Patch Tuesday Updates: July 2026

Patch Tuesday Updates: July 2026

Good day, everyone!

Here's a list of the updates released in this month's Patch Tuesday.

New OS Security Updates:
  • 44816 - 2026-07 Servicing Stack Update for Windows 10 Version 1607 for x64-based Systems (KB5099542)
  • 44817 - 2026-07 Servicing Stack Update for Windows Server 2016 for x64-based Systems (KB5099542)
  • 44818 - 2026-07 Servicing Stack Update for Windows 10 Version 1607 for x86-based Systems (KB5099542)
  • 44819 - 2026-07 Servicing Stack Update for Windows Server 2012 for x64-based Systems (KB5106414) (ESU)
  • 44820 - 2026-07 Servicing Stack Update for Windows Server 2012 R2 for x64-based Systems (KB5106412) (ESU)
  • 44821 - 2026-07 Cumulative Update for Windows 10 Version 1607 for x64-based Systems (KB5099535) (CVE-2026-56155) (CVE-2026-50661)
  • 44822 - 2026-07 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5099535) (CVE-2026-56155) (CVE-2026-50661)
  • 44823 - 2026-07 Cumulative Update for Windows 10 Version 1607 for x86-based Systems (KB5099535) (CVE-2026-56155) (CVE-2026-50661)
  • 44824 - 2026-07 Cumulative Update for Windows 10 Version 1809 for x64-based Systems (KB5099538) (CVE-2026-56155) (CVE-2026-50661)
  • 44825 - 2026-07 Cumulative Update for Windows Server 2019 for x64-based Systems (KB5099538) (CVE-2026-56155) (CVE-2026-50661)
  • 44826 - 2026-07 Cumulative Update for Windows 10 Version 1809 for x86-based Systems (KB5099538) (CVE-2026-56155) (CVE-2026-50661)
  • 44827 - 2026-07 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5099539) (CVE-2026-50661)
  • 44828 - 2026-07 Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5099539) (CVE-2026-50661)
  • 44829 - 2026-07 Cumulative Update for Windows 10 Version 22H2 for x64-based Systems (KB5099539) (ESU) (CVE-2026-50661)
  • 44830 - 2026-07 Cumulative Update for Windows 10 Version 22H2 for x86-based Systems (KB5099539) (ESU) (CVE-2026-50661)
  • 44831 - 2026-07 Cumulative Update for Windows 11, version 23H2 for arm64-based Systems (KB5099414)
  • 44832 - 2026-07 Cumulative Update for Windows 11, version 23H2 for x64-based Systems (KB5099414)
  • 44833 - 2026-07 Cumulative Update for Windows 11, version 24H2 for arm64-based Systems (KB5101650) (26100.8875) (CVE-2026-50661)
  • 44834 - 2026-07 Cumulative Update for Windows 11, version 24H2 for x64-based Systems (KB5101650) (26100.8875) (CVE-2026-50661)
  • 44835 - 2026-07 Cumulative Update for Windows 11, version 25H2 for arm64-based Systems (KB5101650) (26200.8875) (CVE-2026-50661)
  • 44836 - 2026-07 Cumulative Update for Windows 11, version 25H2 for x64-based Systems (KB5101650) (26200.8875) (CVE-2026-50661)
  • 44837 - 2026-07 Cumulative Update for Windows 11, version 26H1 for arm64-based Systems (KB5101649) (28000.2525) (CVE-2026-50661)
  • 44914 - 2026-07 Cumulative Update for Windows 11, version 26H1 for x64-based Systems (KB5101649) (28000.2525) (CVE-2026-50661)
  • 44838 - 2026-07 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5099540) (CVE-2026-56155) (CVE-2026-50661)
  • 44840 - 2026-07 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5099536) (26100.33158) (CVE-2026-56155) (CVE-2026-50661)
  • 44841 - 2026-07 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1607 for x64 (KB5101007)
  • 44842 - 2026-07 Cumulative Update for .NET Framework 4.8 for Windows Server 2016 for x64 (KB5101007)
  • 44843 - 2026-07 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1607 (KB5101007)
  • 44844 - KB5102201, 2026-07 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10 Version 1809 for x64 (KB5100989)
  • 44845 - KB5102201, 2026-07 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows Server 2019 for x64 (KB5100989)
  • 44846 - KB5102201, 2026-07 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10 Version 1809 (KB5100989)
  • 44847 - KB5102201, 2026-07 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 1809 for x64 (KB5101008)
  • 44848 - KB5102201, 2026-07 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows Server 2019 for x64 (KB5101008)
  • 44849 - KB5102201, 2026-07 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 1809 (KB5101008)
  • 44850 - KB5102202, 2026-07 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 21H2 for x64 (KB5101000)
  • 44851 - KB5102202, 2026-07 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 21H2 (KB5101000)
