CVEvulnerability
CVE-2026-21241
7.0 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-02-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.0 HIGH — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-416
Description
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Affected configurations
• microsoft windows 11 23h2 (< 10.0.22631.6649)
• microsoft windows 11 24h2 (< 10.0.26100.7781)
• microsoft windows 11 25h2 (< 10.0.26200.7781)
• microsoft windows server 2022 (< 10.0.20348.4711)
• microsoft windows server 2022 23h2 (< 10.0.25398.2149)
• microsoft windows server 2025 (< 10.0.26100.32313)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness