peter bassill · operator
$ cve CVE-2023-21674 JSON

CVE-2023-21674 KEV

8.8
HIGH · CVSS 3.1 · EPSS 41% (pctl 99)

Patch first

On CISA KEV — known exploited in the wild, due 2023-01-31.

Description

Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability

Scoring

CVSS8.8 (HIGH, v3.1)
VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS40.99% — more likely to be exploited than 99% of all CVEs
WeaknessCWE-416
On CISA KEVyes — remediate by 2023-01-31
Public exploitnone known
Published2023-01-10
Last modified2026-06-17

CISA KEV

NameMicrosoft Windows Advanced Local Procedure Call (ALPC) Privilege Escalation Vulnerability
Added2023-01-10
Due2023-01-31
Vendor / productMicrosoft / Windows
Ransomware usenone reported

Affected (13)

VendorProduct
microsoftwindows 10 1507
microsoftwindows 10 1607
microsoftwindows 10 1809
microsoftwindows 10 20h2
microsoftwindows 10 21h2
microsoftwindows 10 22h2
microsoftwindows 11 21h2
microsoftwindows 11 22h2
microsoftwindows rt 8.1
microsoftwindows server 2012
microsoftwindows server 2016
microsoftwindows server 2019
microsoftwindows server 2022

References

→ the Explorer  ·  watch your stack  ·  NVD