Numeric Truncation Error in Microsoft Windows and Windows Server - CVE-2026-119875

 

Numeric Truncation Error in Microsoft Windows and Windows Server - CVE-2026-119875

Published: November 11, 2026


Vulnerability identifier: #VU165308
CSH Severity: Low
CVSS v4: 4.1 [CVSS:4.0/AV:P/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-119875
CWE-ID: CWE-197
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a user with physical access to system to disclose certain kernel memory content.

The vulnerability exists due to a numeric truncation error in Windows Storport Miniport Driver when processing numeric values. A user with physical access to system can exploit this error through a physical attack to disclose certain kernel memory content.

Successful exploitation requires an administrator to have enabled a specific non-default storage platform feature. This configuration cannot be enabled by an ordinary user and is outside the user's control.


Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2026-119875

Install security update from vendor's website.

Microsoft Windows - addressed in versions 11 23H2 10.0.22631.7711, 11 24H2 10.0.26100.9911, 11 24H2 10.0.26100.9974, 11 25H2 10.0.26200.9911, 11 25H2 10.0.26200.9974, 11 26H1 10.0.28000.3501
Windows Server - addressed in versions 2025 10.0.26100.33730, 2025 10.0.26100.33822

External References

Related Security Bulletins