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CVE-2026-55948
HIGH
CVSS: 7.8
Published: 2026-07-14
Modified: 2026-07-16
Description
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Affected Platforms
Microsoft 365 AppsMicrosoft Office Online ServerMicrosoft ExcelMicrosoft Microsoft 365Microsoft Office 2021Microsoft Office 2024Microsoft Office 2019