Heap-based buffer overflow in Microsoft products - CVE-2025-54910

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Main Vulnerability Database Vulnerabilities #VU115124

Heap-based buffer overflow in Microsoft products - CVE-2025-54910

Published: September 10, 2025


Vulnerability identifier: #VU115124
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-54910
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Office
Microsoft 365 Apps for Enterprise
Microsoft Office LTSC

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Microsoft Office. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2025-54910

Install updates from vendor's website.

Sources