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CVE-2026-81949
HIGH
CVSS: 7.8
Published: 2026-09-08
Modified: 2026-09-17
Description
Integer overflow or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Affected Platforms
Microsoft Office 2016Microsoft 365 AppsMicrosoft ExcelMicrosoft Microsoft 365Microsoft Office 2021Microsoft Office 2024Microsoft Office 2019