# Security updates released in October 2025 - Web page: https://patchblox.com/security/patch-radar/2025/10 | Platform | Fixes | CVEs | Fixes with exploited CVEs | Patch now | |---|---:|---:|---:|---:| | Microsoft | 62 | 164 | 23 | 23 | | Linux | 3,584 | 2,022 | 40 | 40 | ## Patch Tuesday, October 14, 2025 168 CVEs, 6 Critical, 3 exploited, 2 publicly disclosed, in 47 security updates. ## Microsoft products with the most CVEs fixed | Product | CVEs | Exploited | Patch now | |---|---:|---:|---:| | Windows Server | 131 | 4 | 4 | | Windows 11 | 125 | 3 | 3 | | Windows 10 | 98 | 3 | 3 | | Microsoft Office | 21 | 0 | 0 | | SharePoint Server | 8 | 0 | 0 | | .NET and Visual Studio | 3 | 0 | 0 | | Exchange Server | 3 | 0 | 0 | ## Microsoft updates | Fix | Products | Released | Priority | CVEs | Exploited | Top CVE | |---|---|---|---|---:|---:|---| | [KB5066835](https://patchblox.com/security/data/fix/microsoft/kb5066835.md) | Windows 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 24H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems and 3 more | Oct 14, 2025 | Patch now | 134 | 3 | CVE-2025-24990 | | [KB5066780](https://patchblox.com/security/data/fix/microsoft/kb5066780.md) | Windows Server 2022, 23H2 Edition (Server Core installation) | Oct 14, 2025 | Patch now | 114 | 3 | CVE-2025-24990 | | [KB5066793](https://patchblox.com/security/data/fix/microsoft/kb5066793.md) | Windows 11 Version 22H2 for ARM64-based Systems, Windows 11 Version 22H2 for x64-based Systems, Windows 11 Version 23H2 for ARM64-based Systems and 1 more | Oct 14, 2025 | Patch now | 108 | 3 | CVE-2025-24990 | | [KB5066782](https://patchblox.com/security/data/fix/microsoft/kb5066782.md) | Windows Server 2022, Windows Server 2022 (Server Core installation) | Oct 14, 2025 | Patch now | 103 | 3 | CVE-2025-24990 | | [KB5066586](https://patchblox.com/security/data/fix/microsoft/kb5066586.md) | Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 and 1 more | Oct 14, 2025 | Patch now | 98 | 3 | CVE-2025-24990 | | [KB5066791](https://patchblox.com/security/data/fix/microsoft/kb5066791.md) | Windows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 for ARM64-based Systems, Windows 10 Version 21H2 for x64-based Systems and 3 more | Oct 14, 2025 | Patch now | 98 | 3 | CVE-2025-24990 | | [KB5066836](https://patchblox.com/security/data/fix/microsoft/kb5066836.md) | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1607 for 32-bit Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1607 for x64-based Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2016 and 5 more | Oct 14, 2025 | Patch now | 78 | 3 | CVE-2025-24990 | | [KB5066837](https://patchblox.com/security/data/fix/microsoft/kb5066837.md) | Windows 10 for 32-bit Systems, Windows 10 for x64-based Systems | Oct 14, 2025 | Patch now | 68 | 3 | CVE-2025-24990 | | [KB5066873](https://patchblox.com/security/data/fix/microsoft/kb5066873.md) | Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation) | Oct 14, 2025 | Patch now | 50 | 3 | CVE-2025-24990 | | [KB5066875](https://patchblox.com/security/data/fix/microsoft/kb5066875.md) | Windows Server 2012, Windows Server 2012 (Server Core installation) | Oct 14, 2025 | Patch now | 46 | 3 | CVE-2025-24990 | | [KB5066872](https://patchblox.com/security/data/fix/microsoft/kb5066872.md) | Windows Server 2008 R2 for x64-based Systems Service Pack 1, Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | Oct 14, 2025 | Patch now | 37 | 2 | CVE-2025-24990 | | [KB5066876](https://patchblox.com/security/data/fix/microsoft/kb5066876.md) | Windows