KEV Entry

CVE-2023-21674

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2023-21674

2023-01-10 00:00 UTC

Timestamps

2023-01-10

2023-01-10

Scope

KEVIntel entry: Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability | Affected: Microsoft / Windows 10 Version 1809, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows 10 Version 20H2, Windows 11 version 21H2, Windows 10 Version 21H2, Windows 11 version 22H2, Windows 10 Version 22H2, Windows 10 Version 1507, Windows 10 Version 1607, Windows Server 2016, Windows Server 2016 (Server Core installation), Windows 8.1, Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation) | CVSS: 8.8 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2023-21674', 'url': 'https://www.cve.org/CVERecord?id=CVE-2023-21674'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2023-21674'}

3efe4b2e-d05c-482b-bd95-bc7a74341242

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-19 12:47 UTC

2026-06-19 12:47 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2023-01-10T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 8.8,
  "cvss_severity": "HIGH",
  "epss_percentile": null,
  "epss_score": null,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": false,
  "product": "Windows 10 Version 1809, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows 10 Version 20H2, Windows 11 version 21H2, Windows 10 Version 21H2, Windows 11 version 22H2, Windows 10 Version 22H2, Windows 10 Version 1507, Windows 10 Version 1607, Windows Server 2016, Windows Server 2016 (Server Core installation), Windows 8.1, Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)",
  "title": "Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability",
  "used_in_malware": "unknown",
  "vendor": "Microsoft"
}
 -
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