CVE-2022-24481
published 2022-04-15CVE-2022-24481: Windows Common Log File System Driver Elevation of Privilege Vulnerability
PriorityP278high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
ITWEXPLOITVulnCheck KEV
Exploited in the wild
EPSS
16.65%
96.9th percentile
Windows Common Log File System Driver Elevation of Privilege Vulnerability
Affected
46 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10_version_1507 | >= 10.0.10240.0 < 10.0.10240.19265 | 10.0.10240.19265 |
| microsoft | windows_10_version_1607 | >= 10.0.14393.0 < 10.0.14393.5066 | 10.0.14393.5066 |
| microsoft | windows_10_version_1809 | >= 10.0.0 < 10.0.17763.2803 | 10.0.17763.2803 |
| microsoft | windows_10_version_1809 | >= 10.0.17763.0 < 10.0.17763.2803 | 10.0.17763.2803 |
| microsoft | windows_10_version_1909 | >= 10.0.0 < 10.0.18363.2212 | 10.0.18363.2212 |
| microsoft | windows_10_version_20h2 | >= 10.0.0 < 10.0.19042.1645 | 10.0.19042.1645 |
| microsoft | windows_10_version_21h1 | >= 10.0.0 < 10.0.19043.1645 | 10.0.19043.1645 |
| microsoft | windows_10_version_21h2 | >= 10.0.19043.0 < 10.0.19044.1645 | 10.0.19044.1645 |
| microsoft | windows_11_version_21h2 | >= 10.0.0 < 10.0.22000.613 | 10.0.22000.613 |
| microsoft | windows_7 | >= 6.1.0 < 6.1.7601.25924 | 6.1.7601.25924 |
| microsoft | windows_7_service_pack_1 | >= 6.1.0 < 6.1.7601.25924 | 6.1.7601.25924 |
| microsoft | windows_8.1 | >= 6.3.0 < 6.3.9600.20337 | 6.3.9600.20337 |
| microsoft | windows_server_2008 | — | — |
| microsoft | windows_server_2008_r2_service_pack_1 | >= 6.1.7601.0 < 6.1.7601.25924 | 6.1.7601.25924 |
| microsoft | windows_server_2008_service_pack_2 | >= 6.0.6003.0 < 6.0.6003.21446 | 6.0.6003.21446 |
| microsoft | windows_server_2012 | — | — |
| microsoft | windows_server_2012 | >= 6.2.9200.0 < 6.2.9200.23679 | 6.2.9200.23679 |
| microsoft | windows_server_2012_r2 | >= 6.3.9600.0 < 6.3.9600.20337 | 6.3.9600.20337 |
| microsoft | windows_server_2016 | — | — |
Detection & IOCsextracted from sources · hover to see the quote
- →CVE-2022-24481 affects the Windows Common Log File System (CLFS) Driver and results in Elevation of Privilege; monitor for suspicious CLFS driver interactions or privilege escalation from low-privileged processes. ↗
- →Microsoft rates exploitation as 'More Likely' for both latest and older software releases; prioritize detection of local privilege escalation attempts via clfs.sys on all supported Windows versions. ↗
- ·As of the advisory publication, the vulnerability had not been publicly disclosed or actively exploited in the wild, reducing immediate urgency but not eliminating risk given the 'Exploitation More Likely' rating. ↗
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.04.6MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P
vulncheck7.8HIGH
vendor_msrc7.8HIGH
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GHSA
GHSA-fcmw-94mj-87r8: Windows Common Log File System Driver Elevation of Privilege Vulnerability
ghsa_unreviewed·2022-04-16·CVSS 7.8
CVE-2022-24481 [HIGH] CWE-269 GHSA-fcmw-94mj-87r8: Windows Common Log File System Driver Elevation of Privilege Vulnerability
Windows Common Log File System Driver Elevation of Privilege Vulnerability. This CVE ID is unique from CVE-2022-24521.
GHSA
GHSA-59qr-cc8f-v837: Windows Common Log File System Driver Elevation of Privilege Vulnerability
ghsa_unreviewed·2022-04-16·CVSS 7.8
CVE-2022-24521 [HIGH] CWE-787 GHSA-59qr-cc8f-v837: Windows Common Log File System Driver Elevation of Privilege Vulnerability
Windows Common Log File System Driver Elevation of Privilege Vulnerability. This CVE ID is unique from CVE-2022-24481.
VulnCheck
Windows Common Log File System Driver Elevation of Privilege Vulnerability
vulncheck·2022·CVSS 7.8
CVE-2022-24481 [HIGH] Windows Common Log File System Driver Elevation of Privilege Vulnerability
Windows Common Log File System Driver Elevation of Privilege Vulnerability
Windows Common Log File System Driver Elevation of Privilege Vulnerability
Affected: Microsoft Windows
Required Action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Exploitation References: https://ctrlaltint3l.github.io/threat%20research/china-vietnam-campaign/
Exploit PoC: https://vulncheck.com/xdb/f7d6db9f2b0e; https://vulncheck.com/xdb/f9c82bf0e1ca
Microsoft
Windows Common Log File System Driver Elevation of Privilege Vulnerability
vendor_msrc·2022-04-12·CVSS 7.8
CVE-2022-24481 [HIGH] Windows Common Log File System Driver Elevation of Privilege Vulnerability
Windows Common Log File System Driver Elevation of Privilege Vulnerability
Windows Common Log File System Driver: Windows Common Log File System Driver
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Elevation of Privilege
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation More Likely;Older Software Release:Exploitation More Likely
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5012647
Reference: https://support.microsoft.com/help/5012647
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5012591
Reference: https://support.microsoft.com/help/5012591
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5012599
Reference: https://support.microsoft.com/help/5012599
Refe
No detection rules found.
No public exploits indexed.
Tenable
Microsoft’s April 2022 Patch Tuesday Addresses 117 CVEs (CVE-2022-24521)
blogs_tenable·2022-04-12·CVSS 7.8
[HIGH] Microsoft’s April 2022 Patch Tuesday Addresses 117 CVEs (CVE-2022-24521)
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blogs_zscaler·CVSS 7.8
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2022-04-15
Published
Exploited in the wild