CVE-2022-37969
high CISA KEVMicrosoft Windows Common Log File System (CLFS) Driver Privilege Escalation Vulnerability
Vendor / product: Microsoft — Windows
Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVSS
7.8
7.8 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (secure@microsoft.com)
Timeline (UTC)
Published: 2022-09-13 19:15
Modified: 2026-09-10 04:17
NVD status: Analyzed
Last synced 2 days ago
Verified against the source API 2026-10-27 07:07 UTC
Exploitation
Listed in CISA KEV
Added 2022-09-14 · due 2022-10-05
Known ransomware use: Known
Required action (CISA)
Apply updates per vendor instructions.
Affected products
microsoft / windows_10_1507 <10.0.10240.19444
microsoft / windows_10_1607 <10.0.14393.5356
microsoft / windows_10_1809 <10.0.17763.3406
microsoft / windows_10_20h2 <10.0.19042.2006
microsoft / windows_10_21h1 <10.0.19043.2006
microsoft / windows_10_21h2 <10.0.19044.2006
microsoft / windows_11_21h2 <10.0.22000.978
microsoft / windows_7 all versions
microsoft / windows_8.1 all versions
microsoft / windows_rt_8.1 all versions
microsoft / windows_server_2008 all versions, r2
microsoft / windows_server_2012 all versions, r2
microsoft / windows_server_2016 <10.0.14393.5356
microsoft / windows_server_2019 <10.0.17763.3406
microsoft / windows_server_2022 <10.0.20348.1006
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-37969
Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-37969
Patch / mitigation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-37969
Patch / mitigation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-37969
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-37969 secure@microsoft.com
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-37969 af854a3a-2127-422b-91ae-364da2661108
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-37969 134c704f-9b21-4f2e-91b3-4a467353bcc0
Data sources
CISA KEV — fetched 2026-10-27 06:50 UTC · record ↗
NVD CVE API 2.0 — fetched 2026-10-27 07:07 UTC · record ↗