CVE-2026-45657
critical · 9.8Use after free in Windows Kernel allows an unauthorized attacker to execute code over a network.
9.8
CVSS
15.5%
EPSS (exploit prob.)
97th
EPSS percentile
2026-06-09
Published
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-122CWE-416
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| microsoft | windows_11_23h2 | < 10.0.22631.7219 |
| microsoft | windows_11_23h2 | < 10.0.22631.7219 |
| microsoft | windows_11_24h2 | < 10.0.26100.8655 |
| microsoft | windows_11_24h2 | < 10.0.26100.8655 |
| microsoft | windows_11_25h2 | < 10.0.26200.8655 |
| microsoft | windows_11_25h2 | < 10.0.26200.8655 |
| microsoft | windows_11_26h1 | < 10.0.28000.2269 |
| microsoft | windows_11_26h1 | < 10.0.28000.2269 |
| microsoft | windows_server_2022 | < 10.0.20348.5256 |
| microsoft | windows_server_2025 | < 10.0.26100.32995 |
Check a specific version with /api/v1/cve/match.
References
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2026-45657