Quick answers
- Is CVE-2026-113864 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-113864 being exploited in the wild.
- How severe is CVE-2026-113864?
- Medium severity, with a CVSS score of 6.4, published 10 November 2026.
- Which products and versions are affected?
- Microsoft Windows Hyper-V.
- Is there a fix for CVE-2026-113864?
- 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-2026-113864 attacked?
- It is attacked with local access, in an operating system.
- Am I affected by CVE-2026-113864?
- 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 in Windows Hyper-V allows an authenticated local attacker to elevate privileges. The vulnerability requires the attacker to already have local access to the system. Exploitation could lead to complete system compromise with SYSTEM-level privileges.
Affected products
- Microsoft Windows Hyper-V
Timeline
- 2026-11-10: disclosed