# CVE-2026-122183: Microsoft Windows Kernel out-of-bounds read privilege escalation

Source: https://junglewise.ai/threats/cve-2026-122183-out-of-bounds-read-in-windows-kernel-allows-an-authorized  
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-2026-122183 · Severity: high · CVSS 7.8 · Published 2026-11-10

The Windows Kernel contains an out-of-bounds read vulnerability that allows an authorized local user to escalate their privileges to a higher level of system access. An attacker who exploits this flaw could gain elevated permissions to modify system settings, access sensitive data, or install malware. This vulnerability requires the attacker to already have local access to the system.

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

## Quick answers

**Is CVE-2026-122183 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-122183 being exploited in the wild.

**How severe is CVE-2026-122183?** High severity, with a CVSS score of 7.8, published 10 November 2026.

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

**Is there a fix for CVE-2026-122183?** 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-2026-122183 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2026-122183?** 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

An out-of-bounds read in the Windows Kernel allows a local, authenticated attacker to escalate privileges through memory corruption. The vulnerability requires existing system access but no user interaction, and successful exploitation grants the attacker elevated privileges. Microsoft has released security updates to address this issue.

## Affected products

- Microsoft Windows Kernel

## Timeline

- 2026-11-10: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-122183](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-122183)

## Related threats

- [Microsoft Windows Kernel out-of-bounds read](https://junglewise.ai/threats/cve-2026-96058-out-of-bounds-read-in-windows-kernel-allows-an-unauthorized)
- [Windows Kernel integer underflow privilege elevation](https://junglewise.ai/threats/cve-2026-96052-integer-underflow-wrap-or-wraparound-in-windows-kernel-allows-an)
- [Windows Kernel incorrect authorization privilege escalation](https://junglewise.ai/threats/cve-2026-95988-incorrect-authorization-in-windows-kernel-allows-an-authorized)
- [Windows Kernel race condition privilege elevation](https://junglewise.ai/threats/cve-2026-94514-concurrent-execution-using-shared-resource-with-improper)
- [Windows Kernel integer underflow in privilege escalation](https://junglewise.ai/threats/cve-2026-119935-integer-underflow-wrap-or-wraparound-in-windows-kernel-allows-an)