AEGLIX vulnerability intelligence
CVE-2025-21333
HIGH · CVSS 7.8 · Analyzed
Published: 2025-01-14 · Updated: 2026-06-17 · Source: NVD
Vulnerability overview
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
Severity and scoring
- CVSS score
- 7.8 · HIGH
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-122, NVD-CWE-noinfo
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Microsoft · Windows
- Added to catalog
- 2025-01-14
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- CISA remediation due date
- 2025-02-04
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*
Before (exclusive): 10.0.19044.5371
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*
Before (exclusive): 10.0.19045.5371
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.22621.4751
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.22631.4751
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.26100.2894
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:x64:*
Before (exclusive): 10.0.25398.1369
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*
Before (exclusive): 10.0.26100.2894
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21333
Patch · Vendor Advisory
- https://www.exploit-db.com/exploits/52436
Exploit · Third Party Advisory · VDB Entry
- https://www.vicarius.io/vsociety/posts/cve-2025-21333-elevated-privilege-exposure-in-windows-hyper-v-by-microsoft-detection-script
Mitigation · Third Party Advisory
- https://www.vicarius.io/vsociety/posts/cve-2025-21333-elevated-privilege-exposure-in-windows-hyper-v-by-microsoft-mitigation-script
Mitigation · Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21333
US Government Resource