CVE-2026-21243 Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability

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CVE-2026-21243

CVE-2026-21243 concerns a null pointer dereference in Windows LDAP (LDAP service), enabling a network-auth independent attacker to cause denial of service. The CVSSv3.1 base score is 7.5 (Attack Vector: Network, Attack Complexity: Low, Privileges Required: None, User Interaction: None, Impact: Av...

CVE-2026-21243

creationtimestamp| type| source ---|---|--- 2026-02-10 17:30:28+00:00| seen| https://www.thezdi.com/blog/2026/2/10/the-february-2026-security-update-review 2026-02-10 18:01:45+00:00| seen| https://advisories.ncsc.nl/advisory?id=NCSC-2026-0053...