CVE-2026-40402
critical · 9.3Use after free in Windows Hyper-V allows an unauthorized attacker to elevate privileges locally.
9.3
CVSS
0.3%
EPSS (exploit prob.)
27th
EPSS percentile
2026-05-12
Published
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weaknesses
CWE-416
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| microsoft | windows_11_23h2 | < 10.0.22631.7079 |
| microsoft | windows_11_23h2 | < 10.0.22631.7079 |
| microsoft | windows_server_2022 | < 10.0.20348.5074 |
Check a specific version with /api/v1/cve/match.
References
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2026-40402