CVE-2026-119935: Windows Kernel integer underflow in privilege escalation

CVE-2026-119935 · Severity: medium · CVSS 6.8 · Published 2026-11-10

Windows Kernel contains an integer underflow vulnerability that allows an attacker with physical access to a system to escalate their privileges. An attacker exploiting this flaw could gain administrative control of the affected machine, enabling installation of malware, data theft, or system compromise.

Technologies: Microsoft Windows Kernel. Vendors: Microsoft.

Quick answers

Is CVE-2026-119935 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-119935 being exploited in the wild.
How severe is CVE-2026-119935?
Medium severity, with a CVSS score of 6.8, published 10 November 2026.
Which products and versions are affected?
Microsoft Windows Kernel.
Is there a fix for CVE-2026-119935?
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-2026-119935 attacked?
It is attacked with physical access, in an operating system.
Am I affected by CVE-2026-119935?
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 (wrap or wraparound) in the Windows Kernel can be triggered through physical attack vectors. The vulnerability permits privilege escalation, requiring local or physical access to exploit. This allows an attacker to bypass access controls and gain higher privilege levels.

Affected products

  • Microsoft Windows Kernel

Timeline

  • 2026-11-10: disclosed

References

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