Integer overflow in Microsoft products - CVE-2025-26642
Published: April 8, 2025
Vulnerability identifier: #VU107211
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-26642
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Office Online Server
Microsoft SharePoint Server
Microsoft Office
Microsoft Excel
Microsoft Access
Microsoft 365 Apps for Enterprise
Microsoft Office LTSC
Office Online Server
Microsoft SharePoint Server
Microsoft Office
Microsoft Excel
Microsoft Access
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 integer overflow in Microsoft Office. A remote attacker can trick a victim to download and open a specially crafted file, trigger integer 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-2025-26642
Install updates from vendor's website.