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CVE-2026-21533 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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Moderate 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.
Improper privilege management in Windows Remote Desktop 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 2012 |
| Microsoft | Windows Server 2025 |
| Microsoft | Windows Server 2022 23h2 |
| Microsoft | Windows 11 25h2 |
| Microsoft | Windows Server 2022 |
And 3 more...