# Security updates released in October 2026 - Web page: https://patchblox.com/security/patch-radar/2026/10 | Platform | Fixes | CVEs | Fixes with exploited CVEs | Patch now | |---|---:|---:|---:|---:| | Microsoft | 58 | 1,258 | 12 | 12 | | macOS | 2 | 205 | 0 | 0 | | Linux | 5,389 | 6,059 | 225 | 225 | ## Patch Tuesday, October 13, 2026 1,420 CVEs, 80 Critical, 1 exploited, 2 publicly disclosed, in 51 security updates. ## Microsoft products with the most CVEs fixed | Product | CVEs | Exploited | Patch now | |---|---:|---:|---:| | Windows Server | 1,068 | 1 | 1 | | Windows 11 | 1,024 | 1 | 1 | | Windows 10 | 950 | 1 | 1 | | .NET and Visual Studio | 46 | 1 | 1 | | Microsoft Office | 44 | 0 | 0 | | SharePoint Server | 37 | 0 | 0 | | SQL Server | 22 | 0 | 0 | | Exchange Server | 7 | 0 | 0 | | Skype for Business and Lync | 3 | 0 | 0 | | Microsoft.AspNetCore.Components.WebAssembly.DevServer | 1 | 0 | 0 | ## Microsoft updates | Fix | Products | Released | Priority | CVEs | Exploited | Top CVE | |---|---|---|---|---:|---:|---| | [KB5133966](https://patchblox.com/security/data/fix/microsoft/kb5133966.md) | .NET 10.0 installed on Linux, .NET 10.0 installed on Mac OS, .NET 10.0 installed on Windows and 3 more | Oct 25, 2026 | Patch now | 4 | 1 | CVE-2026-111497 | | [KB5133964](https://patchblox.com/security/data/fix/microsoft/kb5133964.md) | .NET 8.0 installed on Linux, .NET 8.0 installed on Mac OS, .NET 8.0 installed on Windows | Oct 25, 2026 | Patch now | 3 | 1 | CVE-2026-111497 | | [KB5133965](https://patchblox.com/security/data/fix/microsoft/kb5133965.md) | .NET 9.0 installed on Linux, .NET 9.0 installed on Mac OS, .NET 9.0 installed on Windows and 1 more | Oct 25, 2026 | Patch now | 3 | 1 | CVE-2026-111497 | | [KB5126646](https://patchblox.com/security/data/fix/microsoft/kb5126646.md) | Windows Server 2025, Windows Server 2025 (Server Core installation) | Oct 13, 2026 | Patch now | 1,041 | 1 | CVE-2026-96951 | | [KB5127648](https://patchblox.com/security/data/fix/microsoft/kb5127648.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 13, 2026 | Patch now | 1,009 | 1 | CVE-2026-96951 | | [KB5127646](https://patchblox.com/security/data/fix/microsoft/kb5127646.md) | Windows 11 Version 26H1 for ARM64-based Systems, Windows 11 version 26H1 for x64-based Systems | Oct 13, 2026 | Patch now | 997 | 1 | CVE-2026-96951 | | [KB5126655](https://patchblox.com/security/data/fix/microsoft/kb5126655.md) | Windows Server 2022, Windows Server 2022 (Server Core installation) | Oct 13, 2026 | Patch now | 977 | 1 | CVE-2026-96951 | | [KB5126653](https://patchblox.com/security/data/fix/microsoft/kb5126653.md) | Windows 11 Version 23H2 for ARM64-based Systems, Windows 11 Version 23H2 for x64-based Systems | Oct 13, 2026 | Patch now | 965 | 1 | CVE-2026-96951 | | [KB5126651](https://patchblox.com/security/data/fix/microsoft/kb5126651.md) | Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 and 1 more | Oct 13, 2026 | Patch now | 918 | 1 | CVE-2026-96951 | | [KB5126657](https://patchblox.com/security/data/fix/microsoft/kb5126657.