Security Advisory

CVE-2026-20957

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-01-13 17:57:09

Last updated 2026-07-30 20:47:27

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.