Lyrie
Active Exploitation
ACTIVELY EXPLOITED3 sources verified·1 min read
By Lyrie Threat Intelligence·2/10/2026

CVE-2026-21519 added to CISA KEV: Microsoft Windows

Status: ✅ Confirmed exploited in the wild

Date added: 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.

Due date: 2026-03-03

Why this matters

Microsoft Desktop Windows Manager contains a type confusion vulnerability that could allow an authorized attacker to elevate privileges locally.

Sources

Lyrie Verdict

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