CVE-2026-21536 is a vulnerability tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed March 11, 2026; most recent activity March 11, 2026.
On March 10, 2026, Microsoft released its Patch Tuesday updates, fixing 79 vulnerabilities, including two zero-day flaws. The updates address critical vulnerabilities across various products, with one zero-day actively…