Out-of-bounds read in Microsoft products - CVE-2025-59232
Published: October 15, 2025
Vulnerability identifier: #VU117241
CSH Severity: Medium
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-59232
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in Microsoft Excel. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger an out-of-bounds read error and read contents of memory on the system or cause a denial of service (DoS) condition.
Affected software
Office Online Server
Microsoft 365 Apps for Enterprise
Microsoft Excel
Microsoft Access
Microsoft Office
Microsoft SharePoint Enterprise Server
Microsoft SharePoint Server
Microsoft Office LTSC
Microsoft 365 Apps for Enterprise
Microsoft Excel
Microsoft Access
Microsoft Office
Microsoft SharePoint Enterprise Server
Microsoft SharePoint Server
Microsoft Office LTSC
How to mitigate CVE-2025-59232
Install updates from vendor's website.