CVE-2022-37969

Microsoft Windows: Common Log File System (CLFS) Driver Privilege Escalation

As of , CVE-2022-37969 in Microsoft Windows is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 14 September 2022
US federal deadline
5 October 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
KnownCISA changed it from Unknown to Known on 4 September 2026.
EPSS score
0.28Higher than 98% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.01 on 14 September 2022EPSS on the day CISA listed it.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
Vendor advice: msrc.microsoft.comLinks below, from CISA's entry.

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

Microsoft Windows Common Log File System (CLFS) driver contains an unspecified vulnerability that allows for privilege escalation.

CISA's description

Windows Common Log File System Driver Elevation of Privilege Vulnerability

The CVE record's description, from microsoft

CVE published
13 September 2022
Assigned by
microsoft
CVSS
7.8 High (CVSS 3.1, from the CNA)
CWE-787
Out-of-bounds Write
CWE-20
Improper Input Validation
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.
  4. CISA changed its entry. Ransomware use: Unknown to Known.

Windows: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2025-60710Link FollowingMicrosoft WindowsPatch nowRansomware use, listed within a year0.05
CVE-2008-4250Buffer OverflowMicrosoft WindowsPatch this weekMetasploit module; EPSS 0.99; verified Exploit-DB entry0.99
CVE-2008-0015Video ActiveX Control Remote Code ExecutionMicrosoft WindowsPatch this weekMetasploit module; EPSS 0.77; verified Exploit-DB entry0.77
CVE-2013-3918Out-of-Bounds WriteMicrosoft WindowsPatch this weekMetasploit module; EPSS 0.74; verified Exploit-DB entry0.74
CVE-2010-2568Remote Code ExecutionMicrosoft WindowsPatch this weekMetasploit module; EPSS 0.91; verified Exploit-DB entry0.91
CVE-2015-0016TS WebProxy Directory TraversalMicrosoft WindowsPatch this weekMetasploit module; EPSS 0.76; verified Exploit-DB entry0.76
CVE-2015-2426Adobe Type Manager Library Remote Code ExecutionMicrosoft WindowsPatch this weekMetasploit module; EPSS 0.87; verified Exploit-DB entry0.87
CVE-2014-6332Object Linking & Embedding (OLE) Automation Array Remote Code ExecutionMicrosoft WindowsPatch this weekMetasploit module; EPSS 0.95; verified Exploit-DB entry0.95
CVE-2017-0146SMB Remote Code ExecutionMicrosoft WindowsPatch this weekRansomware use; Metasploit module; EPSS 0.90; verified Exploit-DB entry0.90
CVE-2014-4114Object Linking & Embedding (OLE) Remote Code ExecutionMicrosoft WindowsPatch this weekMetasploit module; EPSS 0.82; verified Exploit-DB entry0.82

All 174 entries for Windows

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