# KB5013943: May 2022 cumulative update for Windows 11 21H2 KB5013943, released May 10, 2022, fixes 45 CVEs across 2 products. One of them is being exploited (CVE-2022-26925); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported. - Web page: https://patchblox.com/security/fix/microsoft/kb5013943 - Platform: Microsoft - Released: May 10, 2022 - Priority: Patch now (Closes CVE-2022-26925, exploited (CISA KEV)) - CVEs: 45, exploited: 1, on CISA KEV: 1 - Vendor advisory: https://support.microsoft.com/help/5013943 ## Applies to | Product | Release | Fixed in | |---|---|---| | [Windows 11 version 21H2 for ARM64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-11-version-21h2-for-arm64-based-systems.md) | | 22000.675 | | [Windows 11 version 21H2 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-11-version-21h2-for-x64-based-systems.md) | | 22000.675 | ## CVEs this fix closes | CVE | Priority | Component | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2022-26925](https://patchblox.com/security/data/cve/CVE-2022-26925.md) | Patch now | Microsoft Local Security Authority Server (lsasrv) | 8.1 | 0.1048 | CISA KEV, Disclosed | | [CVE-2022-21972](https://patchblox.com/security/data/cve/CVE-2022-21972.md) | Urgent | Windows Point-to-Point Tunneling Protocol | 8.1 | 0.7935 | | | [CVE-2022-23270](https://patchblox.com/security/data/cve/CVE-2022-23270.md) | Urgent | Windows Point-to-Point Tunneling Protocol | 8.1 | 0.7035 | More likely | | [CVE-2022-22017](https://patchblox.com/security/data/cve/CVE-2022-22017.md) | Urgent | Remote Desktop Client | 8.8 | 0.3711 | More likely | | [CVE-2022-29104](https://patchblox.com/security/data/cve/CVE-2022-29104.md) | Urgent | Windows Print Spooler Components | 7.8 | 0.1176 | More likely | | [CVE-2022-23279](https://patchblox.com/security/data/cve/CVE-2022-23279.md) | Urgent | Windows ALPC | 7.0 | 0.0472 | More likely | | [CVE-2022-26931](https://patchblox.com/security/data/cve/CVE-2022-26931.md) | Urgent | Windows Kerberos | 7.5 | 0.0269 | | | [CVE-2022-29114](https://patchblox.com/security/data/cve/CVE-2022-29114.md) | Urgent | Windows Print Spooler Components | 5.5 | 0.0132 | More likely | | [CVE-2022-29132](https://patchblox.com/security/data/cve/CVE-2022-29132.md) | Urgent | Windows Print Spooler Components | 7.8 | 0.0071 | More likely | | [CVE-2022-32230](https://patchblox.com/security/data/cve/CVE-2022-32230.md) | High | Windows SMB | n/a | 0.0793 | | | [CVE-2022-26927](https://patchblox.com/security/data/cve/CVE-2022-26927.md) | High | Microsoft Graphics Component | 8.8 | 0.0460 | | | [CVE-2022-22012](https://patchblox.com/security/data/cve/CVE-2022-22012.md) | High | Windows LDAP - Lightweight Directory Access Protocol | 9.8 | 0.0418 | | | [CVE-2022-29130](https://patchblox.com/security/data/cve/CVE-2022-29130.md) | High | Windows LDAP - Lightweight Directory Access Protocol | 9.8 | 0.0393 | | | [CVE-2022-29128](https://patchblox.com/security/data/cve/CVE-2022-29128.md) | High | Windows LDAP - Lightweight Directory Access Protocol | 8.8 | 0.0290 | | | [CVE-2022-29129](https://patchblox.com/security/data/cve/CVE-2022-29129.md) | High | Windows LDAP - Lightweight Directory Access Protocol | 8.8 | 0.0290 | | | [CVE-2022-29131](https://patchblox.com/security/data/cve/CVE-2022-29131.md) | High | Windows LDAP - Lightweight Directory Access Protocol | 8.8 | 0.0290 | | | [CVE-2022-29141](https://patchblox.com/security/data/cve/CVE-2022-29141.md) | High | Windows LDAP - Lightweight Directory Access Protocol | 8.8 | 0.0283 | | | [CVE-2022-26926](https://patchblox.com/security/data/cve/CVE-2022-26926.md) | High | Windows Address Book | 7.8 | 0.0281 | | | [CVE-2022-22019](https://patchblox.com/security/data/cve/CVE-2022-22019.md) | High | Windows Remote Procedure Call Runtime | 8.8 | 0.0272 | | | [CVE-2022-22013](https://patchblox.com/security/data/cve/CVE-2022-22013.md) | High | Windows LDAP - Lightweight Directory Access Protocol | 8.8 | 0.0248 | | | [CVE-2022-22014](https://patchblox.com/security/data/cve/CVE-2022-22014.md) | High | Windows LDAP - Lightweight Directory Access Protocol | 8.8 | 0.0248 | | | [CVE-2022-29137](https://patchblox.com/security/data/cve/CVE-2022-29137.md) | High | Windows LDAP - Lightweight Directory Access Protocol | 8.8 | 0.0248 | | | [CVE-2022-26913](https://patchblox.com/security/data/cve/CVE-2022-26913.md) | High | Windows Authentication Methods | 7.4 | 0.0246 | | | [CVE-2022-29139](https://patchblox.com/security/data/cve/CVE-2022-29139.md) | High | Windows LDAP - Lightweight Directory Access Protocol | 8.8 | 0.0243 | | | [CVE-2022-29115](https://patchblox.com/security/data/cve/CVE-2022-29115.md) | High | Role: Windows Fax Service | 7.8 | 0.0241 | | | [CVE-2022-30138](https://patchblox.com/security/data/cve/CVE-2022-30138.md) | High | Windows Print Spooler Components | 7.8 | 0.0103 | | | [CVE-2022-29133](https://patchblox.com/security/data/cve/CVE-2022-29133.md) | High | Windows Kernel | 8.8 | 0.0076 | | | [CVE-2022-29125](https://patchblox.com/security/data/cve/CVE-2022-29125.md) | High | Windows Push Notifications | 7.0 | 0.0076 | | | [CVE-2022-29103](https://patchblox.com/security/data/cve/CVE-2022-29103.md) | High | Windows Remote Access Connection Manager | 7.8 | 0.0064 | | | [CVE-2022-29126](https://patchblox.com/security/data/cve/CVE-2022-29126.md) | High | Tablet Windows User Interface | 7.0 | 0.0064 | | | [CVE-2022-22016](https://patchblox.com/security/data/cve/CVE-2022-22016.md) | High | Windows Media | 7.0 | 0.0058 | | | [CVE-2022-29113](https://patchblox.com/security/data/cve/CVE-2022-29113.md) | High | Windows Media | 7.8 | 0.0044 | | | [CVE-2022-29112](https://patchblox.com/security/data/cve/CVE-2022-29112.md) | Routine | Microsoft Graphics Component | 6.5 | 0.0347 | | | [CVE-2022-26934](https://patchblox.com/security/data/cve/CVE-2022-26934.md) | Routine | Microsoft Graphics Component | 6.5 | 0.0310 | | | [CVE-2022-26936](https://patchblox.com/security/data/cve/CVE-2022-26936.md) | Routine | Windows Server Service | 6.5 | 0.0307 | | | [CVE-2022-22015](https://patchblox.com/security/data/cve/CVE-2022-22015.md) | Routine | Windows Remote Desktop | 6.5 | 0.0268 | | | [CVE-2022-26940](https://patchblox.com/security/data/cve/CVE-2022-26940.md) | Routine | Remote Desktop Client | 6.5 | 0.0268 | | | [CVE-2022-29140](https://patchblox.com/security/data/cve/CVE-2022-29140.md) | Routine | Windows Print Spooler Components | 5.5 | 0.0121 | | | [CVE-2022-26935](https://patchblox.com/security/data/cve/CVE-2022-26935.md) | Routine | Windows WLAN Auto Config Service | 6.5 | 0.0109 | | | [CVE-2022-29121](https://patchblox.com/security/data/cve/CVE-2022-29121.md) | Routine | Windows WLAN Auto Config Service | 6.5 | 0.0097 | | | [CVE-2022-26933](https://patchblox.com/security/data/cve/CVE-2022-26933.md) | Routine | Windows NTFS | 5.5 | 0.0092 | | | [CVE-2022-26930](https://patchblox.com/security/data/cve/CVE-2022-26930.md) | Routine | Windows Remote Access Connection Manager | 5.5 | 0.0087 | | | [CVE-2022-29127](https://patchblox.com/security/data/cve/CVE-2022-29127.md) | Routine | Windows BitLocker | 4.2 | 0.0086 | | | [CVE-2022-24466](https://patchblox.com/security/data/cve/CVE-2022-24466.md) | Routine | Role: Windows Hyper-V | 4.1 | 0.0074 | | | [CVE-2022-29116](https://patchblox.com/security/data/cve/CVE-2022-29116.md) | Routine | Windows Kernel | 4.7 | 0.0058 | | --- Data as of 2026-11-08T06:59:42Z UTC. 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