# Security updates released in September 2026 - Web page: https://patchblox.com/security/patch-radar/2026/09 | Platform | Fixes | CVEs | Fixes with exploited CVEs | Patch now | |---|---:|---:|---:|---:| | Microsoft | 59 | 926 | 10 | 10 | | macOS | 4 | 188 | 3 | 3 | | Linux | 7,345 | 7,560 | 26 | 26 | ## Patch Tuesday, September 8, 2026 1,004 CVEs, 113 Critical, 2 exploited, 0 publicly disclosed, in 57 security updates. ## Microsoft products with the most CVEs fixed | Product | CVEs | Exploited | Patch now | |---|---:|---:|---:| | Windows Server | 700 | 2 | 2 | | Windows 10 | 649 | 1 | 1 | | Windows 11 | 646 | 1 | 1 | | Microsoft Office | 95 | 0 | 0 | | SQL Server | 62 | 0 | 0 | | SharePoint Server | 16 | 0 | 0 | | Skype for Business and Lync | 10 | 0 | 0 | | Exchange Server | 9 | 0 | 0 | | .NET and Visual Studio | 7 | 0 | 0 | | Dynamics 365 | 1 | 0 | 0 | ## Microsoft updates | Fix | Products | Released | Priority | CVEs | Exploited | Top CVE | |---|---|---|---|---:|---:|---| | [KB5122871](https://patchblox.com/security/data/fix/microsoft/kb5122871.md) | Windows Server 2025, Windows Server 2025 (Server Core installation) | Sep 8, 2026 | Patch now | 687 | 1 | CVE-2026-81963 | | [KB5122882](https://patchblox.com/security/data/fix/microsoft/kb5122882.md) | Windows Server 2022, Windows Server 2022 (Server Core installation) | Sep 8, 2026 | Patch now | 648 | 1 | CVE-2026-85880 | | [KB5124008](https://patchblox.com/security/data/fix/microsoft/kb5124008.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 1 more | Sep 8, 2026 | Patch now | 638 | 1 | CVE-2026-81963 | | [KB5124012](https://patchblox.com/security/data/fix/microsoft/kb5124012.md) | Windows 11 Version 26H1 for ARM64-based Systems, Windows 11 version 26H1 for x64-based Systems | Sep 8, 2026 | Patch now | 637 | 1 | CVE-2026-81963 | | [KB5122876](https://patchblox.com/security/data/fix/microsoft/kb5122876.md) | Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 and 1 more | Sep 8, 2026 | Patch now | 623 | 1 | CVE-2026-85880 | | [KB5122880](https://patchblox.com/security/data/fix/microsoft/kb5122880.md) | Windows 11 Version 23H2 for ARM64-based Systems, Windows 11 Version 23H2 for x64-based Systems | Sep 8, 2026 | Patch now | 611 | 1 | CVE-2026-81963 | | [KB5122878](https://patchblox.com/security/data/fix/microsoft/kb5122878.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 | Sep 8, 2026 | Patch now | 575 | 1 | CVE-2026-85880 | | [KB5123099](https://patchblox.com/security/data/fix/microsoft/kb5123099.md) | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems, Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systems, Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 and 4 more | Sep 8, 2026 | Patch now | 562 | 1 | CVE-2026-85880 | | [KB5123066](https://patchblox.com/security/data/fix/microsoft/kb5123066.md) | Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation) | Sep 8, 2026 | Patch now | 425 | 1 | CVE-2026-85880 | | [KB5123065](https://patchblox.com/security/data/fix/microsoft/kb5123065.md) | Windows Server 2012, Windows Server 2012 (Server Core installation) | Sep 8, 2026 | Patch now | 400 | 1 | CVE-2026-85880 | | [KB5122769](https://patchblox.com/security/data/fix/microsoft/kb5122769.md) | Microsoft SQL Server 2025 for x64-based Systems (CU8) | Sep 8, 2026 | Urgent | 56 | 0 | CVE-2026-67643 | | [KB5122770](https://patchblox.com/security/data/fix/microsoft/kb5122770.md) | Microsoft SQL Server 2025 for x64-based Systems (GDR) | Sep 8, 2026 | Urgent | 56 | 0 | CVE-2026-67643 | | [KB5122768](https://patchblox.com/security/data/fix/microsoft/kb5122768.md) | Microsoft SQL Server 2022 for x64-based Systems (CU 26) | Sep 8, 2026 | Urgent | 52 | 0 | CVE-2026-67643 | | [KB5122771](https://patchblox.com/security/data/fix/microsoft/kb5122771.md) | Microsoft SQL Server 2022 for x64-based Systems (GDR) | Sep 8, 2026 | Urgent | 52 | 0 | CVE-2026-67643 | | [KB5122772](https://patchblox.com/security/data/fix/microsoft/kb5122772.md) | Microsoft SQL Server 2019 for x64-based Systems (CU 32) | Sep 8, 2026 | Urgent | 52 | 0 | CVE-2026-67631 | | [KB5122773](https://patchblox.com/security/data/fix/microsoft/kb5122773.md) | Microsoft SQL Server 2019 for x64-based Systems (GDR) | Sep 8, 2026 | Urgent | 52 | 0 | CVE-2026-67631 | | [KB5122774](https://patchblox.com/security/data/fix/microsoft/kb5122774.md) | Microsoft SQL Server 2017 for x64-based Systems (CU 31) | Sep 8, 2026 | Urgent | 45 | 0 | CVE-2026-67631 | | [KB5122775](https://patchblox.com/security/data/fix/microsoft/kb5122775.md) | Microsoft SQL Server 2017 for x64-based Systems (GDR) | Sep 8, 2026 | Urgent | 45 | 0 | CVE-2026-67631 | | [KB5123287](https://patchblox.com/security/data/fix/microsoft/kb5123287.md) | Skype for Business Server 2019 CU8, Skype for Business Server Subscription Edition CU1 | Sep 8, 2026 | Urgent | 10 | 0 | CVE-2026-66302 | | [KB5123300](https://patchblox.com/security/data/fix/microsoft/kb5123300.md) | Skype for Business Server 2019 CU8, Skype for Business Server Subscription Edition CU1 | Sep 8, 2026 | Urgent | 10 | 0 | CVE-2026-66302 | | [KB5123301](https://patchblox.com/security/data/fix/microsoft/kb5123301.md) | Skype for Business Server 2015 CU13 | Sep 8, 2026 | Urgent | 10 | 0 | CVE-2026-66302 | | [KB5002923](https://patchblox.com/security/data/fix/microsoft/kb5002923.md) | Microsoft Word 2016 (32-bit edition), Microsoft Word 2016 (64-bit edition) | Sep 8, 2026 | Urgent | 30 | 0 | CVE-2026-78509 | | [KB5002920](https://patchblox.com/security/data/fix/microsoft/kb5002920.md) | Microsoft PowerPoint 2016 (32-bit edition), Microsoft PowerPoint 2016 (64-bit edition) | Sep 8, 2026 | Urgent | 6 | 0 | CVE-2026-69797 | | [KB5002916](https://patchblox.com/security/data/fix/microsoft/kb5002916.md) | Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition), Microsoft Word 2016 (32-bit edition) and 1 more | Sep 8, 2026 | Urgent | 18 | 0 | CVE-2026-81955 | | [KB5002919](https://patchblox.com/security/data/fix/microsoft/kb5002919.md) | Microsoft Outlook 2016 (32-bit edition), Microsoft Outlook 2016 (64-bit edition) | Sep 8, 2026 | Urgent | 3 | 0 | CVE-2026-78519 | | [KB5002904](https://patchblox.com/security/data/fix/microsoft/kb5002904.md) | Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition) | Sep 8, 2026 | Urgent | 30 | 0 | CVE-2026-81959 | | [KB5002914](https://patchblox.com/security/data/fix/microsoft/kb5002914.md) | Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition) | Sep 8, 2026 | Urgent | 30 | 0 | CVE-2026-81959 | | [KB5122874](https://patchblox.com/security/data/fix/microsoft/kb5122874.md) | Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows Server 2016 and 1 more | Sep 8, 2026 | Urgent | 1 | 0 | CVE-2026-81955 | | [KB5129194](https://patchblox.com/security/data/fix/microsoft/kb5129194.md) | Windows 11 Version 26H1 for ARM64-based Systems, Windows 11 version 26H1 for x64-based Systems | Sep 14, 2026 | Urgent | 2 | 0 | CVE-2026-85921 | | [KB5129195](https://patchblox.com/security/data/fix/microsoft/kb5129195.