rainbutterfly/cve_corpus huggingface dataset:
CVE-2026-21237 Windows Subsystem for Linux Elevation of Privilege Vulnerability
Problem types: cwe_id: CWE-362
description: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
cwe_id: CWE-416
description: CWE-416: Use After Free
Affected products: vendor: Microsoft
product: Windows 10 Version 21H2
vendor: Microsoft
product: Windows 10 Version 22H2
vendor: Microsoft
product: Windows 11 version 22H3
vendor: Microsoft
product: Windows 11 Version 23H2
vendor: Microsoft
product: Windows 11 Version 24H2
vendor: Microsoft
product: Windows 11 Version 25H2
vendor: Microsoft
product: Windows 11 version 26H1
vendor: Microsoft
product: Windows 11 Version 26H1
vendor: Microsoft
product: Windows Server 2022
vendor: Microsoft
product: Windows Server 2022, 23H2 Edition (Server Core installation)
vendor: Microsoft
product: Windows Server 2025
vendor: Microsoft
product: Windows Server 2025 (Server Core installation)
CVSS v3.1: version: 3.1
baseSeverity: HIGH
baseScore: 7
vectorString: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Published: 2026-02-10T17:51:47.120Z
CVE-2026-21238 Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Problem types: cwe_id: CWE-284
description: CWE-284: Improper Access Control
Affected products: vendor: Microsoft
product: Windows 10 Version 1607
vendor: Microsoft
product: Windows 10 Version 1809
vendor: Microsoft
product: Windows 10 Version 21H2
vendor: Microsoft
product: Windows 10 Version 22H2
vendor: Microsoft
product: Windows 11 version 22H3
vendor: Microsoft
product: Windows 11 Version 23H2
vendor: Microsoft
product: Windows 11 Version 24H2
vendor: Microsoft
product: Windows 11 Version 25H2
vendor: Microsoft
product: Windows 11 version 26H1
vendor: Microsoft
product: Windows 11 Version 26H1
vendor: Microsoft
product: Windows Server 2012
vendor: Microsoft
product: Windows Server 2012 (Server Core installation)
vendor: Microsoft
product: Windows Server 2012 R2
vendor: Microsoft
product: Windows Server 2012 R2 (Server Core installation)
vendor: Microsoft
product: Windows Server 2016
vendor: Microsoft
product: Windows Server 2016 (Server Core installation)
vendor: Microsoft
product: Windows Server 2019
vendor: Microsoft
product: Windows Server 2019 (Server Core installation)
vendor: Microsoft
product: Windows Server 2022
vendor: Microsoft
product: Windows Server 2022, 23H2 Edition (Server Core installation)
vendor: Microsoft
product: Windows Server 2025
vendor: Microsoft
product: Windows Server 2025 (Server Core installation)
CVSS v3.1: version: 3.1
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Published: 2026-02-10T17:51:46.513Z
CVE-2026-21239 Windows Kernel Elevation of Privilege Vulnerability
Problem types: cwe_id: CWE-122
description: CWE-122: Heap-based Buffer Overflow
Affected products: vendor: Microsoft
product: Windows 10 Version 1607
vendor: Microsoft
product: Windows 10 Version 1809
vendor: Microsoft
product: Windows 10 Version 21H2
vendor: Microsoft
product: Windows 10 Version 22H2
vendor: Microsoft
product: Windows 11 version 22H3
vendor: Microsoft
product: Windows 11 Version 23H2
vendor: Microsoft
product: Windows 11 Version 24H2
vendor: Microsoft
product: Windows 11 Version 25H2
vendor: Microsoft
product: Windows Server 2012
vendor: Microsoft
product: Windows Server 2012 (Server Core installation)
vendor: Microsoft
product: Windows Server 2012 R2
vendor: Microsoft
product: Windows Server 2012 R2 (Server Core installation)
vendor: Microsoft
product: Windows Server 2016
vendor: Microsoft
product: Windows Server 2016 (Server Core installation)
vendor: Microsoft
product: Windows Server 2019
vendor: Microsoft
product: Windows Server 2019 (Server Core installation)
vendor: Microsoft
product: Windows Server 2022
vendor: Microsoft
