# KB5025230: April 2023 cumulative update for Windows Server 2022 KB5025230, released April 11, 2023, fixes 73 CVEs across 2 products. 3 of them are being exploited (CVE-2022-26923); 3 on CISA KEV. Patch Radar priority: Patch now. - Web page: https://patchblox.com/security/fix/microsoft/kb5025230 - Platform: Microsoft - Released: Apr 11, 2023 - Priority: Patch now (Closes CVE-2022-26923, exploited (CISA KEV)) - CVEs: 73, exploited: 3, on CISA KEV: 3 - Vendor advisory: https://support.microsoft.com/help/5025230 ## Applies to | Product | Release | Fixed in | |---|---|---| | [Windows Server 2022](https://patchblox.com/security/data/product/microsoft/windows-server-2022.md) | | 20348.1668 | | [Windows Server 2022 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2022-server-core-installation.md) | | 20348.1668 | ## CVEs this fix closes | CVE | Priority | Component | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2022-26923](https://patchblox.com/security/data/cve/CVE-2022-26923.md) | Patch now | Windows Active Directory | 8.8 | 0.8350 | CISA KEV | | [CVE-2023-28252](https://patchblox.com/security/data/cve/CVE-2023-28252.md) | Patch now | Windows Common Log File System Driver | 7.8 | 0.4889 | CISA KEV, Ransomware | | [CVE-2023-28229](https://patchblox.com/security/data/cve/CVE-2023-28229.md) | Patch now | Windows CNG Key Isolation Service | 7.0 | 0.0167 | CISA KEV | | [CVE-2023-21554](https://patchblox.com/security/data/cve/CVE-2023-21554.md) | Urgent | Windows Message Queuing | 9.8 | 0.9541 | More likely | | [CVE-2023-28231](https://patchblox.com/security/data/cve/CVE-2023-28231.md) | Urgent | Windows DHCP Server | 8.8 | 0.3662 | More likely | | [CVE-2023-28219](https://patchblox.com/security/data/cve/CVE-2023-28219.md) | Urgent | Windows Layer 2 Tunneling Protocol | 8.1 | 0.1498 | More likely | | [CVE-2023-28220](https://patchblox.com/security/data/cve/CVE-2023-28220.md) | Urgent | Windows Layer 2 Tunneling Protocol | 8.1 | 0.1498 | More likely | | [CVE-2023-28218](https://patchblox.com/security/data/cve/CVE-2023-28218.md) | Urgent | Windows Ancillary Function Driver for WinSock | 7.0 | 0.1240 | More likely | | [CVE-2023-28274](https://patchblox.com/security/data/cve/CVE-2023-28274.md) | Urgent | Windows Win32K | 7.8 | 0.0683 | More likely | | [CVE-2023-28227](https://patchblox.com/security/data/cve/CVE-2023-28227.md) | Urgent | Microsoft Bluetooth Driver | 7.5 | 0.0659 | More likely | | [CVE-2023-28266](https://patchblox.com/security/data/cve/CVE-2023-28266.md) | Urgent | Windows Common Log File System Driver | 5.5 | 0.0436 | More likely | | [CVE-2023-24912](https://patchblox.com/security/data/cve/CVE-2023-24912.md) | Urgent | Microsoft Graphics Component | 7.8 | 0.0357 | More likely | | [CVE-2023-28250](https://patchblox.com/security/data/cve/CVE-2023-28250.md) | Urgent | Windows PGM | 9.8 | 0.0203 | | | [CVE-2023-28232](https://patchblox.com/security/data/cve/CVE-2023-28232.md) | Urgent | Windows Point-to-Point Tunneling Protocol | 7.5 | 0.0091 | | | [CVE-2023-28302](https://patchblox.com/security/data/cve/CVE-2023-28302.md) | High | Windows Active Directory | 7.5 | 0.9257 | | | [CVE-2023-21769](https://patchblox.com/security/data/cve/CVE-2023-21769.md) | High | Windows Message Queuing | 7.5 | 0.8867 | | | [CVE-2023-28244](https://patchblox.com/security/data/cve/CVE-2023-28244.md) | High | Windows Kerberos | 8.1 | 0.0292 | | | [CVE-2023-28293](https://patchblox.com/security/data/cve/CVE-2023-28293.md) | High | Windows Kernel | 7.8 | 0.0287 | | | [CVE-2023-24931](https://patchblox.com/security/data/cve/CVE-2023-24931.md) | High | Windows Secure Channel | 7.5 | 0.0203 | | | [CVE-2023-28241](https://patchblox.com/security/data/cve/CVE-2023-28241.md) | High | Windows Secure Socket Tunneling Protocol (SSTP) | 7.5 | 0.0199 | | | [CVE-2023-28217](https://patchblox.com/security/data/cve/CVE-2023-28217.md) | High | Windows Network Address Translation (NAT) | 7.5 | 0.0194 | | | [CVE-2023-28233](https://patchblox.com/security/data/cve/CVE-2023-28233.md) | High | Windows Secure Channel | 7.5 | 0.0173 | | | [CVE-2023-28234](https://patchblox.com/security/data/cve/CVE-2023-28234.md) | High | Windows Transport Security Layer (TLS) | 7.5 | 0.0173 | | | [CVE-2023-21727](https://patchblox.com/security/data/cve/CVE-2023-21727.md) | High | Windows RPC API | 8.8 | 0.0164 | | | [CVE-2023-24884](https://patchblox.com/security/data/cve/CVE-2023-24884.md) | High | Microsoft Printer Drivers | 8.8 | 0.0164 | | | [CVE-2023-24885](https://patchblox.com/security/data/cve/CVE-2023-24885.md) | High | Microsoft Printer Drivers | 8.8 | 0.0164 | | | [CVE-2023-24886](https://patchblox.com/security/data/cve/CVE-2023-24886.md) | High | Microsoft Printer Drivers | 8.8 | 0.0164 | | | [CVE-2023-24887](https://patchblox.com/security/data/cve/CVE-2023-24887.md) | High | Microsoft Printer Drivers | 8.8 | 0.0164 | | | [CVE-2023-24924](https://patchblox.com/security/data/cve/CVE-2023-24924.md) | High | Microsoft Printer Drivers | 8.8 | 0.0164 | | | [CVE-2023-24925](https://patchblox.com/security/data/cve/CVE-2023-24925.md) | High | Microsoft Printer Drivers | 8.8 | 0.0164 | | | [CVE-2023-24926](https://patchblox.com/security/data/cve/CVE-2023-24926.md) | High | Microsoft Printer Drivers | 8.8 | 0.0164 | | | [CVE-2023-24927](https://patchblox.com/security/data/cve/CVE-2023-24927.md) | High | Microsoft Printer Drivers | 8.8 | 0.0164 | | | [CVE-2023-24928](https://patchblox.com/security/data/cve/CVE-2023-24928.md) | High | Microsoft Printer Drivers | 8.8 | 0.0164 | | | [CVE-2023-24929](https://patchblox.com/security/data/cve/CVE-2023-24929.md) | High | Microsoft Printer Drivers | 8.8 | 0.0164 | | | [CVE-2023-28243](https://patchblox.com/security/data/cve/CVE-2023-28243.md) | High | Microsoft PostScript Printer Driver | 8.8 | 0.0163 | | | [CVE-2023-28247](https://patchblox.com/security/data/cve/CVE-2023-28247.md) | High | Windows Network File System | 7.5 | 0.0159 | | | [CVE-2023-28268](https://patchblox.com/security/data/cve/CVE-2023-28268.md) | High | Windows Netlogon | 8.1 | 0.0149 | | | [CVE-2023-28275](https://patchblox.com/security/data/cve/CVE-2023-28275.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0146 | | | [CVE-2023-28254](https://patchblox.com/security/data/cve/CVE-2023-28254.md) | High | Microsoft Windows DNS | 7.2 | 0.0144 | | | [CVE-2023-28238](https://patchblox.com/security/data/cve/CVE-2023-28238.md) | High | Windows Internet Key Exchange (IKE) Protocol | 7.5 | 0.0088 | | | [CVE-2023-28240](https://patchblox.com/security/data/cve/CVE-2023-28240.md) | High | Windows Network Load Balancing | 8.8 | 0.0075 | | | [CVE-2023-28248](https://patchblox.com/security/data/cve/CVE-2023-28248.md) | High | Windows Kernel | 7.8 | 0.0073 | | | [CVE-2023-28222](https://patchblox.com/security/data/cve/CVE-2023-28222.md) | High | Windows Kernel | 7.1 | 0.0068 | | | [CVE-2023-28237](https://patchblox.com/security/data/cve/CVE-2023-28237.md) | High | Windows Kernel | 7.8 | 0.0059 | | | [CVE-2023-28221](https://patchblox.com/security/data/cve/CVE-2023-28221.md) | High | Windows Error Reporting | 7.0 | 0.0049 | | | [CVE-2023-28272](https://patchblox.com/security/data/cve/CVE-2023-28272.md) | High | Windows Kernel | 7.8 | 0.0049 | | | [CVE-2023-28225](https://patchblox.com/security/data/cve/CVE-2023-28225.md) | High | Windows NTLM | 7.8 | 0.0045 | | | [CVE-2023-28224](https://patchblox.com/security/data/cve/CVE-2023-28224.md) | High | Windows Point-to-Point Protocol over Ethernet (PPPoE) | 7.1 | 0.0039 | | | [CVE-2023-28246](https://patchblox.com/security/data/cve/CVE-2023-28246.md) | High | Windows Registry | 7.8 | 0.0038 | | | [CVE-2023-28216](https://patchblox.com/security/data/cve/CVE-2023-28216.md) | High | Windows ALPC | 7.0 | 0.0037 | | | [CVE-2023-28236](https://patchblox.com/security/data/cve/CVE-2023-28236.md) | High | Windows ALPC | 7.8 | 0.0029 | | | [CVE-2023-28273](https://patchblox.com/security/data/cve/CVE-2023-28273.md) | High | Windows Clip Service | 7.0 | 0.0025 | | | [CVE-2022-43552](https://patchblox.com/security/data/cve/CVE-2022-43552.md) | Routine | Open Source Software | 5.9 | 0.0271 | Disclosed | | [CVE-2023-28267](https://patchblox.com/security/data/cve/CVE-2023-28267.md) | Routine | Windows RDP Client | 6.5 | 0.0209 | | | [CVE-2023-24883](https://patchblox.com/security/data/cve/CVE-2023-24883.md) | Routine | Microsoft Printer Drivers | 6.5 | 0.0146 | | | [CVE-2023-28277](https://patchblox.com/security/data/cve/CVE-2023-28277.md) | Routine | Microsoft Windows DNS | 4.9 | 0.0138 | | | [CVE-2023-21729](https://patchblox.com/security/data/cve/CVE-2023-21729.md) | Routine | Windows RPC API | 4.3 | 0.0135 | | | [CVE-2023-28271](https://patchblox.com/security/data/cve/CVE-2023-28271.md) | Routine | Windows Kernel | 5.5 | 0.0116 | | | [CVE-2023-28223](https://patchblox.com/security/data/cve/CVE-2023-28223.md) | Routine | Microsoft Windows DNS | 6.6 | 0.0113 | | | [CVE-2023-28278](https://patchblox.com/security/data/cve/CVE-2023-28278.md) | Routine | Microsoft Windows DNS | 6.6 | 0.0085 | | | [CVE-2023-28305](https://patchblox.com/security/data/cve/CVE-2023-28305.md) | Routine | Microsoft Windows DNS | 6.6 | 0.0085 | | | [CVE-2023-28306](https://patchblox.com/security/data/cve/CVE-2023-28306.md) | Routine | Microsoft Windows DNS | 6.6 | 0.0085 | | | [CVE-2023-28307](https://patchblox.com/security/data/cve/CVE-2023-28307.md) | Routine | Microsoft Windows DNS | 6.6 | 0.0085 | | | [CVE-2023-28308](https://patchblox.com/security/data/cve/CVE-2023-28308.md) | Routine | Microsoft Windows DNS | 6.6 | 0.0085 | | | [CVE-2023-28255](https://patchblox.com/security/data/cve/CVE-2023-28255.md) | Routine | Microsoft Windows DNS | 6.6 | 0.0084 | | | [CVE-2023-28256](https://patchblox.com/security/data/cve/CVE-2023-28256.md) | Routine | Microsoft Windows DNS | 6.6 | 0.0084 | | | [CVE-2023-28269](https://patchblox.com/security/data/cve/CVE-2023-28269.md) | Routine | Windows Boot Manager | 6.2 | 0.0063 | | | [CVE-2023-28249](https://patchblox.com/security/data/cve/CVE-2023-28249.md) | Routine | Windows Boot Manager | 6.2 | 0.0058 | | | [CVE-2023-28298](https://patchblox.com/security/data/cve/CVE-2023-28298.md) | Routine | Windows Kernel | 5.5 | 0.0057 | | | [CVE-2023-28253](https://patchblox.com/security/data/cve/CVE-2023-28253.md) | Routine | Windows Kernel | 5.5 | 0.0056 | | | [CVE-2023-28270](https://patchblox.com/security/data/cve/CVE-2023-28270.md) | Routine | Windows Lock Screen | 6.8 | 0.0049 | | | [CVE-2023-28276](https://patchblox.com/security/data/cve/CVE-2023-28276.md) | Routine | Windows Group Policy | 4.4 | 0.0046 | | | [CVE-2023-28228](https://patchblox.com/security/data/cve/CVE-2023-28228.md) | Routine | Windows RDP Client | 5.5 | 0.0045 | | --- Data as of 2026-11-07T18:46:35Z UTC. 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