Medium severity5.5NVD Advisory· Published Sep 8, 2026· Updated Sep 8, 2026
CVE-2026-81400
CVE-2026-81400
Description
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Affected products
1Patches
Vulnerability mechanics
References
1News mentions
1- Massive Microsoft Patch Tuesday September 2026 – 973 Vulnerabilities Fixed, Including 2 Zero-DaysCyber Security News · Sep 8, 2026