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 1 more | Sep 14, 2026 | Urgent | 1 | 0 | CVE-2026-62721 | | [KB5002644](https://patchblox.com/security/data/fix/microsoft/kb5002644.md) | Microsoft Publisher 2016 (32-bit edition), Microsoft Publisher 2016 (64-bit edition) | Sep 8, 2026 | High | 2 | 0 | CVE-2026-81385 | | [KB5121608](https://patchblox.com/security/data/fix/microsoft/kb5121608.md) | Microsoft Exchange Server Subscription Edition RTM | Sep 8, 2026 | High | 9 | 0 | CVE-2026-69378 | | [KB5121609](https://patchblox.com/security/data/fix/microsoft/kb5121609.md) | Microsoft Exchange Server 2019 Cumulative Update 15 | Sep 8, 2026 | High | 9 | 0 | CVE-2026-69378 | | [KB5121610](https://patchblox.com/security/data/fix/microsoft/kb5121610.md) | Microsoft Exchange Server 2019 Cumulative Update 14 | Sep 8, 2026 | High | 9 | 0 | CVE-2026-69378 | | [KB5121611](https://patchblox.com/security/data/fix/microsoft/kb5121611.md) | Microsoft Exchange Server 2016 Cumulative Update 23 | Sep 8, 2026 | High | 8 | 0 | CVE-2026-69378 | | [KB5002908](https://patchblox.com/security/data/fix/microsoft/kb5002908.md) | Microsoft SharePoint Server Subscription Edition | Sep 8, 2026 | High | 16 | 0 | CVE-2026-69716 | | [KB5123731](https://patchblox.com/security/data/fix/microsoft/kb5123731.md) | Microsoft Dynamics 365 Customer Engagement V9.1 | Sep 8, 2026 | High | 1 | 0 | CVE-2026-77908 | | [KB5002898](https://patchblox.com/security/data/fix/microsoft/kb5002898.md) | Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition) | Sep 8, 2026 | High | 2 | 0 | CVE-2026-78526 | | [KB5002912](https://patchblox.com/security/data/fix/microsoft/kb5002912.md) | Microsoft Access 2016 (32-bit edition), Microsoft Access 2016 (64-bit edition) | Sep 8, 2026 | High | 2 | 0 | CVE-2026-69614 | | [KB5126105](https://patchblox.com/security/data/fix/microsoft/kb5126105.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 | Sep 8, 2026 | High | 6 | 0 | CVE-2026-69522 | | [KB5126106](https://patchblox.com/security/data/fix/microsoft/kb5126106.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 | Sep 8, 2026 | High | 6 | 0 | CVE-2026-69522 | | [KB5126104](https://patchblox.com/security/data/fix/microsoft/kb5126104.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 | Sep 8, 2026 | High | 5 | 0 | CVE-2026-69522 | | [KB5126043](https://patchblox.com/security/data/fix/microsoft/kb5126043.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 ARM64-based Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems and 1 more | Sep 8, 2026 | High | 2 | 0 | CVE-2026-69522 | | [KB5126044](https://patchblox.com/security/data/fix/microsoft/kb5126044.md) | Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 | Sep 8, 2026 | High | 2 | 0 | CVE-2026-69522 | | [KB5126045](https://patchblox.com/security/data/fix/microsoft/kb5126045.md) | Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 | Sep 8, 2026 | High | 2 | 0 | CVE-2026-69522 | | [KB5126046](https://patchblox.com/security/data/fix/microsoft/kb5126046.