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 13, 2026 | Patch now | 899 | 1 | CVE-2026-96951 | | [KB5126868](https://patchblox.com/security/data/fix/microsoft/kb5126868.md) | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 version 1607, Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016, Windows 10 Version 1607 for 32-bit Systems and 3 more | Oct 13, 2026 | Patch now | 769 | 1 | CVE-2026-96951 | | [KB5126836](https://patchblox.com/security/data/fix/microsoft/kb5126836.md) | Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation) | Oct 13, 2026 | Patch now | 649 | 1 | CVE-2026-96951 | | [KB5126835](https://patchblox.com/security/data/fix/microsoft/kb5126835.md) | Windows Server 2012, Windows Server 2012 (Server Core installation) | Oct 13, 2026 | Urgent | 612 | 0 | CVE-2026-88159 | | [KB5129955](https://patchblox.com/security/data/fix/microsoft/kb5129955.md) | Microsoft Exchange Server Subscription Edition RTM | Oct 2, 2026 | Urgent | 1 | 0 | CVE-2026-96940 | | [KB5129956](https://patchblox.com/security/data/fix/microsoft/kb5129956.md) | Microsoft Exchange Server 2019 Cumulative Update 15 | Oct 2, 2026 | Urgent | 1 | 0 | CVE-2026-96940 | | [KB5129957](https://patchblox.com/security/data/fix/microsoft/kb5129957.md) | Microsoft Exchange Server 2019 Cumulative Update 14 | Oct 2, 2026 | Urgent | 1 | 0 | CVE-2026-96940 | | [KB5129958](https://patchblox.com/security/data/fix/microsoft/kb5129958.md) | Microsoft Exchange Server 2016 Cumulative Update 23 | Oct 2, 2026 | Urgent | 1 | 0 | CVE-2026-96940 | | [KB5128895](https://patchblox.com/security/data/fix/microsoft/kb5128895.md) | Microsoft Exchange Server Subscription Edition RTM | Oct 13, 2026 | Urgent | 6 | 0 | CVE-2026-70571 | | [KB5128897](https://patchblox.com/security/data/fix/microsoft/kb5128897.md) | Microsoft Exchange Server 2019 Cumulative Update 14 | Oct 13, 2026 | Urgent | 6 | 0 | CVE-2026-70571 | | [KB5128898](https://patchblox.com/security/data/fix/microsoft/kb5128898.md) | Microsoft Exchange Server 2016 Cumulative Update 23 | Oct 13, 2026 | Urgent | 6 | 0 | CVE-2026-70571 | | [KB5002927](https://patchblox.com/security/data/fix/microsoft/kb5002927.md) | Microsoft SharePoint Server Subscription Edition | Oct 13, 2026 | Urgent | 37 | 0 | CVE-2026-97755 | | [KB5130035](https://patchblox.com/security/data/fix/microsoft/kb5130035.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 13, 2026 | Urgent | 32 | 0 | CVE-2026-105016 | | [KB5130034](https://patchblox.com/security/data/fix/microsoft/kb5130034.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 13, 2026 | Urgent | 29 | 0 | CVE-2026-105016 | | [KB5127666](https://patchblox.com/security/data/fix/microsoft/kb5127666.md) | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2019, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 version 1809 | Oct 13, 2026 | Urgent | 19 | 0 | CVE-2026-96222 | | [KB5127683](https://patchblox.com/security/data/fix/microsoft/kb5127683.md) | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 version 21H2, Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 version 22H2 | Oct 13, 2026 | Urgent | 19 | 0 | CVE-2026-96222 | | [KB5127685](https://patchblox.com/security/data/fix/microsoft/kb5127685.md) | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 