CVE-2023-21676

Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability

CVE-2023-21676 is fixed in 19 products on 1 platform, first by KB5022286, released January 10, 2023. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
8.8
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0155
75th percentile

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1809 for 32-bit Systems 17763.3887 KB5022286 Jan 10, 2023
Windows 10 Version 1809 for ARM64-based Systems 17763.3887 KB5022286 Jan 10, 2023
Windows 10 Version 1809 for x64-based Systems 17763.3887 KB5022286 Jan 10, 2023
Windows 10 Version 20H2 for 32-bit Systems KB5022282 Jan 10, 2023
Windows 10 Version 20H2 for ARM64-based Systems KB5022282 Jan 10, 2023
Windows 10 Version 21H2 for 32-bit Systems KB5022282 Jan 10, 2023
Windows 10 Version 21H2 for ARM64-based Systems KB5022282 Jan 10, 2023
Windows 10 Version 21H2 for x64-based Systems KB5022282 Jan 10, 2023
Windows 10 Version 22H2 for 32-bit Systems KB5022282 Jan 10, 2023
Windows 10 Version 22H2 for ARM64-based Systems KB5022282 Jan 10, 2023
Windows 10 Version 22H2 for x64-based Systems KB5022282 Jan 10, 2023
Windows 11 Version 22H2 for ARM64-based Systems 22621.1105 KB5022303 Jan 10, 2023
Windows 11 Version 22H2 for x64-based Systems 22621.1105 KB5022303 Jan 10, 2023
Windows 11 version 21H2 for ARM64-based Systems 22000.1455 KB5022287 Jan 10, 2023
Windows 11 version 21H2 for x64-based Systems 22000.1455 KB5022287 Jan 10, 2023
Windows Server 2019 17763.3887 KB5022286 Jan 10, 2023
Windows Server 2019 (Server Core installation) 17763.3887 KB5022286 Jan 10, 2023
Windows Server 2022 20348.1487 KB5022291 Jan 10, 2023
Windows Server 2022 (Server Core installation) 20348.1487 KB5022291 Jan 10, 2023

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.