CVE-2026-113753: Microsoft Windows Hyper-V privilege escalation via untrusted pointer dereference

CVE-2026-113753 · Severity: high · CVSS 8.2 · Published 2026-11-10

Windows Hyper-V, which manages virtual machines on enterprise servers, contains a flaw allowing an authenticated attacker to gain elevated system privileges on the host computer. An attacker with local access to a Hyper-V system could exploit this to take complete control of the virtualization infrastructure and all virtual machines it hosts.

Technologies: Microsoft Windows Hyper-V. Vendors: Microsoft.

Quick answers

Is CVE-2026-113753 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-113753 being exploited in the wild.
How severe is CVE-2026-113753?
High severity, with a CVSS score of 8.2, published 10 November 2026.
Which products and versions are affected?
Microsoft Windows Hyper-V.
Is there a fix for CVE-2026-113753?
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-2026-113753 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2026-113753?
Check whether you run Microsoft Windows Hyper-V. 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 untrusted pointer dereference vulnerability in Windows Hyper-V allows privilege escalation when an authorized local attacker triggers unsafe memory access. The vulnerability requires existing local access and authentication to Hyper-V. A successful exploit grants the attacker SYSTEM-level privileges on the host.

Affected products

  • Microsoft Windows Hyper-V

Timeline

  • 2026-11-10: disclosed

References

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