Integer overflow in Microsoft Windows and Windows Server - CVE-2026-50310

 

Integer overflow in Microsoft Windows and Windows Server - CVE-2026-50310

Published: July 17, 2026


Vulnerability identifier: #VU138014
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-50310
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to disclose sensitive information.

The vulnerability exists due to integer overflow or wraparound in Windows Devices Human Interface when processing crafted input locally. A local user can trigger the flaw to disclose sensitive information.

Successful exploitation requires additional actions to prepare the target environment and may disclose kernel memory addresses.


Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2026-50310

Install security update from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.7548, 10 22H2 10.0.19045.7548, 10 1809 10.0.17763.9020, 11 24H2 10.0.26100.8875, 11 25H2 10.0.26200.8875, 11 26H1 10.0.28000.2269, 11 26H1 10.0.28000.2525
Windows Server - addressed in versions 2012 R2 6.3.9600.23291, 2019 10.0.17763.9020, 2022 10.0.20348.5386, 2025 10.0.26100.33158

External References

Related Security Bulletins