# KB5066780: October 2025 cumulative update for Windows Server 23H2 KB5066780, released October 14, 2025, fixes 114 CVEs in Windows Server 2022, 23H2 Edition (Server Core installation) (build 25398.1913). 3 of them are being exploited (CVE-2025-24990); 3 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported. - Web page: https://patchblox.com/security/fix/microsoft/kb5066780 - Platform: Microsoft - Released: Oct 14, 2025 - Priority: Patch now (Closes CVE-2025-24990, exploited (CISA KEV)) - CVEs: 114, exploited: 3, on CISA KEV: 3 - Vendor advisory: https://support.microsoft.com/help/5066780 ## Applies to | Product | Release | Fixed in | |---|---|---| | [Windows Server 2022, 23H2 Edition (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2022-23h2-edition-server-core-installation.md) | | 25398.1913 | ## CVEs this fix closes | CVE | Priority | Component | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2025-24990](https://patchblox.com/security/data/cve/CVE-2025-24990.md) | Patch now | Agere Windows Modem Driver | 7.8 | 0.0651 | CISA KEV | | [CVE-2025-47827](https://patchblox.com/security/data/cve/CVE-2025-47827.md) | Patch now | Windows Secure Boot | 4.6 | 0.0515 | CISA KEV | | [CVE-2025-59230](https://patchblox.com/security/data/cve/CVE-2025-59230.md) | Patch now | Windows Remote Access Connection Manager | 7.8 | 0.0272 | CISA KEV | | [CVE-2025-55681](https://patchblox.com/security/data/cve/CVE-2025-55681.md) | Urgent | Windows DWM | 7.0 | 0.0550 | More likely | | [CVE-2016-9535](https://patchblox.com/security/data/cve/CVE-2016-9535.md) | Urgent | Microsoft Graphics Component | 4.0 | 0.0473 | | | [CVE-2025-59199](https://patchblox.com/security/data/cve/CVE-2025-59199.md) | Urgent | Software Protection Platform (SPP) | 7.8 | 0.0455 | More likely | | [CVE-2025-55692](https://patchblox.com/security/data/cve/CVE-2025-55692.md) | Urgent | Windows Error Reporting | 7.8 | 0.0363 | More likely | | [CVE-2025-55694](https://patchblox.com/security/data/cve/CVE-2025-55694.md) | Urgent | Windows Error Reporting | 7.8 | 0.0325 | More likely | | [CVE-2025-59194](https://patchblox.com/security/data/cve/CVE-2025-59194.md) | Urgent | Windows Kernel | 7.0 | 0.0285 | More likely | | [CVE-2025-24052](https://patchblox.com/security/data/cve/CVE-2025-24052.md) | Urgent | Agere Windows Modem Driver | 7.8 | 0.0254 | Disclosed | | [CVE-2025-58722](https://patchblox.com/security/data/cve/CVE-2025-58722.md) | Urgent | Windows DWM | 7.8 | 0.0234 | More likely | | [CVE-2025-48004](https://patchblox.com/security/data/cve/CVE-2025-48004.md) | Urgent | Microsoft Brokering File System | 7.4 | 0.0223 | More likely | | [CVE-2025-49708](https://patchblox.com/security/data/cve/CVE-2025-49708.md) | Urgent | Microsoft Graphics Component | 9.9 | 0.0126 | | | [CVE-2025-55680](https://patchblox.com/security/data/cve/CVE-2025-55680.md) | Urgent | Windows Cloud Files Mini Filter Driver | 7.8 | 0.0044 | More likely | | [CVE-2025-59295](https://patchblox.com/security/data/cve/CVE-2025-59295.md) | High | Internet Explorer | 8.8 | 0.0190 | | | [CVE-2025-54957](https://patchblox.com/security/data/cve/CVE-2025-54957.md) | High | Microsoft Windows Codecs Library | 7.0 | 0.0160 | | | [CVE-2025-59254](https://patchblox.com/security/data/cve/CVE-2025-59254.md) | High | Windows DWM Core Library | 7.8 | 0.0114 | | | [CVE-2025-58726](https://patchblox.com/security/data/cve/CVE-2025-58726.md) | High | Windows SMB Server | 7.5 | 0.0104 | | | [CVE-2025-55326](https://patchblox.com/security/data/cve/CVE-2025-55326.md) | High | Connected Devices Platform Service (Cdpsvc) | 7.5 | 0.0084 | | | [CVE-2025-59200](https://patchblox.com/security/data/cve/CVE-2025-59200.md) | High | Data Sharing Service Client | 7.7 | 0.0081 | | | [CVE-2025-59282](https://patchblox.com/security/data/cve/CVE-2025-59282.md) | High | Inbox COM Objects | 7.0 | 0.0061 | | | [CVE-2025-58718](https://patchblox.com/security/data/cve/CVE-2025-58718.md) | High | Remote Desktop Client | 8.8 | 0.0060 | | | [CVE-2025-59208](https://patchblox.com/security/data/cve/CVE-2025-59208.md) | High | Windows MapUrlToZone | 7.1 | 0.0050 | | | [CVE-2025-25004](https://patchblox.com/security/data/cve/CVE-2025-25004.md) | High | Microsoft PowerShell | 7.3 | 0.0049 | | | [CVE-2025-58732](https://patchblox.com/security/data/cve/CVE-2025-58732.md) | High | Inbox COM Objects | 7.0 | 0.0047 | | | [CVE-2025-58735](https://patchblox.com/security/data/cve/CVE-2025-58735.md) | High | Inbox COM Objects | 7.0 | 0.0047 | | | [CVE-2025-59201](https://patchblox.com/security/data/cve/CVE-2025-59201.md) | High | Network Connection Status Indicator (NCSI) | 7.8 | 0.0046 | | | [CVE-2025-64679](https://patchblox.com/security/data/cve/CVE-2025-64679.md) | High | Windows DWM Core Library | 7.8 | 0.0045 | | | [CVE-2025-55339](https://patchblox.com/security/data/cve/CVE-2025-55339.md) | High | Windows NDIS | 7.8 | 0.0043 | | | [CVE-2025-50152](https://patchblox.com/security/data/cve/CVE-2025-50152.md) | High | Windows Kernel | 7.8 | 0.0043 | | | [CVE-2025-50175](https://patchblox.com/security/data/cve/CVE-2025-50175.md) | High | Windows Digital Media | 7.8 | 0.0043 | | | [CVE-2025-58728](https://patchblox.com/security/data/cve/CVE-2025-58728.md) | High | Windows Bluetooth Service | 7.8 | 0.0043 | | | [CVE-2025-59207](https://patchblox.com/security/data/cve/CVE-2025-59207.md) | High | Windows Kernel | 7.8 | 0.0043 | | | [CVE-2025-59255](https://patchblox.com/security/data/cve/CVE-2025-59255.md) | High | Windows DWM Core Library | 7.8 | 0.0043 | | | [CVE-2025-55701](https://patchblox.com/security/data/cve/CVE-2025-55701.md) | High | Microsoft Windows | 7.8 | 0.0041 | | | [CVE-2025-59242](https://patchblox.com/security/data/cve/CVE-2025-59242.md) | High | Windows Ancillary Function Driver for WinSock | 7.8 | 0.0041 | | | [CVE-2025-58715](https://patchblox.com/security/data/cve/CVE-2025-58715.md) | High | Microsoft Windows Speech | 8.8 | 0.0040 | | | [CVE-2025-58716](https://patchblox.com/security/data/cve/CVE-2025-58716.md) | High | Microsoft Windows Speech | 8.8 | 0.0040 | | | [CVE-2025-59277](https://patchblox.com/security/data/cve/CVE-2025-59277.md) | High | Windows Authentication Methods | 7.8 | 0.0039 | | | [CVE-2025-64680](https://patchblox.com/security/data/cve/CVE-2025-64680.md) | High | Windows DWM Core Library | 7.8 | 0.0037 | | | [CVE-2025-55697](https://patchblox.com/security/data/cve/CVE-2025-55697.md) | High | Azure Local | 7.8 | 0.0036 | | | [CVE-2025-55331](https://patchblox.com/security/data/cve/CVE-2025-55331.md) | High | Windows PrintWorkflowUserSvc | 7.0 | 0.0035 | | | [CVE-2025-55685](https://patchblox.com/security/data/cve/CVE-2025-55685.md) | High | Windows PrintWorkflowUserSvc | 7.0 | 0.0035 | | | [CVE-2025-55686](https://patchblox.com/security/data/cve/CVE-2025-55686.md) | High | Windows PrintWorkflowUserSvc | 7.0 | 0.0035 | | | [CVE-2025-55689](https://patchblox.com/security/data/cve/CVE-2025-55689.md) | High | Windows PrintWorkflowUserSvc | 7.0 | 0.0035 | | | [CVE-2025-58737](https://patchblox.com/security/data/cve/CVE-2025-58737.md) | High | Windows Remote Desktop | 7.0 | 0.0035 | | | [CVE-2025-59202](https://patchblox.com/security/data/cve/CVE-2025-59202.md) | High | Windows Remote Desktop Services | 7.0 | 0.0035 | | | [CVE-2025-58730](https://patchblox.com/security/data/cve/CVE-2025-58730.md) | High | Inbox COM Objects | 7.0 | 0.0035 | | | [CVE-2025-58731](https://patchblox.com/security/data/cve/CVE-2025-58731.md) | High | Inbox COM Objects | 7.0 | 0.0035 | | | [CVE-2025-58733](https://patchblox.com/security/data/cve/CVE-2025-58733.md) | High | Inbox COM Objects | 7.0 | 0.0035 | | | [CVE-2025-58734](https://patchblox.com/security/data/cve/CVE-2025-58734.md) | High | Inbox COM Objects | 7.0 | 0.0035 | | | [CVE-2025-58736](https://patchblox.com/security/data/cve/CVE-2025-58736.md) | High | Inbox COM Objects | 7.0 | 0.0035 | | | [CVE-2025-58738](https://patchblox.com/security/data/cve/CVE-2025-58738.md) | High | Inbox COM Objects | 7.0 | 0.0035 | | | [CVE-2025-53150](https://patchblox.com/security/data/cve/CVE-2025-53150.md) | High | Windows Digital Media | 7.8 | 0.0032 | | | [CVE-2025-59191](https://patchblox.com/security/data/cve/CVE-2025-59191.md) | High | Connected Devices Platform Service (Cdpsvc) | 7.8 | 0.0032 | | | [CVE-2025-55340](https://patchblox.com/security/data/cve/CVE-2025-55340.md) | High | Windows Remote Desktop Protocol | 7.0 | 0.0031 | | | [CVE-2025-59187](https://patchblox.com/security/data/cve/CVE-2025-59187.md) | High | Windows Kernel | 7.8 | 0.0031 | | | [CVE-2025-59192](https://patchblox.com/security/data/cve/CVE-2025-59192.md) | High | Storport.sys Driver | 7.8 | 0.0030 | | | [CVE-2025-55678](https://patchblox.com/security/data/cve/CVE-2025-55678.md) | High | Windows DirectX | 7.0 | 0.0030 | | | [CVE-2025-59275](https://patchblox.com/security/data/cve/CVE-2025-59275.md) | High | Windows Authentication Methods | 7.8 | 0.0028 | | | [CVE-2025-59278](https://patchblox.com/security/data/cve/CVE-2025-59278.md) | High | Windows Authentication Methods | 7.8 | 0.0028 | | | [CVE-2025-58714](https://patchblox.com/security/data/cve/CVE-2025-58714.md) | High | Windows Ancillary Function Driver for WinSock | 7.8 | 0.0028 | | | [CVE-2025-55328](https://patchblox.com/security/data/cve/CVE-2025-55328.md) | High | Windows Hyper-V | 7.8 | 0.0027 | | | [CVE-2025-55335](https://patchblox.com/security/data/cve/CVE-2025-55335.md) | High | Windows NTFS | 7.4 | 0.0027 | | | [CVE-2025-55687](https://patchblox.com/security/data/cve/CVE-2025-55687.md) | High | Windows Resilient File System (ReFS) | 7.4 | 0.0027 | | | [CVE-2025-59196](https://patchblox.com/security/data/cve/CVE-2025-59196.md) | High | Windows SSDP Service | 7.0 | 0.0027 | | | [CVE-2025-58725](https://patchblox.com/security/data/cve/CVE-2025-58725.md) | High | Windows COM | 7.0 | 0.0026 | | | [CVE-2025-59195](https://patchblox.com/security/data/cve/CVE-2025-59195.md) | High | Microsoft Graphics Component | 7.0 | 0.0025 | | | [CVE-2025-55696](https://patchblox.com/security/data/cve/CVE-2025-55696.md) | High | NtQueryInformation Token function (ntifs.h) | 7.8 | 0.0023 | | | [CVE-2025-58720](https://patchblox.com/security/data/cve/CVE-2025-58720.md) | High | Windows Cryptographic Services | 7.8 | 0.0021 | | | [CVE-2025-58727](https://patchblox.com/security/data/cve/CVE-2025-58727.md) | High | Windows Connected Devices Platform Service | 7.0 | 0.0020 | | | [CVE-2025-59205](https://patchblox.com/security/data/cve/CVE-2025-59205.md) | High | Microsoft Graphics Component | 7.0 | 0.0020 | | | [CVE-2025-59193](https://patchblox.com/security/data/cve/CVE-2025-59193.md) | High | Windows Management Services | 7.0 | 0.0020 | | | [CVE-2025-59261](https://patchblox.com/security/data/cve/CVE-2025-59261.md) | High | Microsoft Graphics Component | 7.0 | 0.0020 | | | [CVE-2025-55338](https://patchblox.com/security/data/cve/CVE-2025-55338.md) | Routine | Windows BitLocker | 6.1 | 0.0307 | | | [CVE-2025-59214](https://patchblox.com/security/data/cve/CVE-2025-59214.md) | Routine | Windows File Explorer | 6.5 | 0.0186 | | | [CVE-2025-59257](https://patchblox.com/security/data/cve/CVE-2025-59257.md) | Routine | Windows Local Session Manager (LSM) | 6.5 | 0.0154 | | | [CVE-2025-59259](https://patchblox.com/security/data/cve/CVE-2025-59259.md) | Routine | Windows Local Session Manager (LSM) | 6.5 | 0.0154 | | | [CVE-2025-59185](https://patchblox.com/security/data/cve/CVE-2025-59185.md) | Routine | Windows Core Shell | 6.5 | 0.0114 | | | [CVE-2025-58729](https://patchblox.com/security/data/cve/CVE-2025-58729.md) | Routine | Windows Local Session Manager (LSM) | 6.5 | 0.0108 | | | [CVE-2025-55700](https://patchblox.com/security/data/cve/CVE-2025-55700.md) | Routine | Windows Routing and Remote Access Service (RRAS) | 6.5 | 0.0097 | | | [CVE-2025-58717](https://patchblox.com/security/data/cve/CVE-2025-58717.md) | Routine | Windows Routing and Remote Access Service (RRAS) | 6.5 | 0.0097 | | | [CVE-2025-55333](https://patchblox.com/security/data/cve/CVE-2025-55333.md) | Routine | Windows BitLocker | 6.1 | 0.0085 | | | [CVE-2025-58739](https://patchblox.com/security/data/cve/CVE-2025-58739.md) | Routine | Windows File Explorer | 6.5 | 0.0082 | | | [CVE-2025-59244](https://patchblox.com/security/data/cve/CVE-2025-59244.md) | Routine | Windows Core Shell | 6.5 | 0.0082 | | | [CVE-2025-59294](https://patchblox.com/security/data/cve/CVE-2025-59294.md) | Routine | Windows Taskbar Live | 2.1 | 0.0063 | | | [CVE-2025-59186](https://patchblox.com/security/data/cve/CVE-2025-59186.md) | Routine | Windows Kernel | 5.5 | 0.0063 | | | [CVE-2025-55336](https://patchblox.com/security/data/cve/CVE-2025-55336.md) | Routine | Windows Cloud Files Mini Filter Driver | 5.5 | 0.0062 | | | [CVE-2025-59211](https://patchblox.com/security/data/cve/CVE-2025-59211.md) | Routine | Windows Push Notification Core | 5.5 | 0.0062 | | | [CVE-2025-47979](https://patchblox.com/security/data/cve/CVE-2025-47979.md) | Routine | Windows Failover Cluster | 5.5 | 0.0062 | | | [CVE-2025-59258](https://patchblox.com/security/data/cve/CVE-2025-59258.md) | Routine | Active Directory Federation Services | 6.2 | 0.0060 | | | [CVE-2025-55330](https://patchblox.com/security/data/cve/CVE-2025-55330.md) | Routine | Windows BitLocker | 6.1 | 0.0057 | | | [CVE-2025-55332](https://patchblox.com/security/data/cve/CVE-2025-55332.md) | Routine | Windows BitLocker | 6.1 | 0.0057 | | | [CVE-2025-55683](https://patchblox.com/security/data/cve/CVE-2025-55683.md) | Routine | Windows Kernel | 5.5 | 0.0056 | | | [CVE-2025-62208](https://patchblox.com/security/data/cve/CVE-2025-62208.md) | Routine | Windows License Manager | 5.5 | 0.0055 | | | [CVE-2025-62209](https://patchblox.com/security/data/cve/CVE-2025-62209.md) | Routine | Windows License Manager | 5.5 | 0.0055 | | | [CVE-2025-55699](https://patchblox.com/security/data/cve/CVE-2025-55699.md) | Routine | Windows Kernel | 5.5 | 0.0054 | | | [CVE-2025-55325](https://patchblox.com/security/data/cve/CVE-2025-55325.md) | Routine | Windows Storage Management Provider | 5.5 | 0.0053 | | | [CVE-2025-59204](https://patchblox.com/security/data/cve/CVE-2025-59204.md) | Routine | Windows Management Services | 5.5 | 0.0053 | | | [CVE-2025-59190](https://patchblox.com/security/data/cve/CVE-2025-59190.md) | Routine | Microsoft Windows Search Component | 5.5 | 0.0050 | | | [CVE-2025-59198](https://patchblox.com/security/data/cve/CVE-2025-59198.md) | Routine | Microsoft Windows Search Component | 5.0 | 0.0049 | | | [CVE-2025-59209](https://patchblox.com/security/data/cve/CVE-2025-59209.md) | Routine | Windows Push Notification Core | 5.5 | 0.0048 | | | [CVE-2025-55679](https://patchblox.com/security/data/cve/CVE-2025-55679.md) | Routine | Windows Kernel | 5.1 | 0.0047 | | | [CVE-2025-59197](https://patchblox.com/security/data/cve/CVE-2025-59197.md) | Routine | Windows ETL Channel | 5.5 | 0.0046 | | | [CVE-2025-59203](https://patchblox.com/security/data/cve/CVE-2025-59203.md) | Routine | Windows StateRepository API | 5.5 | 0.0046 | | | [CVE-2025-59280](https://patchblox.com/security/data/cve/CVE-2025-59280.md) | Routine | Windows SMB Client | 3.1 | 0.0045 | | | [CVE-2025-59184](https://patchblox.com/security/data/cve/CVE-2025-59184.md) | Routine | Windows High Availability Services | 5.5 | 0.0044 | | | [CVE-2025-59188](https://patchblox.com/security/data/cve/CVE-2025-59188.md) | Routine | Windows Failover Cluster | 5.5 | 0.0044 | | | [CVE-2025-55695](https://patchblox.com/security/data/cve/CVE-2025-55695.md) | Routine | Windows WLAN Auto Config Service | 5.5 | 0.0042 | | | [CVE-2025-59260](https://patchblox.com/security/data/cve/CVE-2025-59260.md) | Routine | Microsoft Failover Cluster Virtual Driver | 5.5 | 0.0041 | | | [CVE-2025-58719](https://patchblox.com/security/data/cve/CVE-2025-58719.md) | Routine | Connected Devices Platform Service (Cdpsvc) | 4.7 | 0.0041 | | | [CVE-2025-59253](https://patchblox.com/security/data/cve/CVE-2025-59253.md) | Routine | Microsoft Windows Search Component | 5.5 | 0.0035 | | | [CVE-2025-2884](https://patchblox.com/security/data/cve/CVE-2025-2884.md) | Routine | TCG TPM2.0 | 5.3 | 0.0026 | Disclosed | | [CVE-2025-48813](https://patchblox.com/security/data/cve/CVE-2025-48813.md) | Routine | Virtual Secure Mode | 6.3 | 0.0026 | | --- Data as of 2026-11-07T12:40:37Z 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 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.