product: Windows Server 2022, 23H2 Edition (Server Core installation)
vendor: Microsoft
product: Windows Server 2025
vendor: Microsoft
product: Windows Server 2025 (Server Core installation)
CVSS v3.1: version: 3.1
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Published: 2026-02-10T17:51:45.888Z
CVE-2026-21240 Windows HTTP.sys Elevation of Privilege Vulnerability
Problem types: cwe_id: CWE-367
description: CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
Affected products: vendor: Microsoft
product: Windows 10 Version 1809
vendor: Microsoft
product: Windows 10 Version 21H2
vendor: Microsoft
product: Windows 10 Version 22H2
vendor: Microsoft
product: Windows 11 version 22H3
vendor: Microsoft
product: Windows 11 Version 23H2
vendor: Microsoft
product: Windows 11 Version 24H2
vendor: Microsoft
product: Windows 11 Version 25H2
vendor: Microsoft
product: Windows 11 version 26H1
vendor: Microsoft
product: Windows 11 Version 26H1
vendor: Microsoft
product: Windows Server 2019
vendor: Microsoft
product: Windows Server 2019 (Server Core installation)
vendor: Microsoft
product: Windows Server 2022
vendor: Microsoft
product: Windows Server 2022, 23H2 Edition (Server Core installation)
vendor: Microsoft
product: Windows Server 2025
vendor: Microsoft
product: Windows Server 2025 (Server Core installation)
CVSS v3.1: version: 3.1
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Published: 2026-02-10T17:51:44.627Z
CVE-2026-21241 Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Problem types: cwe_id: CWE-416
description: CWE-416: Use After Free
Affected products: vendor: Microsoft
product: Windows 11 version 22H3
vendor: Microsoft
product: Windows 11 Version 23H2
vendor: Microsoft
product: Windows 11 Version 24H2
vendor: Microsoft
product: Windows 11 Version 25H2
vendor: Microsoft
product: Windows 11 version 26H1
vendor: Microsoft
product: Windows 11 Version 26H1
vendor: Microsoft
product: Windows Server 2022
vendor: Microsoft
product: Windows Server 2022, 23H2 Edition (Server Core installation)
vendor: Microsoft
product: Windows Server 2025
vendor: Microsoft
product: Windows Server 2025 (Server Core installation)
CVSS v3.1: version: 3.1
baseSeverity: HIGH
baseScore: 7
vectorString: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Published: 2026-02-10T17:51:45.304Z
CVE-2026-21242 Windows Subsystem for Linux Elevation of Privilege Vulnerability
Problem types: cwe_id: CWE-416
description: CWE-416: Use After Free
Affected products: vendor: Microsoft
product: Windows 10 Version 21H2
vendor: Microsoft
product: Windows 10 Version 22H2
vendor: Microsoft
product: Windows 11 version 22H3
vendor: Microsoft
product: Windows 11 Version 23H2
vendor: Microsoft
product: Windows 11 Version 24H2
vendor: Microsoft
product: Windows 11 Version 25H2
vendor: Microsoft
product: Windows 11 version 26H1
vendor: Microsoft
product: Windows 11 Version 26H1
vendor: Microsoft
product: Windows Server 2022
vendor: Microsoft
product: Windows Server 2022, 23H2 Edition (Server Core installation)
vendor: Microsoft
product: Windows Server 2025
vendor: Microsoft
product: Windows Server 2025 (Server Core installation)
CVSS v3.1: version: 3.1
baseSeverity: HIGH
baseScore: 7
vectorString: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Published: 2026-02-10T17:51:21.565Z
CVE-2026-21243 Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability
Problem types: cwe_id: CWE-476
description: CWE-476: NULL Pointer Dereference
Affected products: vendor: Microsoft
product: Windows Server 2019
vendor: Microsoft
product: Windows Server 2019 (Server Core installation)
vendor: Microsoft
product: Windows Server 2022
vendor: Microsoft
product: Windows Server 2022, 23H2 Edition (Server Core installation)
vendor: Microsoft
product: Windows Server 2025
vendor: Microsoft
product: Windows Server 2025 (Server Core installation)
