IT

Tracker / CVE-2026-21243

CVE-2026-21243

High 7.5

Null pointer dereference in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to deny service over a network.

Affected products and versions

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

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References