CVEvulnerability
CVE-2026-21243
7.5 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-02-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
Description
Null pointer dereference in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to deny service over a network.
Affected configurations
• microsoft windows server 2019 (< 10.0.17763.8389)
• 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-476 NULL Pointer Dereference weakness