CVE-2025-21335 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.
Microsoft Windows Hyper-V NT Kernel Integration VSP contains a use-after-free vulnerability that allows a local attacker to gain SYSTEM privileges.
| Vendor | Product |
|---|---|
| Microsoft | Windows 11 24h2 |
| Microsoft | Windows 10 21h2 |
| Microsoft | Windows 10 22h2 |
| Microsoft | Windows 11 22h2 |
| Microsoft | Windows Server 2025 |
| Microsoft | Windows Server 2022 23h2 |
| Microsoft | Windows 11 23h2 |