version 1809, Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 | Oct 13, 2026 | Urgent | 19 | 0 | CVE-2026-96222 | | [KB5127687](https://patchblox.com/security/data/fix/microsoft/kb5127687.md) | Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 | Oct 13, 2026 | Urgent | 19 | 0 | CVE-2026-96222 | | [KB5127689](https://patchblox.com/security/data/fix/microsoft/kb5127689.md) | Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 version 21H2, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 version 22H2 | Oct 13, 2026 | Urgent | 19 | 0 | CVE-2026-96222 | | [KB5127690](https://patchblox.com/security/data/fix/microsoft/kb5127690.md) | Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 version 24H2, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 version 25H2, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2025 | Oct 13, 2026 | Urgent | 19 | 0 | CVE-2026-96222 | | [KB5127692](https://patchblox.com/security/data/fix/microsoft/kb5127692.md) | Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 version 23H2 | Oct 13, 2026 | Urgent | 19 | 0 | CVE-2026-96222 | | [KB5127693](https://patchblox.com/security/data/fix/microsoft/kb5127693.md) | Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022 | Oct 13, 2026 | Urgent | 19 | 0 | CVE-2026-96222 | | [KB5127694](https://patchblox.com/security/data/fix/microsoft/kb5127694.md) | Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 version 26H2 | Oct 13, 2026 | Urgent | 19 | 0 | CVE-2026-96222 | | [KB5127667](https://patchblox.com/security/data/fix/microsoft/kb5127667.md) | Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 | Oct 13, 2026 | Urgent | 18 | 0 | CVE-2026-96222 | | [KB5127668](https://patchblox.com/security/data/fix/microsoft/kb5127668.md) | Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 | Oct 13, 2026 | Urgent | 18 | 0 | CVE-2026-96222 | | [KB5127684](https://patchblox.com/security/data/fix/microsoft/kb5127684.md) | Microsoft .NET Framework 4.8 on Windows 10 version 1607, Microsoft .NET Framework 4.8 on Windows Server 2016 | Oct 13, 2026 | Urgent | 18 | 0 | CVE-2026-96222 | | [KB5127686](https://patchblox.com/security/data/fix/microsoft/kb5127686.md) | Microsoft .NET Framework 4.8 on Windows Server 2012 | Oct 13, 2026 | Urgent | 18 | 0 | CVE-2026-96222 | | [KB5127688](https://patchblox.com/security/data/fix/microsoft/kb5127688.md) | Microsoft .NET Framework 4.8 on Windows Server 2012 R2 | Oct 13, 2026 | Urgent | 18 | 0 | CVE-2026-96222 | | [KB5127691](https://patchblox.com/security/data/fix/microsoft/kb5127691.md) | Microsoft .NET Framework 4.8.1 on Windows 11 version 26H1 | Oct 13, 2026 | Urgent | 18 | 0 | CVE-2026-96222 | | [KB5127660](https://patchblox.com/security/data/fix/microsoft/kb5127660.md) | Microsoft .NET Framework 3.5 on Windows Server 2012 | Oct 13, 2026 | Urgent | 17 | 0 | CVE-2026-96222 | | [KB5127664](https://patchblox.com/security/data/fix/microsoft/kb5127664.md) | Microsoft .NET Framework 3.5 on Windows Server 2012 R2 | Oct 13, 2026 | Urgent | 17 | 0 | CVE-2026-96222 | | [KB5127696](https://patchblox.com/security/data/fix/microsoft/kb5127696.md) | Microsoft .NET Framework 