CVE-2026-96849

Windows Kernel-Mode Drivers Information Disclosure Vulnerability

CVE-2026-96849 is fixed in 2 products on 1 platform, first by KB5127646, released October 13, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

5.5

Important

Exploitation

None reported

Exploitation Less Likely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0039

33rd percentile

<p>Use of uninitialized resource in Windows Kernel-Mode Drivers allows an authorized attacker to disclose information locally.</p>

Where it's fixed

Product	Fixed in	Fix	Released
Microsoft
Windows 11 Version 26H1 for ARM64-based Systems	28000.3231	KB5127646	Oct 13, 2026
Windows 11 version 26H1 for x64-based Systems	28000.3231	KB5127646	Oct 13, 2026

Details

Published
October 13, 2026
Weakness
Use of Uninitialized Resource
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96849

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