CVSS v3.1: version: 3.1
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
Published: 2026-02-10T17:51:43.963Z
CVE-2026-21244 Windows Hyper-V Remote Code Execution Vulnerability
Problem types: cwe_id: CWE-122
description: CWE-122: Heap-based Buffer Overflow
Affected products: vendor: Microsoft
product: Windows 10 Version 1607
vendor: Microsoft
product: Windows 10 Version 1809
vendor: Microsoft
product: Windows 10 Version 21H2
vendor: Microsoft
product: Windows 10 Version 22H2
vendor: Microsoft
product: Windows 11 version 22H3
vendor: Microsoft
product: Windows 11 Version 23H2
vendor: Microsoft
product: Windows 11 Version 24H2
vendor: Microsoft
product: Windows 11 Version 25H2
vendor: Microsoft
product: Windows 11 version 26H1
vendor: Microsoft
product: Windows 11 Version 26H1
vendor: Microsoft
product: Windows Server 2016
vendor: Microsoft
product: Windows Server 2016 (Server Core installation)
vendor: Microsoft
product: Windows Server 2019
vendor: Microsoft
product: Windows Server 2019 (Server Core installation)
vendor: Microsoft
product: Windows Server 2022
vendor: Microsoft
product: Windows Server 2022, 23H2 Edition (Server Core installation)
vendor: Microsoft
product: Windows Server 2025
vendor: Microsoft
product: Windows Server 2025 (Server Core installation)
CVSS v3.1: version: 3.1
baseSeverity: HIGH
baseScore: 7.3
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Published: 2026-02-10T17:51:43.396Z
CVE-2026-21245 Windows Kernel Elevation of Privilege Vulnerability
Problem types: cwe_id: CWE-122
description: CWE-122: Heap-based Buffer Overflow
Affected products: vendor: Microsoft
product: Windows 11 Version 24H2
vendor: Microsoft
product: Windows 11 Version 25H2
vendor: Microsoft
product: Windows 11 version 26H1
vendor: Microsoft
product: Windows 11 Version 26H1
vendor: Microsoft
product: Windows Server 2025
vendor: Microsoft
product: Windows Server 2025 (Server Core installation)
CVSS v3.1: version: 3.1
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Published: 2026-02-10T17:51:42.716Z
CVE-2026-21246 Windows Graphics Component Elevation of Privilege Vulnerability
Problem types: cwe_id: CWE-122
description: CWE-122: Heap-based Buffer Overflow
Affected products: vendor: Microsoft
product: Windows 10 Version 1607
vendor: Microsoft
product: Windows 10 Version 1809
vendor: Microsoft
product: Windows 10 Version 21H2
vendor: Microsoft
product: Windows 10 Version 22H2
vendor: Microsoft
product: Windows 11 version 22H3
vendor: Microsoft
product: Windows 11 Version 23H2
vendor: Microsoft
product: Windows 11 Version 24H2
vendor: Microsoft
product: Windows 11 Version 25H2
vendor: Microsoft
product: Windows Server 2012
vendor: Microsoft
product: Windows Server 2012 (Server Core installation)
vendor: Microsoft
product: Windows Server 2012 R2
vendor: Microsoft
product: Windows Server 2012 R2 (Server Core installation)
vendor: Microsoft
product: Windows Server 2016
vendor: Microsoft
product: Windows Server 2016 (Server Core installation)
vendor: Microsoft
product: Windows Server 2019
vendor: Microsoft
product: Windows Server 2019 (Server Core installation)
vendor: Microsoft
product: Windows Server 2022
vendor: Microsoft
product: Windows Server 2022, 23H2 Edition (Server Core installation)
vendor: Microsoft
product: Windows Server 2025
vendor: Microsoft
product: Windows Server 2025 (Server Core installation)
CVSS v3.1: version: 3.1
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Published: 2026-02-10T17:51:20.911Z
CVE-2026-21247 Windows Hyper-V Remote Code Execution Vulnerability
Problem types: cwe_id: CWE-20
description: CWE-20: Improper Input Validation
cwe_id: CWE-122
description: CWE-122: Heap-based Buffer Overflow
cwe_id: CWE-125
description: CWE-125: Out-of-bounds Read
Affected products: vendor: Microsoft
product: Windows 10 Version 1607
