CVE-2023-21674

CISA KEV
ACT NOW Priority: 0.00 BB Relevance: 7/100
Published: N/A Modified: N/A First seen: 2026-10-29 Status: pending_score

Description

Microsoft Windows Advanced Local Procedure Call (ALPC) contains an unspecified vulnerability that allows for privilege escalation.

CISA Known Exploited Vulnerability

Vendor / Product Microsoft — Windows
Date Added 2023-01-10
Remediation Due 2023-01-31
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-21674; https://nvd.nist.gov/vuln/detail/CVE-2023-21674

Bug Bounty Relevance

7 / 100
✓ Known exploited (KEV)

CVSS Score

Unscored

EPSS — Exploitation Probability

34.21%
Raw Score 0.342060
Percentile 98.4%
Date 2026-10-28

Intelligence Sources

kev ref →