# KB5066874: October 2025 security update KB5066874, released October 14, 2025, fixes 34 CVEs across 4 products. 2 of them are being exploited (CVE-2025-24990); 2 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported. - Web page: https://patchblox.com/security/fix/microsoft/kb5066874 - Platform: Microsoft - Released: Oct 14, 2025 - Priority: Patch now (Closes CVE-2025-24990, exploited (CISA KEV)) - CVEs: 34, exploited: 2, on CISA KEV: 2 - Vendor advisory: https://support.microsoft.com/help/5066874 ## Applies to | Product | Release | Fixed in | |---|---|---| | [Windows Server 2008 for 32-bit Systems Service Pack 2](https://patchblox.com/security/data/product/microsoft/windows-server-2008-for-32-bit-systems-service-pack-2.md) | | | | [Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2008-for-32-bit-systems-service-pack-2-server-core-installation.md) | | | | [Windows Server 2008 for x64-based Systems Service Pack 2](https://patchblox.com/security/data/product/microsoft/windows-server-2008-for-x64-based-systems-service-pack-2.md) | | | | [Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2008-for-x64-based-systems-service-pack-2-server-core-installation.md) | | | ## 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-2025-59230](https://patchblox.com/security/data/cve/CVE-2025-59230.md) | Patch now | Windows Remote Access Connection Manager | 7.8 | 0.0272 | CISA KEV | | [CVE-2016-9535](https://patchblox.com/security/data/cve/CVE-2016-9535.md) | Urgent | Microsoft Graphics Component | 4.0 | 0.0473 | | | [CVE-2025-24052](https://patchblox.com/security/data/cve/CVE-2025-24052.md) | Urgent | Agere Windows Modem Driver | 7.8 | 0.0254 | Disclosed | | [CVE-2025-59295](https://patchblox.com/security/data/cve/CVE-2025-59295.md) | High | Internet Explorer | 8.8 | 0.0190 | | | [CVE-2025-58726](https://patchblox.com/security/data/cve/CVE-2025-58726.md) | High | Windows SMB Server | 7.5 | 0.0104 | | | [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-2025-58735](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-2025-55701](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-2025-59277](https://patchblox.com/security/data/cve/CVE-2025-59277.md) | High | Windows Authentication Methods | 7.8 | 0.0039 | | | [CVE-2025-58733](https://patchblox.com/security/data/cve/CVE-2025-58733.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-2025-59187](https://patchblox.com/security/data/cve/CVE-2025-59187.md) | High | Windows Kernel | 7.8 | 0.0031 | | | [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-2025-55335](https://patchblox.com/security/data/cve/CVE-2025-55335.md) | High | Windows NTFS | 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-2025-59205](https://patchblox.com/security/data/cve/CVE-2025-59205.md) | High | Microsoft Graphics Component | 7.0 | 0.0020 | | | [CVE-2025-59214](https://patchblox.com/security/data/cve/CVE-2025-59214.md) | Routine | Windows File Explorer | 6.5 | 0.0186 | | | [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-2025-58739](https://patchblox.com/security/data/cve/CVE-2025-58739.md) | Routine | Windows File Explorer | 6.5 | 0.0082 | | | [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-2025-59280](https://patchblox.com/security/data/cve/CVE-2025-59280.md) | Routine | Windows SMB Client | 3.1 | 0.0045 | | | [CVE-2025-55695](https://patchblox.com/security/data/cve/CVE-2025-55695.md) | Routine | Windows WLAN Auto Config Service | 5.5 | 0.0042 | | --- 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.