vendor: Microsoft
product: Windows 10 Version 1809
vendor: Microsoft
product: Windows 10 Version 21H2
vendor: Microsoft
product: Windows 10 Version 22H2
vendor: Microsoft
product: Windows 11 version 22H3
vendor: Microsoft
product: Windows 11 Version 23H2
vendor: Microsoft
product: Windows 11 Version 24H2
vendor: Microsoft
product: Windows 11 Version 25H2
vendor: Microsoft
product: Windows 11 version 26H1
vendor: Microsoft
product: Windows 11 Version 26H1
vendor: Microsoft
product: Windows Server 2016
vendor: Microsoft
product: Windows Server 2016 (Server Core installation)
vendor: Microsoft
product: Windows Server 2019
vendor: Microsoft
product: Windows Server 2019 (Server Core installation)
vendor: Microsoft
product: Windows Server 2022
vendor: Microsoft
product: Windows Server 2022, 23H2 Edition (Server Core installation)
vendor: Microsoft
product: Windows Server 2025
vendor: Microsoft
product: Windows Server 2025 (Server Core installation)
CVSS v3.1: version: 3.1
baseSeverity: HIGH
baseScore: 7.3
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Published: 2026-02-10T17:51:20.245Z
CVE-2026-21248 Windows Hyper-V Remote Code Execution Vulnerability
Problem types: cwe_id: CWE-122
description: CWE-122: Heap-based Buffer Overflow
Affected products: vendor: Microsoft
product: Windows 10 Version 1607
vendor: Microsoft
product: Windows 10 Version 1809
vendor: Microsoft
product: Windows 10 Version 21H2
vendor: Microsoft
product: Windows 10 Version 22H2
vendor: Microsoft
product: Windows 11 version 22H3
vendor: Microsoft
product: Windows 11 Version 23H2
vendor: Microsoft
product: Windows 11 Version 24H2
vendor: Microsoft
product: Windows 11 Version 25H2
vendor: Microsoft
product: Windows 11 version 26H1
vendor: Microsoft
product: Windows 11 Version 26H1
vendor: Microsoft
product: Windows Server 2016
vendor: Microsoft
product: Windows Server 2016 (Server Core installation)
vendor: Microsoft
product: Windows Server 2019
vendor: Microsoft
product: Windows Server 2019 (Server Core installation)
vendor: Microsoft
product: Windows Server 2022
vendor: Microsoft
product: Windows Server 2022, 23H2 Edition (Server Core installation)
vendor: Microsoft
product: Windows Server 2025
vendor: Microsoft
product: Windows Server 2025 (Server Core installation)
CVSS v3.1: version: 3.1
baseSeverity: HIGH
baseScore: 7.3
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Published: 2026-02-10T17:51:19.526Z
CVE-2026-21249 Windows NTLM Spoofing Vulnerability
Problem types: cwe_id: CWE-73
description: CWE-73: External Control of File Name or Path
Affected products: vendor: Microsoft
product: Windows 10 Version 1607
vendor: Microsoft
product: Windows 10 Version 1809
vendor: Microsoft
product: Windows 10 Version 21H2
vendor: Microsoft
product: Windows 10 Version 22H2
vendor: Microsoft
product: Windows 11 version 22H3
vendor: Microsoft
product: Windows 11 Version 23H2
vendor: Microsoft
product: Windows 11 Version 24H2
vendor: Microsoft
product: Windows 11 Version 25H2
vendor: Microsoft
product: Windows 11 version 26H1
vendor: Microsoft
product: Windows 11 Version 26H1
vendor: Microsoft
product: Windows Server 2012 R2
vendor: Microsoft
product: Windows Server 2012 R2 (Server Core installation)
vendor: Microsoft
product: Windows Server 2016
vendor: Microsoft
product: Windows Server 2016 (Server Core installation)
vendor: Microsoft
product: Windows Server 2019
vendor: Microsoft
product: Windows Server 2019 (Server Core installation)
vendor: Microsoft
product: Windows Server 2022
vendor: Microsoft
product: Windows Server 2022, 23H2 Edition (Server Core installation)
vendor: Microsoft
product: Windows Server 2025
vendor: Microsoft
product: Windows Server 2025 (Server Core installation)
CVSS v3.1: version: 3.1
baseSeverity: LOW
baseScore: 3.3
