CVE-2026-21281

Name of the Vulnerable Software and Affected Versions InCopy versions 21.0 and 19.5.5 and earlier

Description InCopy versions 21.0, 19.5.5, and earlier are susceptible to a Heap-based Buffer Overflow that may lead to arbitrary code execution with the privileges of the current user. Successful exploitation requires a user to open a specially crafted malicious file.

Recommendations Update InCopy to a version later than 19.5.5. Update InCopy to a version later than 21.0.