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CVE-2026-64903
HIGH
CVSS: 7.8
Published: 2026-08-11
Modified: 2026-08-13
Description
Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to execute code locally.
Affected Platforms
Microsoft Office 2016Microsoft 365 AppsMicrosoft Microsoft 365Microsoft Office 2021Microsoft Office 2024Microsoft Office 2019
Weakness Type
CWE-122, CWE-190