cvedb.io
CVE-2026-40402
CRITICAL · CVSS 9.3
EPSS exploitation probability: 0%
Published 2026-05-12T18:17:18.000 · Last modified 2026-06-17T10:45:15.210

Summary

Use after free in Windows Hyper-V allows an unauthorized attacker to elevate privileges locally.

Affected products

microsoft — windows_11_23h2

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.