KEV Entry

CVE-2021-33742

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2021-33742

2021-11-03 01:00 CET

Timestamps

2021-11-03

2021-11-03

Scope

Windows MSHTML Platform Remote Code Execution Vulnerability | Affected: Microsoft / Windows 10 Version 1809, Windows Server 2019, Windows 10 Version 1909, Windows 10 Version 21H1, Windows 10 Version 2004, Windows 10 Version 20H2, Windows 10 Version 1507, Windows 10 Version 1607, Windows Server 2016, Windows 7, Windows 7 Service Pack 1, Windows 8.1, Windows Server 2008 Service Pack 2, Windows Server 2008 Service Pack 2, Windows Server 2008 R2 Service Pack 1, Windows Server 2012, Windows Server 2012 R2 | CVSS: 7.5 (HIGH) | EPSS: 0.59407 | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2021-33742', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-33742'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2021-33742'}

6899298e-7bce-4bf1-b16d-69da31ebc491

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

2026-10-02 09:10 CEST

2026-10-02 09:10 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2021-11-03T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2021-33742",
  "cvss_estimated": false,
  "cvss_score": 7.5,
  "cvss_severity": "HIGH",
  "epss_percentile": 0.99096,
  "epss_score": 0.59407,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": null,
  "not_yet_in_cisa_kev": false,
  "previous_ids": [],
  "product": "Windows 10 Version 1809, Windows Server 2019, Windows 10 Version 1909, Windows 10 Version 21H1, Windows 10 Version 2004, Windows 10 Version 20H2, Windows 10 Version 1507, Windows 10 Version 1607, Windows Server 2016, Windows 7, Windows 7 Service Pack 1, Windows 8.1, Windows Server 2008 Service Pack 2, Windows Server 2008  Service Pack 2, Windows Server 2008 R2 Service Pack 1, Windows Server 2012, Windows Server 2012 R2",
  "title": "Windows MSHTML Platform Remote Code Execution Vulnerability",
  "used_in_malware": "unknown",
  "vendor": "Microsoft",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2021-33742"
}
 -
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