vectorString: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C
Published: 2026-02-10T17:51:42.124Z
CVE-2026-21250 Windows HTTP.sys Elevation of Privilege Vulnerability
Problem types: cwe_id: CWE-822
description: CWE-822: Untrusted Pointer Dereference
Affected products: vendor: Microsoft
product: Windows 11 Version 24H2
vendor: Microsoft
product: Windows 11 Version 25H2
vendor: Microsoft
product: Windows 11 version 26H1
vendor: Microsoft
product: Windows 11 Version 26H1
vendor: Microsoft
product: Windows Server 2022, 23H2 Edition (Server Core installation)
vendor: Microsoft
product: Windows Server 2025
vendor: Microsoft
product: Windows Server 2025 (Server Core installation)
CVSS v3.1: version: 3.1
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Published: 2026-02-10T17:51:41.521Z
CVE-2026-21251 Cluster Client Failover (CCF) Elevation of Privilege Vulnerability
Problem types: cwe_id: CWE-416
description: CWE-416: Use After Free
Affected products: vendor: Microsoft
product: Windows Server 2016
vendor: Microsoft
product: Windows Server 2016 (Server Core installation)
vendor: Microsoft
product: Windows Server 2019
vendor: Microsoft
product: Windows Server 2019 (Server Core installation)
vendor: Microsoft
product: Windows Server 2022
vendor: Microsoft
product: Windows Server 2022, 23H2 Edition (Server Core installation)
vendor: Microsoft
product: Windows Server 2025
vendor: Microsoft
product: Windows Server 2025 (Server Core installation)
CVSS v3.1: version: 3.1
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Published: 2026-02-10T17:51:40.939Z
CVE-2026-21253 Mailslot File System Elevation of Privilege Vulnerability
Problem types: cwe_id: CWE-416
description: CWE-416: Use After Free
Affected products: vendor: Microsoft
product: Windows 10 Version 1607
vendor: Microsoft
product: Windows 10 Version 1809
vendor: Microsoft
product: Windows 10 Version 21H2
vendor: Microsoft
product: Windows 10 Version 22H2
vendor: Microsoft
product: Windows 11 version 22H3
vendor: Microsoft
product: Windows 11 Version 23H2
vendor: Microsoft
product: Windows 11 Version 24H2
vendor: Microsoft
product: Windows 11 Version 25H2
vendor: Microsoft
product: Windows 11 version 26H1
vendor: Microsoft
product: Windows 11 Version 26H1
vendor: Microsoft
product: Windows Server 2012
vendor: Microsoft
product: Windows Server 2012 (Server Core installation)
vendor: Microsoft
product: Windows Server 2012 R2
vendor: Microsoft
product: Windows Server 2012 R2 (Server Core installation)
vendor: Microsoft
product: Windows Server 2016
vendor: Microsoft
product: Windows Server 2016 (Server Core installation)
vendor: Microsoft
product: Windows Server 2019
vendor: Microsoft
product: Windows Server 2019 (Server Core installation)
vendor: Microsoft
product: Windows Server 2022
vendor: Microsoft
product: Windows Server 2022, 23H2 Edition (Server Core installation)
vendor: Microsoft
product: Windows Server 2025
vendor: Microsoft
product: Windows Server 2025 (Server Core installation)
CVSS v3.1: version: 3.1
baseSeverity: HIGH
baseScore: 7
vectorString: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Published: 2026-02-10T17:51:39.411Z
CVE-2026-21255 Windows Hyper-V Security Feature Bypass Vulnerability
Problem types: cwe_id: CWE-284
description: CWE-284: Improper Access Control
Affected products: vendor: Microsoft
product: Windows 10 Version 1607
vendor: Microsoft
product: Windows 10 Version 1809
vendor: Microsoft
product: Windows 10 Version 21H2
vendor: Microsoft
product: Windows 10 Version 22H2
vendor: Microsoft
product: Windows 11 version 22H3
vendor: Microsoft
product: Windows 11 Version 23H2
vendor: Microsoft
product: Windows 11 Version 24H2
vendor: Microsoft
product: Windows 11 Version 25H2
vendor: Microsoft
product: Windows 11 version 26H1
vendor: Microsoft
product: Windows 11 Version 26H1
vendor: Microsoft