3.5 on Windows 11 version 26H1 | Oct 13, 2026 | Urgent | 17 | 0 | CVE-2026-96222 | | [KB5128896](https://patchblox.com/security/data/fix/microsoft/kb5128896.md) | Microsoft Exchange Server 2019 Cumulative Update 15 | Oct 13, 2026 | Urgent | 5 | 0 | CVE-2026-70571 | | [KB5002928](https://patchblox.com/security/data/fix/microsoft/kb5002928.md) | Office Online Server | Oct 13, 2026 | Urgent | 44 | 0 | CVE-2026-105718 | | [KB5126934](https://patchblox.com/security/data/fix/microsoft/kb5126934.md) | Microsoft SQL Server 2022 for x64-based Systems (CU27) | Oct 13, 2026 | High | 21 | 0 | CVE-2026-65674 | | [KB5126967](https://patchblox.com/security/data/fix/microsoft/kb5126967.md) | Microsoft SQL Server 2025 for x64-based Systems (CU9) | Oct 13, 2026 | High | 21 | 0 | CVE-2026-65674 | | [KB5128492](https://patchblox.com/security/data/fix/microsoft/kb5128492.md) | Microsoft SQL Server 2025 for x64-based Systems (GDR) | Oct 13, 2026 | High | 21 | 0 | CVE-2026-65674 | | [KB5128493](https://patchblox.com/security/data/fix/microsoft/kb5128493.md) | Microsoft SQL Server 2022 for x64-based Systems (GDR) | Oct 13, 2026 | High | 21 | 0 | CVE-2026-65674 | | [KB5128494](https://patchblox.com/security/data/fix/microsoft/kb5128494.md) | Microsoft SQL Server 2019 for x64-based Systems (CU32) | Oct 13, 2026 | High | 19 | 0 | CVE-2026-65674 | | [KB5128495](https://patchblox.com/security/data/fix/microsoft/kb5128495.md) | Microsoft SQL Server 2019 for x64-based Systems (GDR) | Oct 13, 2026 | High | 19 | 0 | CVE-2026-65674 | | [KB5130036](https://patchblox.com/security/data/fix/microsoft/kb5130036.md) | .NET 10.0 runtime installed on Linux, .NET 10.0 runtime installed on Mac OS, .NET 10.0 runtime installed on Windows and 1 more | Oct 13, 2026 | High | 32 | 0 | CVE-2026-83520 | | [KB5131692](https://patchblox.com/security/data/fix/microsoft/kb5131692.md) | Skype for Business Server Subscription Edition CU1 | Oct 13, 2026 | High | 3 | 0 | CVE-2026-70297 | | [KB5131693](https://patchblox.com/security/data/fix/microsoft/kb5131693.md) | Skype for Business Server 2019 CU8 | Oct 13, 2026 | High | 3 | 0 | CVE-2026-70297 | | [KB5132779](https://patchblox.com/security/data/fix/microsoft/kb5132779.md) | Skype for Business Server 2015 CU13 | Oct 13, 2026 | High | 3 | 0 | CVE-2026-70297 | | [KB5128496](https://patchblox.com/security/data/fix/microsoft/kb5128496.md) | Microsoft SQL Server 2017 for x64-based Systems (CU31) | Oct 13, 2026 | High | 12 | 0 | CVE-2026-88081 | | [KB5128497](https://patchblox.com/security/data/fix/microsoft/kb5128497.md) | Microsoft SQL Server 2017 for x64-based Systems (GDR) | Oct 13, 2026 | High | 12 | 0 | CVE-2026-88081 | | [KB5126649](https://patchblox.com/security/data/fix/microsoft/kb5126649.md) | Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows Server 2016 and 1 more | Oct 13, 2026 | High | 2 | 0 | CVE-2026-69950 | | [KB5127356](https://patchblox.com/security/data/fix/microsoft/kb5127356.md) | Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation) | Oct 13, 2026 | High | 2 | 0 | CVE-2026-69950 | | [KB5127357](https://patchblox.com/security/data/fix/microsoft/kb5127357.md) | Windows Server 