Buffer over-read in Microsoft Windows and Windows Server - CVE-2026-96848

 

Buffer over-read in Microsoft Windows and Windows Server - CVE-2026-96848

Published: October 14, 2026


Vulnerability identifier: #VU155481
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-96848
CWE-ID: CWE-126
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to disclose certain kernel memory content.

The vulnerability exists due to a buffer over-read in the Windows Win32 Kernel Subsystem when accessing kernel memory locally. A local user can trigger the buffer over-read to disclose certain kernel memory content.


Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2026-96848

Install security update from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.7807, 10 1809 10.0.17763.9376, 11 23H2 10.0.22631.7652
Windows Server - addressed in versions 2019 10.0.17763.9376, 2022 10.0.20348.5761, 2025 10.0.26100.33650

External References

Related Security Bulletins