Threat intelligence report · CISA KEV

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. 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.

· high severity · unattributed attribution

Evidence and provenance

Original source
CISA KEV report ↗
Published
2026-02-10T00:00:00Z
Confidence basis
No actor match
Record ID
b8d510ab50b9fd7422ff

Vulnerabilities

CVE-2026-21519

Use and citation

Verify the original report before making operational decisions. Cite this permanent page together with the original source, publication date, confidence level, and review status.