Server 2008 R2 for x64-based Systems Service Pack 1, Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | Oct 14, 2025 | Patch now | 37 | 2 | CVE-2025-24990 | | [KB5066874](https://patchblox.com/security/data/fix/microsoft/kb5066874.md) | Windows Server 2008 for 32-bit Systems Service Pack 2, Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation), Windows Server 2008 for x64-based Systems Service Pack 2 and 1 more | Oct 14, 2025 | Patch now | 34 | 2 | CVE-2025-24990 | | [KB5066877](https://patchblox.com/security/data/fix/microsoft/kb5066877.md) | Windows Server 2008 for 32-bit Systems Service Pack 2, Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation), Windows Server 2008 for x64-based Systems Service Pack 2 and 1 more | Oct 14, 2025 | Patch now | 34 | 2 | CVE-2025-24990 | | [KB5070886](https://patchblox.com/security/data/fix/microsoft/kb5070886.md) | Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation) | Oct 23, 2025 | Patch now | 1 | 1 | CVE-2025-59287 | | [KB5070887](https://patchblox.com/security/data/fix/microsoft/kb5070887.md) | Windows Server 2012, Windows Server 2012 (Server Core installation) | Oct 23, 2025 | Patch now | 1 | 1 | CVE-2025-59287 | | [KB5070892](https://patchblox.com/security/data/fix/microsoft/kb5070892.md) | Windows Server 2022, Windows Server 2022 (Server Core installation) | Oct 23, 2025 | Patch now | 1 | 1 | CVE-2025-59287 | | [KB5070893](https://patchblox.com/security/data/fix/microsoft/kb5070893.md) | Windows Server 2025, Windows Server 2025 (Server Core installation) | Oct 23, 2025 | Patch now | 1 | 1 | CVE-2025-59287 | | [KB5070879](https://patchblox.com/security/data/fix/microsoft/kb5070879.md) | Windows Server 2022, 23H2 Edition (Server Core installation) | Oct 23, 2025 | Patch now | 1 | 1 | CVE-2025-59287 | | [KB5070881](https://patchblox.com/security/data/fix/microsoft/kb5070881.md) | Windows Server 2025, Windows Server 2025 (Server Core installation) | Oct 23, 2025 | Patch now | 1 | 1 | CVE-2025-59287 | | [KB5070882](https://patchblox.com/security/data/fix/microsoft/kb5070882.md) | Windows Server 2016, Windows Server 2016 (Server Core installation) | Oct 23, 2025 | Patch now | 1 | 1 | CVE-2025-59287 | | [KB5070883](https://patchblox.com/security/data/fix/microsoft/kb5070883.md) | Windows Server 2019, Windows Server 2019 (Server Core installation) | Oct 23, 2025 | Patch now | 1 | 1 | CVE-2025-59287 | | [KB5070884](https://patchblox.com/security/data/fix/microsoft/kb5070884.md) | Windows Server 2022, Windows Server 2022 (Server Core installation) | Oct 23, 2025 | Patch now | 1 | 1 | CVE-2025-59287 | | [KB5002797](https://patchblox.com/security/data/fix/microsoft/kb5002797.md) | Office Online Server | Oct 14, 2025 | Urgent | 8 | 0 | CVE-2025-59236 | | [KB5002792](https://patchblox.com/security/data/fix/microsoft/kb5002792.md) | Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition) | Oct 15, 2025 | Urgent | 2 | 0 | CVE-2025-59234 | | [KB5002763](https://patchblox.com/security/data/fix/microsoft/kb5002763.md) | Microsoft Word 2016 (32-bit edition), Microsoft Word 2016 (64-bit edition) | Oct 16, 2025 | Urgent | 3 | 0 | CVE-2025-53733 | | [KB5002770](https://patchblox.com/security/data/fix/microsoft/kb5002770.md) | Microsoft SharePoint Server 2019 | Oct 16, 2025 | Urgent | 2 | 0 | CVE-2025-53733 | | [KB5002772](https://patchblox.com/security/data/fix/microsoft/kb5002772.md) | Microsoft SharePoint Enterprise Server 2016 | Oct 16, 2025 | Urgent | 2 | 0 | CVE-2025-53733 | | [KB5068331](https://patchblox.com/security/data/fix/microsoft/kb5068331.md) | .NET 8.0 runtime installed on Linux, .NET 8.0 runtime installed on Mac OS, .NET 8.0 runtime installed on Windows and 1 more | Oct 14, 2025 | High | 3 | 0 | CVE-2025-55315 | | [KB5068332](https://patchblox.com/security/data/fix/microsoft/kb5068332.md) | .NET 9.0 runtime installed on Linux, .NET 9.0 runtime installed on Mac OS, .NET 9.0 runtime installed on Windows and 1 more | Oct 14, 2025 | High | 3 | 0 | CVE-2025-55315 | | [KB5002788](https://patchblox.com/security/data/fix/microsoft/kb5002788.md) | Microsoft SharePoint Enterprise Server 2016 | Oct 14, 2025 | High | 6 | 0 | CVE-2025-59237 | | [KB5002796](https://patchblox.com/security/data/fix/microsoft/kb5002796.md) | Microsoft SharePoint Server 2019 | Oct 14, 2025 | High | 6 | 0 | CVE-2025-59237 | | [KB5002786](https://patchblox.com/security/data/fix/microsoft/kb5002786.md) | Microsoft SharePoint Server Subscription Edition | Oct 14, 2025 | High | 2 | 0 | CVE-2025-59237 | | [KB5066840](https://patchblox.com/security/data/fix/microsoft/kb5066840.md) | Windows Server 2008 R2 for x64-based Systems Service Pack 1, Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation), Windows Server 2008 for 32-bit Systems Service Pack 2 and 7 more | Oct 14, 2025 | High | 3 | 0 | CVE-2025-59295 | | [KB5066366](https://patchblox.com/security/data/fix/microsoft/kb5066366.md) | Microsoft Exchange Server Subscription Edition RTM | Oct 14, 2025 | High | 3 | 0 | CVE-2025-59248 | | [KB5066367](https://patchblox.com/security/data/fix/microsoft/kb5066367.md) | Microsoft Exchange Server 2019 Cumulative Update 15 | Oct 14, 2025 | High | 3 | 0 | CVE-2025-59248 | | [KB5066368](https://patchblox.com/security/data/fix/microsoft/kb5066368.md) | Microsoft Exchange Server 2019 Cumulative Update 14 | Oct 14, 2025 | High | 3 | 0 | CVE-2025-59248 | | [KB5066369](https://patchblox.com/security/data/fix/microsoft/kb5066369.md) | Microsoft Exchange Server 2016 Cumulative Update 23 | Oct 14, 2025 | High | 3 | 0 | CVE-2025-59248 | | [KB5066128](https://patchblox.com/security/data/fix/microsoft/kb5066128.md) | Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 25H2 for ARM64-based Systems, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 25H2 for x64-based Systems | Oct 14, 2025 | High | 1 | 0 | CVE-2025-55248 | | [KB5066129](https://patchblox.com/security/data/fix/microsoft/kb5066129.md) | Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022, 23H2 Edition (Server Core installation) | Oct 14, 2025 | High | 1 | 0 | CVE-2025-55248 | | [KB5066131](https://patchblox.com/security/data/fix/microsoft/kb5066131.md) | Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 24H2 for ARM64-based Systems, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 24H2 for x64-based Systems | Oct 14, 2025 | High | 1 | 0 | CVE-2025-55248 | | [KB5066133](https://patchblox.com/security/data/fix/microsoft/kb5066133.md) | Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 22H2 for ARM64-based Systems, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 22H2 for x64-based Systems, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 23H2 for ARM64-based Systems and 1 more | Oct 14, 2025 | High | 1 | 0 | CVE-2025-55248 | | [KB5066136](https://patchblox.com/security/data/fix/microsoft/kb5066136.md) | Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems, Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems, Microsoft .NET Framework 4.8 on Windows Server 2016 and 1 more | Oct 14, 2025 | High | 1 | 0 | CVE-2025-55248 | | [KB5066738](https://patchblox.com/security/data/fix/microsoft/kb5066738.md) | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 and 5 more | Oct 14, 2025 | High | 1 | 0 | CVE-2025-55248 | | [KB5066739](https://patchblox.com/security/data/fix/microsoft/kb5066739.md) | Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1, Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation), Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 and 1 more | Oct 14, 2025 | High | 1 | 0 | CVE-2025-55248 | | [KB5066740](https://patchblox.com/security/data/fix/microsoft/kb5066740.md) | Microsoft .NET Framework 3.5 on Windows Server 2012, Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation), Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 and 3 more | Oct 14, 2025 | High | 1 | 0 | CVE-2025-55248 | | [KB5066741](https://patchblox.com/security/data/fix/microsoft/kb5066741.md) | Microsoft .NET Framework 3.5 on Windows Server 2012 R2, Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation), Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 and 3 more | Oct 14, 2025 | High | 1 | 0 | CVE-2025-55248 | | [KB5066742](https://patchblox.com/security/data/fix/microsoft/kb5066742.md) | Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2, Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2, Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 and 9 more | Oct 14, 2025 | High | 1 | 0 | CVE-2025-55248 | | [KB5066743](https://patchblox.com/security/data/fix/microsoft/kb5066743.md) | Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022, Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 (Server Core installation), Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022 and 1 more | Oct 14, 2025 | High | 1 | 0 | CVE-2025-55248 | | [KB5066746](https://patchblox.com/security/data/fix/microsoft/kb5066746.md) | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for 32-bit Systems, Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for ARM64-based Systems, Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for x64-based Systems and 3 more | Oct 14, 2025 | High | 1 | 0 | CVE-2025-55248 | | [KB5066747](https://patchblox.com/security/data/fix/microsoft/kb5066747.md) | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for 32-bit Systems, Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for ARM64-based Systems, Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for x64-based Systems and 3 more | Oct 14, 2025 | High | 1 | 0 | CVE-2025-55248 | | [KB5002794](https://patchblox.com/security/data/fix/microsoft/kb5002794.md) | Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition) | Oct 14, 2025 | High | 7 | 0 | CVE-2025-59235 | | [KB5002341](https://patchblox.com/security/data/fix/microsoft/kb5002341.md) | Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition) | Oct 14, 2025 | High | 2 | 0 | CVE-2025-59235 | | [KB5002719](https://patchblox.com/security/data/fix/microsoft/kb5002719.md) | Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition) | Oct 14, 2025 | High | 2 | 0 | CVE-2025-59235 | | [KB5002720](https://patchblox.com/security/data/fix/microsoft/kb5002720.md) | Microsoft Access 2016 (32-bit edition), Microsoft Access 2016 (64-bit edition) | Oct 14, 2025 | High | 2 | 0 | CVE-2025-59235 | | [KB5002757](https://patchblox.com/security/data/fix/microsoft/kb5002757.md) | Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition) | Oct 14, 2025 | High | 2 | 0 | CVE-2025-59235 | | [KB5002752](https://patchblox.com/security/data/fix/microsoft/kb5002752.md) | Office Online Server | Oct 16, 2025 | High | 5 | 0 | CVE-2025-53739 | | [KB5002758](https://patchblox.com/security/data/fix/microsoft/kb5002758.md) | Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition) | Oct 16, 2025 | High | 4 | 0 | CVE-2025-53739 | | [KB5002787](https://patchblox.com/security/data/fix/microsoft/kb5002787.md) | Microsoft SharePoint Enterprise Server 2016 | Oct 14, 2025 | High | 2 | 0 | CVE-2025-59222 | | [KB5002789](https://patchblox.com/security/data/fix/microsoft/kb5002789.md) | Microsoft Word 2016 (32-bit edition), Microsoft Word 2016 (64-bit edition) | Oct 14, 2025 | High | 2 | 0 | CVE-2025-59222 | | [KB5002798](https://patchblox.com/security/data/fix/microsoft/kb5002798.md) | Microsoft SharePoint Server 2019 | Oct 14, 2025 | High | 2 | 0 | CVE-2025-59222 | | [KB5002790](https://patchblox.com/security/data/fix/microsoft/kb5002790.md) | Microsoft PowerPoint 2016 (32-bit edition), Microsoft PowerPoint 2016 (64-bit edition) | Oct 14, 2025 | High | 1 | 0 | CVE-2025-59238 | ## Linux, by distribution | Distribution | Fixes | CVEs | Fixes with exploited CVEs | Patch now | |---|---:|---:|---:|---:| | Ubuntu | 2,033 | 112 | 0 | 0 | | Debian | 856 | 827 | 1 | 1 | | rocky | 331 | 472 | 14 | 14 | | sles | 116 | 658 | 8 | 8 | | Red Hat | 82 | 127 | 4 | 4 | | ol | 65 | 278 | 6 | 6 | | almalinux | 45 | 61 | 4 | 4 | | amzn | 43 | 135 | 3 | 3 | | opensuse-leap | 9 | 16 | 0 | 0 | | Fedora | 4 | 5 | 0 | 0 | ## Most urgent Linux advisories | Fix | Products | Released | Priority | CVEs | Exploited | Top CVE | |---|---|---|---|---:|---:|---| | [RLSA-2025:7497](https://patchblox.com/security/data/fix/linux/rlsa-2025-7497.md) | tomcat on rocky 10 | Oct 3, 2025 | Patch now | 3 | 1 | CVE-2025-24813 | | [RLSA-2025:7494](https://patchblox.com/security/data/fix/linux/rlsa-2025-7494.md) | tomcat9 on rocky 10 | Oct 3, 2025 | Patch now | 1 | 1 | CVE-2025-24813 | | [RLSA-2025:11537](https://patchblox.com/security/data/fix/linux/rlsa-2025-11537.md) | sudo on rocky 10 | Oct 3, 2025 | Patch now | 2 | 1 | CVE-2025-32463 | | [RLSA-2025:13782](https://patchblox.com/security/data/fix/linux/rlsa-2025-13782.md) | webkit2gtk3 on rocky 9 | Oct 4, 2025 | Patch now | 9 | 1 | CVE-2025-6558 | | [ALAS2023-2025-1254](https://patchblox.com/security/data/fix/linux/alas2023-2025-1254.md) | bpftool6.12, bpftool6.12-debuginfo, kernel-livepatch-6.12.53-69.119 and 19 more on amzn 2023 | Oct 27, 2025 | Patch now | 48 | 1 | CVE-2025-39964 | | [ALAS2023-2025-1223](https://patchblox.com/security/data/fix/linux/alas2023-2025-1223.md) | bpftool, bpftool-debuginfo, kernel and 19 more on amzn 2023 | Oct 14, 2025 | Patch now | 21 | 1 | CVE-2025-39964 | | [ELSA-2025-20719](https://patchblox.com/security/data/fix/linux/elsa-2025-20719.md) | kernel-uek, kernel-uek-core, kernel-uek-debug and 32 more on ol 10, ol 9 | Oct 24, 2025 | Patch now | 7 | 1 | CVE-2025-39964 | | [RLSA-2025:17428](https://patchblox.com/security/data/fix/linux/rlsa-2025-17428.md) | open-vm-tools on rocky 9 | Oct 18, 2025 | Patch now | 1 | 1 | CVE-2025-41244 | | [ALAS2023-2025-1226](https://patchblox.com/security/data/fix/linux/alas2023-2025-1226.md) | open-vm-tools, open-vm-tools-debuginfo, open-vm-tools-debugsource and 8 more on amzn 2023 | Oct 14, 2025 | Patch now | 1 | 1 | CVE-2025-41244 | | [SUSE-SU-2025:03535-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-03535-1.md) | open-vm-tools on opensuse-leap 15.6, sles 15.6, sles 15.7 | Oct 10, 2025 | Patch now | 1 | 1 | CVE-2025-41244 | --- Data as of 2026-11-07T06:34:28Z 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