CVE-2026-96849
Windows Kernel-Mode Drivers Information Disclosure Vulnerability
Microsoft Windows 11 version 26H1Operating systems
CVSS
5.5MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.39%Chance of exploitation activity in the next 30 days, higher than 31% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
- 10.0.28000.3231Windows 11 version 26H1CVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Vendor and government advisories 1
Vendors that say their products are affected, and agencies that issued alerts. Check each for the fixed release of the product you run.
Reports 1
1 outlet mention it. Reports are not confirmation; each links to its source.
Description
Use of uninitialized resource in Windows Kernel-Mode Drivers allows an authorized attacker to disclose information locally.
Text from CVE List
Affected versions 1
- Windows 11 version 26H1affected: 10.0.28000.0 before 10.0.28000.3231CVE List