CVE-2025-21333

Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability

CVSS v3.1

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

9.99% chance of exploitation in the next 30 days, 95th percentile

CISA KEV

added 2025-01-14

Published

2025-01-14

Updated

2026-06-09

Proof-of-concept exploits (5)

• MrAle98/CVE-2025-21333-POC233★ · 2025-04-12
• aleongx/KQL_sentinel_CVE-2025-213330★ · 2025-03-11
• nu1lptr0/CVE-2025-21333
• uname1able/CVE-2025-21333
• winmin/awesome-vm-escape

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/52436

References

• CVE Record
• NVD entry

Related

• CVE-2021-31956
• CVE-2024-49138
• CVE-2025-24071
• CVE-2025-29927
• CVE-2023-21768
• CVE-2022-24481