CVE-2021-43226
published 2021-12-15CVE-2021-43226: Windows Common Log File System Driver Elevation of Privilege Vulnerability
high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
KEVITW
CISA Known Exploited Vulnerabilitydue 2025-10-27
Exploited in the wild
Windows Common Log File System Driver Elevation of Privilege Vulnerability
Affected
56 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10_1507 | < 10.0.10240.19145 | 10.0.10240.19145 |
| microsoft | windows_10_1607 | < 10.0.14393.4825 | 10.0.14393.4825 |
| microsoft | windows_10_1809 | < 10.0.17763.2366 | 10.0.17763.2366 |
| microsoft | windows_10_1909 | < 10.0.18363.1977 | 10.0.18363.1977 |
| microsoft | windows_10_2004 | < 10.0.19041.1415 | 10.0.19041.1415 |
| microsoft | windows_10_20h2 | < 10.0.19042.1415 | 10.0.19042.1415 |
| microsoft | windows_10_21h1 | < 10.0.19043.1415 | 10.0.19043.1415 |
| microsoft | windows_10_21h2 | < 10.0.19044.1415 | 10.0.19044.1415 |
| microsoft | windows_10_version_1507 | >= 10.0.0 < 10.0.10240.19145 | 10.0.10240.19145 |
| microsoft | windows_10_version_1607 | >= 10.0.0 < 10.0.14393.4825 | 10.0.14393.4825 |
| microsoft | windows_10_version_1809 | >= 10.0.0 < 10.0.17763.2366 | 10.0.17763.2366 |
| microsoft | windows_10_version_1909 | >= 10.0.0 < 10.0.18363.1977 | 10.0.18363.1977 |
| microsoft | windows_10_version_2004 | >= 10.0.0 < 10.0.19041.1415 | 10.0.19041.1415 |
| microsoft | windows_10_version_20h2 | >= 10.0.0 < 10.0.19042.1415 | 10.0.19042.1415 |
| microsoft | windows_10_version_21h1 | >= 10.0.0 < 10.0.19043.1415 | 10.0.19043.1415 |
| microsoft | windows_10_version_21h2 | >= 10.0.0 < 10.0.19044.1415 | 10.0.19044.1415 |
| microsoft | windows_11_21h2 | < 10.0.22000.376 | 10.0.22000.376 |
| microsoft | windows_11_version_21h2 | >= 10.0.0 < 10.0.22000.376 | 10.0.22000.376 |
| microsoft | windows_7 | >= 6.1.0 < 6.1.7601.25796 | 6.1.7601.25796 |
| microsoft | windows_7_service_pack_1 | >= 6.1.0 < 6.1.7601.25796 | 6.1.7601.25796 |
| microsoft | windows_8.1 | >= 6.3.0 < 6.3.9600.20207 | 6.3.9600.20207 |
| microsoft | windows_server_2004 | < 10.0.19041.1415 | 10.0.19041.1415 |
| microsoft | windows_server_2008 | — | — |
| microsoft | windows_server_2008_r2_service_pack_1 | >= 6.0.0 < 6.1.7601.25796 | 6.1.7601.25796 |
| microsoft | windows_server_2008_r2_service_pack_1 | >= 6.1.0 < 6.1.7601.25796 | 6.1.7601.25796 |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vulncheck7.8HIGH
cisa7.8HIGH