KEV Entry

CVE-2021-28310

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2021-28310

2021-11-03 00:00 UTC

Timestamps

2021-11-03

2021-11-03

Scope

KEVIntel entry: Win32k Elevation of Privilege Vulnerability | Affected: Microsoft / Windows 10 Version 1803, Windows 10 Version 1809, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows 10 Version 1909, Windows Server, version 1909 (Server Core installation), Windows 10 Version 2004, Windows Server version 2004, Windows 10 Version 20H2, Windows Server version 20H2 | CVSS: 7.8 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2021-28310', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-28310'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2021-28310'}

7cddd0da-b01b-4c29-9c27-4b74caa6e091

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-23 14:04 UTC

2026-06-23 14:04 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2021-11-03T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 7.8,
  "cvss_severity": "HIGH",
  "epss_percentile": null,
  "epss_score": null,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": false,
  "product": "Windows 10 Version 1803, Windows 10 Version 1809, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows 10 Version 1909, Windows Server, version 1909 (Server Core installation), Windows 10 Version 2004, Windows Server version 2004, Windows 10 Version 20H2, Windows Server version 20H2",
  "title": "Win32k Elevation of Privilege Vulnerability",
  "used_in_malware": "unknown",
  "vendor": "Microsoft"
}
 -
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