CVE-2023-21679
Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution Vulnerability
CVE-2023-21679 is fixed in 40 products on 1 platform, first by KB5022289, released January 10, 2023. It is not reported as exploited. Patch Radar priority: Urgent.
Urgent
CVSS
8.1
Critical
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0113
66th 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 7 for 32-bit Systems Service Pack 1 | KB5022338 | Jan 10, 2023 | |
| Windows 7 for 32-bit Systems Service Pack 1 | KB5022339 | Jan 10, 2023 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB5022338 | Jan 10, 2023 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB5022339 | 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 2008 R2 for x64-based Systems Service Pack 1 | KB5022338 | Jan 10, 2023 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB5022339 | Jan 10, 2023 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB5022338 | Jan 10, 2023 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB5022339 | Jan 10, 2023 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB5022353 | Jan 10, 2023 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB5022340 | Jan 10, 2023 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB5022353 | Jan 10, 2023 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB5022340 | Jan 10, 2023 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB5022353 | Jan 10, 2023 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB5022340 | Jan 10, 2023 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB5022353 | Jan 10, 2023 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB5022340 | Jan 10, 2023 | |
| Windows Server 2012 | KB5022348 | Jan 10, 2023 | |
| Windows Server 2012 | KB5022343 | Jan 10, 2023 | |
| Windows Server 2012 (Server Core installation) | KB5022348 | Jan 10, 2023 | |
| Windows Server 2012 (Server Core installation) | KB5022343 | 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 |
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