CVE-2026-55134
Microsoft · Published July 14, 2026
7.8
CVSS v3.1
HIGHPatch availableGet patch
Description
Microsoft Word Remote Code Execution Vulnerability. Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Affected Products
- Microsoft Office 365 for Mac
- Microsoft SharePoint Enterprise Server 2016
- Microsoft SharePoint Server 2019
- Microsoft Office 2019 for 32-bit editions
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C