# KB5013944: May 2022 cumulative update for Windows Server 2022

KB5013944, released May 10, 2022, fixes 56 CVEs across 2 products. One of them is being exploited (CVE-2022-26925); 1 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/microsoft/kb5013944
- Platform: Microsoft
- Released: May 10, 2022
- Priority: Patch now (Closes CVE-2022-26925, exploited (CISA KEV))
- CVEs: 56, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://support.microsoft.com/help/5013944

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Windows Server 2022](https://patchblox.com/security/data/product/microsoft/windows-server-2022.md) |  | 20348.707 |
| [Windows Server 2022 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2022-server-core-installation.md) |  | 20348.707 |

## 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-2022-26937](https://patchblox.com/security/data/cve/CVE-2022-26937.md) | Urgent | Windows Network File System | 9.8 | 0.7597 | More likely |
| [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-2022-29142](https://patchblox.com/security/data/cve/CVE-2022-29142.md) | Urgent | Windows Kernel | 7.0 | 0.0509 | 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-2022-26927](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-2022-29125](https://patchblox.com/security/data/cve/CVE-2022-29125.md) | High | Windows Push Notifications | 7.0 | 0.0076 |  |
| [CVE-2022-26932](https://patchblox.com/security/data/cve/CVE-2022-26932.md) | High | Windows Storage Spaces Controller | 8.2 | 0.0074 |  |
| [CVE-2022-29135](https://patchblox.com/security/data/cve/CVE-2022-29135.md) | High | Windows Cluster Shared Volume (CSV) | 7.0 | 0.0074 |  |
| [CVE-2022-26938](https://patchblox.com/security/data/cve/CVE-2022-26938.md) | High | Windows Storage Spaces Controller | 7.0 | 0.0071 |  |
| [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-2022-29150](https://patchblox.com/security/data/cve/CVE-2022-29150.md) | High | Windows Cluster Shared Volume (CSV) | 7.0 | 0.0064 |  |
| [CVE-2022-29151](https://patchblox.com/security/data/cve/CVE-2022-29151.md) | High | Windows Cluster Shared Volume (CSV) | 7.0 | 0.0064 |  |
| [CVE-2022-29138](https://patchblox.com/security/data/cve/CVE-2022-29138.md) | High | Windows Cluster Shared Volume (CSV) | 7.0 | 0.0060 |  |
| [CVE-2022-22016](https://patchblox.com/security/data/cve/CVE-2022-22016.md) | High | Windows Media | 7.0 | 0.0058 |  |
| [CVE-2022-26939](https://patchblox.com/security/data/cve/CVE-2022-26939.md) | High | Windows Storage Spaces Controller | 7.0 | 0.0058 |  |
| [CVE-2022-29106](https://patchblox.com/security/data/cve/CVE-2022-29106.md) | High | Role: Windows Hyper-V | 7.0 | 0.0058 |  |
| [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-2022-29120](https://patchblox.com/security/data/cve/CVE-2022-29120.md) | Routine | Windows Cluster Shared Volume (CSV) | 6.5 | 0.0089 |  |
| [CVE-2022-29102](https://patchblox.com/security/data/cve/CVE-2022-29102.md) | Routine | Windows Failover Cluster Automation Server | 5.5 | 0.0089 |  |
| [CVE-2022-29122](https://patchblox.com/security/data/cve/CVE-2022-29122.md) | Routine | Windows Cluster Shared Volume (CSV) | 6.5 | 0.0087 |  |
| [CVE-2022-29123](https://patchblox.com/security/data/cve/CVE-2022-29123.md) | Routine | Windows Cluster Shared Volume (CSV) | 6.5 | 0.0087 |  |
| [CVE-2022-29134](https://patchblox.com/security/data/cve/CVE-2022-29134.md) | Routine | Windows Cluster Shared Volume (CSV) | 6.5 | 0.0087 |  |
| [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 |  |

---

Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

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.
