# CVE-2026-96052: Windows Kernel integer underflow privilege elevation

Source: https://junglewise.ai/threats/cve-2026-96052-integer-underflow-wrap-or-wraparound-in-windows-kernel-allows-an  
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-2026-96052 · Severity: high · CVSS 7.8 · Published 2026-11-10

Windows Kernel contains an integer underflow vulnerability that allows an authorized local user to escalate their privileges to system level. An attacker who has already gained limited access to a Windows machine could exploit this flaw to take complete control of the system, enabling them to install malware, steal data, or modify system configurations.

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

## Quick answers

**Is CVE-2026-96052 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-96052 being exploited in the wild.

**How severe is CVE-2026-96052?** 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-2026-96052?** 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-2026-96052 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2026-96052?** 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 integer underflow (wraparound) condition exists in the Windows Kernel that can be exploited by an authenticated local attacker to elevate privileges. The vulnerability requires prior local access and valid user credentials. Successful exploitation grants the attacker system-level (kernel) privileges.

## Affected products

- Microsoft Windows Kernel

## Timeline

- 2026-11-10: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96052](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96052)

## 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 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)
- [Microsoft Windows Kernel out-of-bounds read privilege escalation](https://junglewise.ai/threats/cve-2026-122183-out-of-bounds-read-in-windows-kernel-allows-an-authorized)
- [Windows Kernel integer underflow in privilege escalation](https://junglewise.ai/threats/cve-2026-119935-integer-underflow-wrap-or-wraparound-in-windows-kernel-allows-an)