CVE-2026-96848 Windows Win32 Kernel Subsystem Information Disclosure Vulnerability
An authorized local attacker can exploit a buffer over-read in the Windows Win32 Kernel Subsystem to disclose sensitive information.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-96848?
CVE-2026-96848 is a medium-severity vulnerability in Microsoft Windows 10 1809, published on 13 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Buffer over-read in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.
Weakness: CWE-126
Which versions are affected by CVE-2026-96848?
It affects 7 products.
Products include Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 23h2, Microsoft Windows Server 2019, Microsoft Windows Server 2022 and 1 more.
How do I fix CVE-2026-96848?
No fix has been published for CVE-2026-96848 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-96848 being exploited?
There is no known exploitation of CVE-2026-96848 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10 1809
- CVE-2024-29988 Microsoft SmartScreen Prompt Security Feature Bypass
- CVE-2024-21412 Microsoft Windows Internet Shortcut Files Security Feature Bypass
- CVE-2025-62221 Microsoft Windows Use After Free
- CVE-2025-30400 Microsoft Windows DWM Core Library Use-After-Free
- CVE-2024-21338 Microsoft Windows Kernel Exposed IOCTL with Insufficient Access Control
Sources
Also known as GHSA-3wf9-2xxc-x6xh.