CVE-2026-21519

Microsoft Windows Type Confusion Vulnerability

Microsoft Desktop Windows Manager contains a type confusion vulnerability that could allow an authorized attacker to elevate privileges locally. Vendor/Product: Microsoft Windows. Added to CISA KEV 2026-02-10; required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Category: Vulnerability, Known Exploited