# MA-1244.012025: MyCERT Advisory - High-Severity Vulnerability in TeamViewer Clients

**Date:** 31 Jan 2025  
**Source:** https://www.mycert.org.my/portal/advisory?id=MA-1244.012025  
**Advisory ID:** MA-1244.012025

---

**1.0 Introduction**
Recently, the TeamViewer has released an advisory to address a high-severity vulnerability on TeamViewer Clients for Windows, including TeamViewer Remote and TeamViewer Tensor. 
**2.0 Impact3.0 Affected System**
- TeamViewer Full Clients (Windows) versions prior to 15.62, 14.7.48799, 13.2.36226, 12.0.259319, 11.0.259318
- TeamViewer Host (Windows) versions prior to 15.62, 14.7.48799, 13.2.36226, 12.0.259319, 11.0.259318
**4.0 Recommendations**
Generally, MyCERT advises the users of this devices to be updated with the latest security announcements by the vendor and follow best practice security policies to determine which updates should be applied.
Kindly, refer the following URL for more information: <https://www.teamviewer.com/en-us/resources/trust-center/security-bulletins/tv-2025-1001/>?
For further enquiries, please contact MyCERT through the following channels:
E-mail: cyber999[at]cybersecurity.my
Phone: 1-300-88-2999 (monitored during business hours)
Fax: +603 - 8008 7000 (Office Hours)
Mobile: +60 19 2665850 (24x7 call incident reporting)
Business Hours: Mon - Fri 08:30 -17:30 MYT
Web: [https://www.mycert.org.my](https://www.mycert.org.my/)
**5.0    References**
- <https://www.teamviewer.com/en-us/resources/trust-center/security-bulletins/tv-2025-1001/>?