CVE-2025-21333 - Microsoft Windows Hyper-V NT Kernel Integration VSP Heap-based Buffer Overflow Vulnerability
CVE-2025-21333
Microsoft | Windows
- Date Added:
- 2025-01-14
- Due Date:
- 2025-02-04
- Vulnerability Name
Microsoft Windows Hyper-V NT Kernel Integration VSP Heap-based Buffer Overflow Vulnerability
- Description
Microsoft Windows Hyper-V NT Kernel Integration VSP contains a heap-based buffer overflow vulnerability that allows a local attacker to gain SYSTEM privileges.
- Known To Be Used in Ransomware Campaigns?
Unknown
- Action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Additional Notes
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-21333 ; https://nvd.nist.gov/vuln/detail/CVE-2025-21333
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