What happened
Microsoft Windows Advanced Local Procedure Call (ALPC) contains an unspecified vulnerability that allows for privilege escalation.
Affected versions
Windows: See original advisory Fixed: See vendor advisory.
Why it matters
This source correlation may provide earlier visibility while structured CVE metadata is still being updated.
Detection & mitigation
- Review the original advisory and validate affected versions.
- Apply vendor-provided updates or mitigations when available.
Public PoC references
RepositoryAuthorFirst seenReference
SploitusBrowser sandbox escape in Windows ALPC enabling SYSTEM privilege escalation via CVE-2023-21674.KitPloit2026-09-05T18:33:38Candidatekitploit.comBrowser sandbox escape in Windows ALPC enabling SYSTEM privilege escalation via CVE-2023-21674.ar2026-09-05T18:33:38CandidateSource timeline
Discovered through CISA Known Exploited VulnerabilitiesView source ↗
Added to CISA Known Exploited Vulnerabilities catalogView source ↗
Record history
Record created from the first normalized source observation.
Metadata and source references refreshed.