CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2024-21338
High (7.8) in Microsoft Windows. In CISA KEV since 2024-03-04, with known ransomware use. EPSS 60% chance of exploitation in the next 30 days.
Windows Kernel Elevation of Privilege Vulnerability
Severity
- EPSS
- 60% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
- CISA KEV
- listed 2024-03-04, due 2024-03-25, known ransomware use
- CWE
- CWE-822
- Published
- Modified
- Record from
- the NVD, synced
Affected
- microsoft:windows_10_1809
- microsoft:windows_10_21h2
- microsoft:windows_10_22h2
- microsoft:windows_11_21h2
- microsoft:windows_11_22h2
- microsoft:windows_11_23h2
- microsoft:windows_server_2019
- microsoft:windows_server_2022
- microsoft:windows_server_2022_23h2
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21338
- https://decoded.avast.io/janvojtesek/lazarus-and-the-fudmodule-rootkit-beyond-byovd-with-an-admin-to-kernel-zero-day/
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21338
- https://packetstorm.news/files/id/190586/
- https://www.exploit-db.com/exploits/52275