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CVE-2026-21519 is a high severity vulnerability with a CVSS score of 7.8. Exploits are available; patches have been released and should be applied urgently. This is classified as a zero-day vulnerability.
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Lower probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
| Vendor | Product |
|---|---|
| Microsoft | Windows 10 1607 |
| Microsoft | Windows Server 2019 |
| Microsoft | Windows 10 1809 |
| Microsoft | Windows 10 22h2 |
| Microsoft | Windows Server 2016 |
| Microsoft | Windows Server 2025 |
| Microsoft | Windows Server 2022 23h2 |
| Microsoft | Windows 11 25h2 |
| Microsoft | Windows Server 2022 |
| Microsoft | Windows 11 24h2 |
And 2 more...