AEGLIX vulnerability intelligence
CVE-2024-21338
HIGH · CVSS 7.8 · Analyzed
Published: 2024-02-13 · Updated: 2026-08-10 · Source: NVD
Vulnerability overview
Windows Kernel 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-822, 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
- 2024-03-04
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- CISA remediation due date
- 2024-03-25
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_1809:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.17763.5458
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.19044.4046
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.19045.4046
cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.22000.2777
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.22621.3155
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.22631.3155
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.17763.5458
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.20348.2322
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
Through (inclusive): 10.0.25398.709
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-2024-21338
Patch · Vendor Advisory
- https://decoded.avast.io/janvojtesek/lazarus-and-the-fudmodule-rootkit-beyond-byovd-with-an-admin-to-kernel-zero-day/
Exploit · Technical Description · Third Party Advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21338
Patch · Vendor Advisory
- https://packetstorm.news/files/id/190586/
Exploit · VDB Entry
- https://www.exploit-db.com/exploits/52275
Exploit · VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-21338
US Government Resource