# CVE-2026-112790: Windows Kernel use after free in privileged component

Source: https://junglewise.ai/threats/cve-2026-112790-use-after-free-in-windows-kernel-allows-an-authorized-attacker  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-10. Updated: 2026-11-10  
License: CC BY 4.0 with a link back

CVE-2026-112790 · Severity: high · CVSS 7 · Published 2026-11-10

A use-after-free vulnerability in the Windows Kernel allows an authorized user to elevate their privileges to system level. An attacker with local access to a Windows system could exploit this to gain complete control of the machine.

Technologies: [Microsoft Windows Kernel](https://junglewise.ai/threats/technologies/windows-kernel). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-112790 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-112790 being exploited in the wild.

**How severe is CVE-2026-112790?** High severity, with a CVSS score of 7, published 10 November 2026.

**Which products and versions are affected?** Microsoft Windows Kernel.

**Is there a fix for CVE-2026-112790?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-112790 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2026-112790?** Check whether you run Microsoft Windows Kernel. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A use-after-free memory safety vulnerability exists in the Windows Kernel that can be exploited by an authenticated local attacker to achieve privilege escalation. The vulnerability requires prior local access to the system and does not affect remote attackers without credentials.

## Affected products

- Microsoft Windows Kernel

## Timeline

- 2026-11-10: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-112790](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-112790)

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