Unrated severityNVD Advisory· Published Oct 14, 2025· Updated Feb 26, 2026
Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-59243
Description
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Affected products
3- Microsoft/Microsoft 365 Apps for Enterprisev5Range: 16.0.1
- Microsoft/Microsoft Office LTSC 2021v5Range: 16.0.1
- Microsoft/Microsoft Office LTSC 2024v5Range: 16.0.0
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59243mitrevendor-advisorypatch
News mentions
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