CVE-2026-66807

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

Description A stack-based buffer overflow occurs in Microsoft Office, which could allow an unauthorized attacker to execute arbitrary code on the local system. A stack-based buffer overflow is a condition where a program writes more data to a buffer located on the stack than the buffer is allocated to hold, potentially overwriting adjacent memory.

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