product: Windows Server 2016
vendor: Microsoft
product: Windows Server 2016 (Server Core installation)
vendor: Microsoft
product: Windows Server 2019
vendor: Microsoft
product: Windows Server 2019 (Server Core installation)
vendor: Microsoft
product: Windows Server 2022
vendor: Microsoft
product: Windows Server 2022, 23H2 Edition (Server Core installation)
vendor: Microsoft
product: Windows Server 2025
vendor: Microsoft
product: Windows Server 2025 (Server Core installation)
CVSS v3.1: version: 3.1
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
Published: 2026-02-10T17:51:38.926Z
CVE-2026-21256 GitHub Copilot and Visual Studio Remote Code Execution Vulnerability
Problem types: cwe_id: CWE-77
description: CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')
cwe_id: CWE-94
description: CWE-94: Improper Control of Generation of Code ('Code Injection')
Affected products: vendor: Microsoft
product: Microsoft Visual Studio 2022 version 17.14
vendor: Microsoft
product: Microsoft Visual Studio 2026 version 18.3
CVSS v3.1: version: 3.1
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Published: 2026-02-10T17:51:38.364Z
CVE-2026-21257 GitHub Copilot and Visual Studio Elevation of Privilege Vulnerability
Problem types: cwe_id: CWE-77
description: CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')
Affected products: vendor: Microsoft
product: Microsoft Visual Studio 2022 version 17.14
vendor: Microsoft
product: Microsoft Visual Studio 2026 version 18.3
CVSS v3.1: version: 3.1
baseSeverity: HIGH
baseScore: 8
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Published: 2026-02-10T17:51:37.741Z
CVE-2026-21258 Microsoft Excel Information Disclosure Vulnerability
Problem types: cwe_id: CWE-20
description: CWE-20: Improper Input Validation
cwe_id: CWE-125
description: CWE-125: Out-of-bounds Read
Affected products: vendor: Microsoft
product: Microsoft 365 Apps for Enterprise
vendor: Microsoft
product: Microsoft Excel 2016
vendor: Microsoft
product: Microsoft Office 2019
vendor: Microsoft
product: Microsoft Office LTSC 2021
vendor: Microsoft
product: Microsoft Office LTSC 2024
vendor: Microsoft
product: Microsoft Office LTSC for Mac 2021
vendor: Microsoft
product: Microsoft Office LTSC for Mac 2024
vendor: Microsoft
product: Office Online Server
CVSS v3.1: version: 3.1
baseSeverity: MEDIUM
baseScore: 5.5
vectorString: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Published: 2026-02-10T17:51:18.057Z
CVE-2026-21259 Microsoft Excel Elevation of Privilege Vulnerability
Problem types: cwe_id: CWE-122
description: CWE-122: Heap-based Buffer Overflow
Affected products: vendor: Microsoft
product: Microsoft 365 Apps for Enterprise
vendor: Microsoft
product: Microsoft Excel 2016
vendor: Microsoft
product: Microsoft Office 2019
vendor: Microsoft
product: Microsoft Office LTSC 2021
vendor: Microsoft
product: Microsoft Office LTSC 2024
vendor: Microsoft
product: Office Online Server
CVSS v3.1: version: 3.1
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Published: 2026-02-10T17:51:17.445Z
CVE-2026-21260 Microsoft Outlook Spoofing Vulnerability
Problem types: cwe_id: CWE-200
description: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
Affected products: vendor: Microsoft
product: Microsoft 365 Apps for Enterprise
vendor: Microsoft
product: Microsoft Office 2019
vendor: Microsoft
product: Microsoft Office LTSC 2021
vendor: Microsoft
product: Microsoft Office LTSC 2024
vendor: Microsoft
product: Microsoft Outlook 2016
vendor: Microsoft
product: Microsoft SharePoint Enterprise Server 2016
vendor: Microsoft
product: Microsoft SharePoint Server 2019
vendor: Microsoft
product: Microsoft SharePoint Server Subscription Edition
CVSS v3.1: version: 3.1
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Published: 2026-02-10T17:51:18.891Z