KEV Entry

CVE-2021-34486

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2021-34486

2022-03-28 02:00 CEST

Timestamps

2022-03-28

2022-03-28

Scope

Windows Event Tracing Elevation of Privilege Vulnerability | Affected: Microsoft / Windows 10 Version 1809, Windows 10 Version 1909, Windows 10 Version 2004, Windows 10 Version 20H2, Windows 10 Version 21H1, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server version 2004, Windows Server version 20H2 | CVSS: 7.8 (HIGH) | EPSS: 0.09253 | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2021-34486', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-34486'}
  • {'id': 'GHSA-793M-WQ3J-WHVR', 'url': 'https://github.com/advisories/GHSA-793M-WQ3J-WHVR'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2021-34486'}

3b2c6eb3-b09a-4338-a85c-24b89d575bdf

Previdian
caeb2787-0d58-4236-9039-7c86c3e566f3

2026-10-02 09:11 CEST

2026-10-02 09:11 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2022-03-28T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2021-34486",
  "cvss_estimated": false,
  "cvss_score": 7.8,
  "cvss_severity": "HIGH",
  "epss_percentile": 0.95212,
  "epss_score": 0.09253,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": "GHSA-793M-WQ3J-WHVR",
  "not_yet_in_cisa_kev": false,
  "previous_ids": [],
  "product": "Windows 10 Version 1809, Windows 10 Version 1909, Windows 10 Version 2004, Windows 10 Version 20H2, Windows 10 Version 21H1, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server version 2004, Windows Server version 20H2",
  "title": "Windows Event Tracing Elevation of Privilege Vulnerability",
  "used_in_malware": "unknown",
  "vendor": "Microsoft",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2021-34486"
}
 -
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