CVE-2021-36955

Known Exploited Vulnerability Entry External Catalog

Entry Details

CVE-2021-36955

Confirmed

Yes

2021-11-03 00:00 UTC


Timestamps

2021-11-03

2021-11-03


Scope

KEV entry: Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Vulnerability | Affected: Microsoft / Windows | Description: Microsoft Windows Common Log File System (CLFS) driver contains an unspecified vulnerability that allows for privilege escalation. | Required action: Apply updates per vendor instructions. | Due date: 2021-11-17 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2021-36955


References
  • {'id': 'CVE-2021-36955', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-36955'}

0c17d35a-889d-4254-a9f2-076d6d3fbd0d

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 13:26 UTC

2026-02-06 07:53 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details
{
  "cwes": [],
  "date_added": "2021-11-03",
  "due_date": "2021-11-17",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Known",
  "product": "Windows",
  "vendorProject": "Microsoft",
  "vulnerabilityName": "Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Vulnerability"
}
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