Back to Database
Status published
High
CVE-2025-54903
Microsoft Excel Remote Code Execution Vulnerability
Vulnerability Description
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-54903
Credits & Attribution
No credits recorded in the NVD database.
More from Microsoft
View All →CVE-2025-9611
Microsoft Playwright MCP Server < 0.0.40 DNS Rebinding via Missing Origin Header Validation
High
7.2
CVE-2025-9491
Microsoft Windows LNK File UI Misrepresentation Remote Code Execution Vulnerability
High
7
CVE-2025-7326
EOL ASP.NET Core Elevation of Privilege Vulnerability
High
7
CVE-2025-65046
Microsoft Edge (Chromium-based) Spoofing Vulnerability
Low
3.1
CVE-2025-65041
Microsoft Partner Center Elevation of Privilege Vulnerability
Critical
10
Affected Vendor
Microsoft
View all reports →Affected Software
Microsoft 365 Apps for Enterprise, Microsoft Excel 2016, Microsoft Office 2019, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Office Online Server
Vulnerable Versions:
16.0.1, 16.0.0.0, 19.0.0, 16.0.0
Timeline
Official Publish:
September 9th, 2025
Last Modified:
February 20th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
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