Question: What is CVE-2025-21156?
Answer: CVE-2025-21156 is a vulnerability classified as high with a CVSS score of 7.8. It falls under CWE-191 and affects the system as follows: InCopy versions 20.0, 19.5.1 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.