# 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. - Web page: https://patchblox.com/security/cve/CVE-2026-96849 - Priority: Routine - CVSS: 5.5 (Important) - EPSS: 0.0039 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Vendor exploitability assessment: Exploitation Less Likely - Published: Oct 13, 2026 - Weakness: Use of Uninitialized Resource - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96849 ## Description

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

## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Microsoft | Windows 11 Version 26H1 for ARM64-based Systems | 28000.3231 | [KB5127646](https://patchblox.com/security/data/fix/microsoft/kb5127646.md) | Oct 13, 2026 | | Microsoft | Windows 11 version 26H1 for x64-based Systems | 28000.3231 | [KB5127646](https://patchblox.com/security/data/fix/microsoft/kb5127646.md) | Oct 13, 2026 | --- Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.