HIGHCVSS 7.8
CVE-2026-64909
CVE-2026-64909 updated by NVD
Summary
Integer underflow (wrap or wraparound) in Microsoft Office allows an unauthorized attacker to execute code locally.
References
Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.
CVE® is a registered trademark of The MITRE Corporation. CVE content reproduced under the CVE Terms of Use; copyright designation © MITRE.