01 Record
CVE-2022-24521
Windows Common Log File System Driver Elevation of Privilege Vulnerability
HighKEVPUBLISHEDCNA: microsoft
CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
02 Description
Windows Common Log File System Driver Elevation of Privilege Vulnerability
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2022-04-13. Federal remediation due 2022-05-04. Known ransomware campaign use: reported by CISA.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 7.13% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 94.1% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2022-04-15 19:03Z4 YR AGO
- Last updated
- 2025-10-21 23:15Z1 YR AGO
- Reserved
- 2022-02-05
- Assigning CNA
- microsoft
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.8)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
- Weaknesses
- CWE-787Out-of-bounds WriteBase
- Data version
- 5.1
- Document digest
- 8c6d1b5ea84df43fb0074fc942b4d1d6627b2237e23a8d5cd01d5e9cd72ddc83
05 Affected products
VendorProductVersionsPlatforms
MicrosoftWindows 10 Version 180910.0.17763.0 to < 10.0.17763.2803, 10.0.0 to < 10.0.17763.280332-bit Systems, x64-based Systems, ARM64-based Systems
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0 to < 10.0.17763.2803x64-based Systems
MicrosoftWindows 10 Version 190910.0.0 to < 10.0.18363.221232-bit Systems, x64-based Systems, ARM64-based Systems
MicrosoftWindows 10 Version 21H110.0.0 to < 10.0.19043.1645x64-based Systems, ARM64-based Systems, 32-bit Systems
MicrosoftWindows 10 Version 21H210.0.19043.0 to < 10.0.19044.164532-bit Systems, ARM64-based Systems, x64-based Systems
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0 to < 10.0.14393.5066x64-based Systems
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)6.0.6003.0 to < 6.0.6003.2144632-bit Systems, x64-based Systems
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)6.1.7601.0 to < 6.1.7601.25924x64-based Systems
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0 to < 6.2.9200.23679x64-based Systems
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0 to < 6.3.9600.20337x64-based Systems
06 References
- msrc.microsoft.comWindows Common Log File System Driver Elevation of Privilege Vulnerabilityhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-24521
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-24521