CVE-2023-21674

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2023-21674

Confirmed

Yes

2023-01-10 00:00 UTC

Timestamps

2023-01-10

2023-01-10

Scope

KEV entry: Microsoft Windows Advanced Local Procedure Call (ALPC) Privilege Escalation Vulnerability | Affected: Microsoft / Windows | Description: Microsoft Windows Advanced Local Procedure Call (ALPC) contains an unspecified vulnerability that allows for privilege escalation. | Required action: Apply updates per vendor instructions. | Due date: 2023-01-31 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-21674; https://nvd.nist.gov/vuln/detail/CVE-2023-21674

References
  • {'id': 'CVE-2023-21674', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-21674'}

3a196eb5-eb9a-495f-9ad2-0505d128b059

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 13:25 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": [
    "CWE-416"
  ],
  "date_added": "2023-01-10",
  "due_date": "2023-01-31",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Windows",
  "vendorProject": "Microsoft",
  "vulnerabilityName": "Microsoft Windows Advanced Local Procedure Call (ALPC) Privilege Escalation Vulnerability"
}
 -
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