# CVE-2022-26937: Windows Network File System Remote Code Execution Vulnerability CVE-2022-26937 is fixed in 17 products on 1 platform, first by KB5013952, released May 10, 2022. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent. - Web page: https://patchblox.com/security/cve/CVE-2022-26937 - Priority: Urgent - CVSS: 9.8 (Critical) - EPSS: 0.7597 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Vendor exploitability assessment: Exploitation More Likely - Published: May 10, 2022 - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26937 ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB5014012](https://patchblox.com/security/data/fix/microsoft/kb5014012.md) | May 10, 2022 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB5013999](https://patchblox.com/security/data/fix/microsoft/kb5013999.md) | May 10, 2022 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | | [KB5014012](https://patchblox.com/security/data/fix/microsoft/kb5014012.md) | May 10, 2022 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | | [KB5013999](https://patchblox.com/security/data/fix/microsoft/kb5013999.md) | May 10, 2022 | | Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 | | [KB5014006](https://patchblox.com/security/data/fix/microsoft/kb5014006.md) | May 10, 2022 | | Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 | | [KB5014010](https://patchblox.com/security/data/fix/microsoft/kb5014010.md) | May 10, 2022 | | Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | | [KB5014006](https://patchblox.com/security/data/fix/microsoft/kb5014006.md) | May 10, 2022 | | Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | | [KB5014010](https://patchblox.com/security/data/fix/microsoft/kb5014010.md) | May 10, 2022 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 | | [KB5014006](https://patchblox.com/security/data/fix/microsoft/kb5014006.md) | May 10, 2022 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 | | [KB5014010](https://patchblox.com/security/data/fix/microsoft/kb5014010.md) | May 10, 2022 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | | [KB5014006](https://patchblox.com/security/data/fix/microsoft/kb5014006.md) | May 10, 2022 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | | [KB5014010](https://patchblox.com/security/data/fix/microsoft/kb5014010.md) | May 10, 2022 | | Microsoft | Windows Server 2012 | | [KB5014018](https://patchblox.com/security/data/fix/microsoft/kb5014018.md) | May 10, 2022 | | Microsoft | Windows Server 2012 | | [KB5014017](https://patchblox.com/security/data/fix/microsoft/kb5014017.md) | May 10, 2022 | | Microsoft | Windows Server 2012 (Server Core installation) | | [KB5014018](https://patchblox.com/security/data/fix/microsoft/kb5014018.md) | May 10, 2022 | | Microsoft | Windows Server 2012 (Server Core installation) | | [KB5014017](https://patchblox.com/security/data/fix/microsoft/kb5014017.md) | May 10, 2022 | | Microsoft | Windows Server 2012 R2 | | [KB5014011](https://patchblox.com/security/data/fix/microsoft/kb5014011.md) | May 10, 2022 | | Microsoft | Windows Server 2012 R2 | | [KB5014001](https://patchblox.com/security/data/fix/microsoft/kb5014001.md) | May 10, 2022 | | Microsoft | Windows Server 2012 R2 (Server Core installation) | | [KB5014011](https://patchblox.com/security/data/fix/microsoft/kb5014011.md) | May 10, 2022 | | Microsoft | Windows Server 2012 R2 (Server Core installation) | | [KB5014001](https://patchblox.com/security/data/fix/microsoft/kb5014001.md) | May 10, 2022 | | Microsoft | Windows Server 2016 | 14393.5125 | [KB5013952](https://patchblox.com/security/data/fix/microsoft/kb5013952.md) | May 10, 2022 | | Microsoft | Windows Server 2016 (Server Core installation) | 14393.5125 | [KB5013952](https://patchblox.com/security/data/fix/microsoft/kb5013952.md) | May 10, 2022 | | Microsoft | Windows Server 2019 | 17763.2928 | [KB5013941](https://patchblox.com/security/data/fix/microsoft/kb5013941.md) | May 10, 2022 | | Microsoft | Windows Server 2019 (Server Core installation) | 17763.2928 | [KB5013941](https://patchblox.com/security/data/fix/microsoft/kb5013941.md) | May 10, 2022 | | Microsoft | Windows Server 2022 | 20348.707 | [KB5013944](https://patchblox.com/security/data/fix/microsoft/kb5013944.md) | May 10, 2022 | | Microsoft | Windows Server 2022 (Server Core installation) | 20348.707 | [KB5013944](https://patchblox.com/security/data/fix/microsoft/kb5013944.md) | May 10, 2022 | | Microsoft | Windows Server, version 20H2 (Server Core Installation) | | [KB5013942](https://patchblox.com/security/data/fix/microsoft/kb5013942.md) | May 10, 2022 | --- Data as of 2026-11-08T06:59:42Z UTC. 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