CVE-2026-55129

Name of the Vulnerable Software and Affected Versions Microsoft Office (affected versions not specified)

Description A heap-based buffer overflow exists in Microsoft Office, which allows an unauthorized attacker to execute code locally. This can occur through the processing of malicious files and content, meaning the system does not need to be directly network-exposed to be compromised.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.