CVE-2026-102214: Windows Hyper-V use-after-free remote code execution

CVE-2026-102214 · Severity: high · CVSS 8.8 · Published 2026-10-13

Windows Hyper-V, Microsoft's virtualization platform used to run virtual machines on enterprise servers, contains a use-after-free memory vulnerability. An authorized attacker with local access to a Hyper-V host can exploit this flaw to execute arbitrary code with elevated privileges, potentially compromising the entire virtualized environment and all guest virtual machines.

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

Quick answers

Is CVE-2026-102214 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-102214 being exploited in the wild.
How severe is CVE-2026-102214?
High severity, with a CVSS score of 8.8, published 13 October 2026.
Which products and versions are affected?
Microsoft Windows Hyper-V.
Is there a fix for CVE-2026-102214?
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-2026-102214 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2026-102214?
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

A use-after-free vulnerability exists in Windows Hyper-V that allows an authenticated local attacker to execute arbitrary code. The flaw requires prior authorization to access the Hyper-V system. Successful exploitation grants the attacker code execution with system-level privileges on the host.

Affected products

  • Microsoft Windows Hyper-V

Timeline

  • 2026-10-13: disclosed

References

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