CVE-2021-36955
HighPublished
Windows Common Log File System Driver Elevation of Privilege Vulnerability
- Published
- Sep 15, 2021
- Updated
- Aug 10, 2026
- Assigning CNA
- microsoft
- Evidence observed
- Nov 3, 2021
Primary CVSS
7.8/ 10High
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H4.0%
Low · next 30 days
- Percentile
- 90.2%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
Windows Common Log File System Driver Elevation of Privilege Vulnerability
Sources
1- CVE-2021-36955-EXPExploit
CVE-2021-36955
Responsible use
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