CVE-2023-28229 HIGH

CVE-2023-28229: Windows CNG Key Isolation Service Elevation of Privilege Vulnerability

Vendor Microsoft
Product Windows 10 Version 1809
Weakness CWE-591
KEV Status Known Exploited
Published April 11, 2023
Last update October 21, 2025

CVSS base score

7.0/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Windows CNG Key Isolation Service Elevation of Privilege Vulnerability

CISA mandated remediation

02CISA Required Action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Key dates

03Disclosure timeline

April 11, 2023 CVE published
October 21, 2025 Record updated