CVE-2026-21519HIGH 7.8CISA KEVEPSS p82.0%

CVE-2026-21519Microsoft Windows Type Confusion Vulnerability

Microsoft / Windows

Description

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

Scoring

CVSS 3.17.8 (HIGH)
VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS2.42% probability of exploitation · percentile 82.0% · 2026-06-18T12:00:27Z
Published2026-02-10
Last modified2026-02-11

CISA KEV entry

Added to KEV: 2026-02-10

Underlying weaknesses· 1

CWE-843

References

  1. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21519
  2. https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21519

1

TypeTargetConfidenceTier
WeaknessAccess of Resource Using Incompatible Type ('Type Confusion')cwe-8430%live

(incoming)1

TypeTargetConfidenceTier
KEVEntryMicrosoft Windows Type Confusion Vulnerabilitykev-cve-2026-215190%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
Microsoft Windows Improper Privilege Management Vulnerability
CVE
CVE-2026-35416
CVE
CVE-2026-45600
CVE
CVE-2026-34345
CVE
CVE-2026-32162
CVE
Microsoft Desktop Window Manager (DWM) Core Library Privilege Escalation Vulnerability
Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.