CVE-2023-21674
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability
CVE-2023-21674 is fixed in 30 products on 1 platform, first by KB5022289, released January 10, 2023. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on January 10, 2023. Patch Radar priority: Patch now.
Patch nowCISA KEV
CVSS
8.8
Important
Exploitation
Exploited
Reported by the vendor
CISA KEV
Jan 10, 2023
Federal due date Jan 31, 2023
EPSS
0.3421
98th percentile
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | 14393.5648 | KB5022289 | Jan 10, 2023 |
| Windows 10 Version 1607 for x64-based Systems | 14393.5648 | KB5022289 | Jan 10, 2023 |
| 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 10 for 32-bit Systems | 10240.19685 | KB5022297 | Jan 10, 2023 |
| Windows 10 for x64-based Systems | 10240.19685 | KB5022297 | 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 8.1 for 32-bit systems | KB5022352 | Jan 10, 2023 | |
| Windows 8.1 for 32-bit systems | KB5022346 | Jan 10, 2023 | |
| Windows 8.1 for x64-based systems | KB5022352 | Jan 10, 2023 | |
| Windows 8.1 for x64-based systems | KB5022346 | Jan 10, 2023 | |
| Windows RT 8.1 | KB5022346 | Jan 10, 2023 | |
| Windows Server 2012 R2 | KB5022352 | Jan 10, 2023 | |
| Windows Server 2012 R2 | KB5022346 | Jan 10, 2023 | |
| Windows Server 2012 R2 (Server Core installation) | KB5022352 | Jan 10, 2023 | |
| Windows Server 2012 R2 (Server Core installation) | KB5022346 | Jan 10, 2023 | |
| Windows Server 2016 | 14393.5648 | KB5022289 | Jan 10, 2023 |
| Windows Server 2016 (Server Core installation) | 14393.5648 | KB5022289 | 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.