CVE-2023-21674 — Microsoft Windows Advanced Local Procedure Call (ALPC) Privilege Escalation Vulnerability
CVE-2023-21674: Microsoft Windows Advanced Local Procedure Call (ALPC) Privilege Escalation Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Microsoft |
| Product | Windows |
| Date added | 2023-01-10 |
| Due date | 2023-01-31 |
| Ransomware campaign use | Unknown |
Description
Microsoft Windows Advanced Local Procedure Call (ALPC) contains an unspecified vulnerability that allows for privilege escalation.
Required action (CISA)
Apply updates per vendor instructions.
Notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-21674; https://nvd.nist.gov/vuln/detail/CVE-2023-21674
Weakness behind it
CISA records this vulnerability as an instance of CWE-416. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-21674
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
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