CVE-2022-24521

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Affected

Microsoft · Windows 10 Version 1809 · Windows Server 2019 · Windows Server 2019 (Server Core installation) · Windows 10 Version 1909 · Windows 10 Version 21H1 · Windows Server 2022

CVSS v3.1 MICROSOFT

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

CVSS v2.0 NVD

4.6 MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P

EPSS

7.13% chance of exploitation in the next 30 days, 94th percentile

CISA KEV

added 2022-04-13, used in ransomware campaigns

Published

2022-04-15

Updated

2025-10-21

Proof-of-concept exploits (3)

• fr4nkxixi/CVE-2022-24481-POC14★ · 2023-05-14
• robotMD5/CVE-2022-24481-POC14★ · 2023-05-14
• uname1able/CVE-2022-245210★ · 2026-02-20

Security advisories

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-24521

References

• CVE Record
• NVD entry

Related

• CVE-2021-26871
• CVE-2022-24481
• CVE-2022-37969
• CVE-2025-21333
• CVE-2025-29824
• CVE-2026-20820