Security Advisory

CVE-2026-55039

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-14 17:08:43

Last updated 2026-07-24 19:34:53

Assigner microsoft

CVSS score 7.8

State PUBLISHED

Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.