CVE-2026-64909

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

Description An integer underflow (wrap or wraparound) occurs, which allows an unauthorized attacker to execute arbitrary code locally or remotely, potentially affecting the system. Integer underflow is a condition where a subtraction operation results in a value smaller than the minimum representable value for the data type, causing it to wrap around to a very large positive number.

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