2012, Windows Server 2012 (Server Core installation) | Oct 13, 2026 | High | 2 | 0 | CVE-2026-69950 | ## macOS updates | Fix | Products | Released | Priority | CVEs | Exploited | Top CVE | |---|---|---|---|---:|---:|---| | [Tahoe 26.7.2](https://patchblox.com/security/data/fix/macos/tahoe-26.7.2.md) | Tahoe | Oct 26, 2026 | Urgent | 195 | 0 | CVE-2026-112690 | | [Sequoia 15.8.2](https://patchblox.com/security/data/fix/macos/sequoia-15.8.2.md) | Sequoia | Oct 26, 2026 | Urgent | 180 | 0 | CVE-2026-112690 | ## Linux, by distribution | Distribution | Fixes | CVEs | Fixes with exploited CVEs | Patch now | |---|---:|---:|---:|---:| | Debian | 3,075 | 3,075 | 3 | 3 | | Ubuntu | 1,684 | 306 | 201 | 201 | | Red Hat | 313 | 729 | 16 | 16 | | ol | 83 | 1,656 | 4 | 4 | | almalinux | 72 | 170 | 0 | 0 | | sles | 70 | 1,011 | 0 | 0 | | rocky | 56 | 472 | 1 | 1 | | opensuse-leap | 21 | 124 | 0 | 0 | | Fedora | 15 | 49 | 0 | 0 | ## Most urgent Linux advisories | Fix | Products | Released | Priority | CVEs | Exploited | Top CVE | |---|---|---|---|---:|---:|---| | [RHSA-2026:87080](https://patchblox.com/security/data/fix/linux/rhsa-2026-87080.md) | apcu-panel, libzip, libzip-devel and 34 more on RHEL 8 | Oct 24, 2026 | Patch now | 12 | 2 | CVE-2026-109618 | | [RHSA-2026:87071](https://patchblox.com/security/data/fix/linux/rhsa-2026-87071.md) | php8.4 on RHEL 10 | Oct 24, 2026 | Patch now | 3 | 2 | CVE-2026-109618 | | [RHSA-2026:87079](https://patchblox.com/security/data/fix/linux/rhsa-2026-87079.md) | apcu-panel, php-pecl-apcu, php-pecl-apcu-devel and 4 more on RHEL 9 | Oct 24, 2026 | Patch now | 3 | 2 | CVE-2026-109618 | | [RHSA-2026:87151](https://patchblox.com/security/data/fix/linux/rhsa-2026-87151.md) | php, php-bcmath, php-cli and 22 more on RHEL 9 | Oct 24, 2026 | Patch now | 3 | 2 | CVE-2026-109618 | | [RHSA-2026:87073](https://patchblox.com/security/data/fix/linux/rhsa-2026-87073.md) | php-pecl-xdebug3 on RHEL 8 | Oct 24, 2026 | Patch now | 3 | 2 | CVE-2026-109618 | | [RHSA-2026:88561](https://patchblox.com/security/data/fix/linux/rhsa-2026-88561.md) | php on RHEL 10 | Oct 24, 2026 | Patch now | 2 | 2 | CVE-2026-109618 | | [libapache2-mod-php8.3 8.3.6-0ubuntu0.24.04.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libapache2-mod-php8.3-8.3.6-0ubuntu0.24.04.13.md) | libapache2-mod-php8.3 on Ubuntu 24.04.5 LTS (noble) | Oct 24, 2026 | Patch now | 2 | 2 | CVE-2026-109618 | | [libphp8.3-embed 8.3.6-0ubuntu0.24.04.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libphp8.3-embed-8.3.6-0ubuntu0.24.04.13.md) | libphp8.3-embed on Ubuntu 24.04.5 LTS (noble) | Oct 24, 2026 | Patch now | 2 | 2 | CVE-2026-109618 | | [php8.3 8.3.6-0ubuntu0.24.04.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-php8.3-8.3.6-0ubuntu0.24.04.13.md) | php8.3 on Ubuntu 24.04.5 LTS (noble) | Oct 24, 2026 | Patch now | 2 | 2 | CVE-2026-109618 | | [php8.3-bcmath 8.3.6-0ubuntu0.24.04.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-php8.3-bcmath-8.3.6-0ubuntu0.24.04.13.md) | php8.3-bcmath on Ubuntu 24.04.5 LTS (noble) | Oct 24, 2026 | Patch now | 2 | 2 | CVE-2026-109618 | --- 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