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 | Sep 8, 2026 | High | 2 | 0 | CVE-2026-69522 | | [KB5126047](https://patchblox.com/security/data/fix/microsoft/kb5126047.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 | Sep 8, 2026 | High | 2 | 0 | CVE-2026-69522 | | [KB5126049](https://patchblox.com/security/data/fix/microsoft/kb5126049.md) | Microsoft .NET Framework 4.8 on Windows Server 2012 | Sep 8, 2026 | High | 2 | 0 | CVE-2026-69522 | | [KB5126051](https://patchblox.com/security/data/fix/microsoft/kb5126051.md) | Microsoft .NET Framework 4.8 on Windows Server 2012 R2 | Sep 8, 2026 | High | 2 | 0 | CVE-2026-69522 | | [KB5126052](https://patchblox.com/security/data/fix/microsoft/kb5126052.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, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 25H2 for ARM64-based Systems and 2 more | Sep 8, 2026 | High | 2 | 0 | CVE-2026-69522 | | [KB5126053](https://patchblox.com/security/data/fix/microsoft/kb5126053.md) | Microsoft .NET Framework 4.8.1 on Windows 11 Version 26H1 for ARM64-based Systems, Microsoft .NET Framework 4.8.1 on Windows 11 version 26H1 for x64-based Systems | Sep 8, 2026 | High | 2 | 0 | CVE-2026-69522 | | [KB5126421](https://patchblox.com/security/data/fix/microsoft/kb5126421.md) | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems, Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for ARM64-based Systems, Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems and 6 more | Sep 8, 2026 | High | 2 | 0 | CVE-2026-69522 | | [KB5126424](https://patchblox.com/security/data/fix/microsoft/kb5126424.md) | Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 23H2 for ARM64-based Systems, Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 23H2 for x64-based Systems | Sep 8, 2026 | High | 2 | 0 | CVE-2026-69522 | | [KB5126048](https://patchblox.com/security/data/fix/microsoft/kb5126048.md) | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems, Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for ARM64-based Systems, Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems and 1 more | Sep 8, 2026 | High | 1 | 0 | CVE-2026-69522 | | [KB5126050](https://patchblox.com/security/data/fix/microsoft/kb5126050.md) | Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 | Sep 8, 2026 | High | 1 | 0 | CVE-2026-69522 | | [KB5126422](https://patchblox.com/security/data/fix/microsoft/kb5126422.md) | Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022 | Sep 8, 2026 | High | 1 | 0 | CVE-2026-69522 | | [KB5002913](https://patchblox.com/security/data/fix/microsoft/kb5002913.md) | Microsoft Access 2016 (32-bit edition), Microsoft Access 2016 (64-bit edition), Microsoft Office 2016 (32-bit edition) and 1 more | Sep 8, 2026 | High | 2 | 0 | CVE-2026-69778 | | [KB4011160](https://patchblox.com/security/data/fix/microsoft/kb4011160.md) | Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition) | Sep 8, 2026 | High | 1 | 0 | CVE-2026-78512 | | [KB5002910](https://patchblox.com/security/data/fix/microsoft/kb5002910.md) | Office Online Server | Sep 8, 2026 | High | 5 | 0 | CVE-2026-81956 | ## macOS updates | Fix | Products | Released | Priority | CVEs | Exploited | Top CVE | |---|---|---|---|---:|---:|---| | [Sequoia 15.8.1](https://patchblox.com/security/data/fix/macos/sequoia-15.8.1.md) | Sequoia | Sep 28, 2026 | Patch now | 1 | 1 | CVE-2026-86950 | | [Tahoe 26.7.1](https://patchblox.com/security/data/fix/macos/tahoe-26.7.1.md) | Tahoe | Sep 28, 2026 | Patch now | 1 | 1 | CVE-2026-86950 | | [Tahoe 26.7](https://patchblox.com/security/data/fix/macos/tahoe-26.7.md) | Tahoe | Sep 14, 2026 | Patch now | 173 | 1 | CVE-2026-65400 | | [Sequoia 15.8](https://patchblox.com/security/data/fix/macos/sequoia-15.8.md) | Sequoia | Sep 14, 2026 | Urgent | 174 | 0 | CVE-2026-65414 | ## Linux, by distribution | Distribution | Fixes | CVEs | Fixes with exploited CVEs | Patch now | |---|---:|---:|---:|---:| | Debian | 3,703 | 3,703 | 3 | 3 | | Ubuntu | 2,014 | 420 | 0 | 0 | | Red Hat | 284 | 837 | 3 | 3 | | Oracle Linux | 273 | 1,806 | 2 | 2 | | Rocky Linux | 268 | 711 | 5 | 5 | | AlmaLinux | 265 | 938 | 7 | 7 | | SUSE Linux Enterprise | 262 | 2,244 | 4 | 4 | | openSUSE Leap | 149 | 1,848 | 2 | 2 | | Amazon Linux | 86 | 644 | 0 | 0 | | Fedora | 41 | 167 | 0 | 0 | Each row counts a CVE once for that distribution; the Linux total counts it once overall, so the rows can add up to more than the total. ## Most urgent Linux advisories | Fix | Products | Released | Priority | CVEs | Exploited | Top CVE | |---|---|---|---|---:|---:|---| | [DEBIAN-CVE-2026-87902](https://patchblox.com/security/data/fix/linux/debian-cve-2026-87902.md) | wordpress on Debian 13.5 (trixie), Debian 14 | Sep 29, 2026 | Patch now | 1 | 1 | CVE-2026-87902 | | [SUSE-SU-2026:4180-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4180-1.md) | clamav on sles 15.6, sles 15.7 | Sep 14, 2026 | Patch now | 9 | 1 | CVE-2025-8088 | | [OPENSUSE-SU-2026:21831-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21831-1.md) | clamav on opensuse-leap 16.0 | Sep 11, 2026 | Patch now | 9 | 1 | CVE-2025-8088 | | [SUSE-SU-2026:23727-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23727-1.md) | clamav on sles 16.0 | Sep 11, 2026 | Patch now | 9 | 1 | CVE-2025-8088 | | [OPENSUSE-SU-2026:21897-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21897-1.md) | govulncheck-vulndb on opensuse-leap 16.0 | Sep 21, 2026 | Patch now | 91 | 1 | CVE-2026-60004 | | [SUSE-SU-2026:23863-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23863-1.md) | govulncheck-vulndb on sles 16.0 | Sep 21, 2026 | Patch now | 91 | 1 | CVE-2026-60004 | | [ALSA-2026:74084](https://patchblox.com/security/data/fix/linux/alsa-2026-74084.md) | webkit2gtk3, webkit2gtk3-devel, webkit2gtk3-jsc and 1 more on almalinux 8 | Sep 30, 2026 | Patch now | 324 | 1 | CVE-2026-3909 | | [ALSA-2026:69098](https://patchblox.com/security/data/fix/linux/alsa-2026-69098.md) | webkit2gtk3, webkit2gtk3-devel, webkit2gtk3-jsc and 1 more on almalinux 9 | Sep 21, 2026 | Patch now | 303 | 1 | CVE-2026-3909 | | [RLSA-2026:69098](https://patchblox.com/security/data/fix/linux/rlsa-2026-69098.md) | webkit2gtk3 on rocky 9 | Sep 22, 2026 | Patch now | 112 | 1 | CVE-2026-3909 | | [DEBIAN-CVE-2026-87491](https://patchblox.com/security/data/fix/linux/debian-cve-2026-87491.md) | chromium on Debian 12.15 (bookworm), Debian 13.5 (trixie), Debian 14 | Sep 18, 2026 | Patch now | 1 | 1 | CVE-2026-87491 | --- Data as of 2026-11-10T01:44:33Z 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 Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data 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.