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CVE-2026-55127
HIGH
CVSS: 7.8
Published: 2026-07-14
Modified: 2026-07-16
Description
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Affected Platforms
Microsoft 365 AppsMicrosoft Office Online ServerMicrosoft Sharepoint ServerMicrosoft WordMicrosoft Microsoft 365Microsoft Office 2021Microsoft Office 2024Microsoft Office 2019