  • 44852 - KB5102202, 2026-07 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 for x64 (KB5101006)
  • 44853 - KB5102202, 2026-07 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 (KB5101006)
  • 44854 - KB5102203, 2026-07 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 22H2 for x64 (KB5101000) (ESU)
  • 44855 - KB5102203, 2026-07 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 22H2 (KB5101000) (ESU)
  • 44856 - KB5102203, 2026-07 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 22H2 for x64 (KB5101006) (ESU)
  • 44857 - KB5102203, 2026-07 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 22H2 (KB5101006) (ESU)
  • 44858 - 2026-07 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for arm64 (KB5101004)
  • 44859 - 2026-07 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for x64 (KB5101004)
  • 44860 - 2026-07 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 for arm64 (KB5101001)
  • 44861 - 2026-07 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 for x64 (KB5101001)
  • 44862 - 2026-07 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 for arm64 (KB5100998)
  • 44863 - 2026-07 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 for x64 (KB5100998)
  • 44864 - 2026-07 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 26H1 for arm64 (KB5101002)
  • 44913 - 2026-07 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 26H1 for x64 (KB5101002)
  • 44865 - KB5102206, 2026-07 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5101005)
  • 44866 - KB5102206, 2026-07 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5101010)
  • 44867 - 2026-07 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 24H2 for arm64 (KB5100998)
  • 44868 - 2026-07 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 24H2 for x64 (KB5100998)
  • 44869 - 2026-07 Security Monthly Quality Rollup for Windows Server 2012 for x64-based Systems (KB5099445) (ESU) (CVE-2026-56155)
  • 44870 - 2026-07 Security Monthly Quality Rollup for Windows Server 2012 R2 for x64-based Systems (KB5099444) (ESU) (CVE-2026-56155)
  • 44871 - KB5102204, 2026-07 Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 for x64 (KB5100984) (ESU)
  • 44872 - KB5102204, 2026-07 Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 for x64 (KB5100990) (ESU)
  • 44873 - KB5102204, 2026-07 Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 for x64 (KB5101009) (ESU)
  • 44874 - KB5102205, 2026-07 Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 R2 for x64 (KB5100985) (ESU)
  • 44875 - KB5102205, 2026-07 Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 R2 for x64 (KB5100991) (ESU)
  • 44876 - KB5102205, 2026-07 Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 R2 for x64 (KB5101011) (ESU)
  • 44877 - 2026-07 Cumulative Security Update for Internet Explorer 11 for Windows Server 2012 for x64-based systems (KB5099415) (ESU)
  • 44878 - 2026-07 Cumulative Security Update for Internet Explorer 11 for Windows Server 2012 R2 for x64-based systems (KB5099415) (ESU)
  • 44879 - Update for .NET Hosting (10.0.10) (KB5104034)
  • 44880 - Update for AspNet Core (x64) (10.0.10) (KB5104034)
  • 44881 - Update for AspNet Core (x86) (10.0.10) (KB5104034)
  • 44882 - Update for .NET Desktop Runtime (x64) (10.0.10) (KB5104034)
  • 44883 - Update for .NET Desktop Runtime (x86) (10.0.10) (KB5104034)
  • 44884 - Update for .NET Runtime (x64) (10.0.10) (KB5104034)
  • 44885 - Update for .NET Runtime (x86) (10.0.10) (KB5104034)
  • 44886 - Update for .NET SDK (x64) (10.0.110) (KB5104034)
  • 44887 - Update for .NET SDK (x86) (10.0.302) (KB5104034)
  • 44888 - Update for .NET SDK (x86) (10.0.110) (KB5104034)
  • 44889 - Update for .NET SDK (x64) (10.0.302) (KB5104034)
  • 44890 - Update for .NET Hosting (9.0.18) (KB5104033)
  • 44891 - Update for AspNet Core (x64) (9.0.18) (KB5104033)
  • 44892 - Update for AspNet Core (x86) (9.0.18) (KB5104033)
  • 44893 - Update for .NET Desktop Runtime (x64) (9.0.18) (KB5104033)
  • 44894 - Update for .NET Desktop Runtime (x86) (9.0.18) (KB5104033)
  • 44895 - Update for .NET Runtime (x64) (9.0.18) (KB5104033)
  • 44896 - Update for .NET Runtime (x86) (9.0.18) (KB5104033)
  • 44897 - Update for .NET SDK (x64) (9.0.119) (KB5104033)
  • 44898 - Update for .NET SDK (x64) (9.0.316) (KB5104033)
  • 44899 - Update for .NET SDK (x86) (9.0.119) (KB5104033)
  • 44900 - Update for .NET SDK (x86) (9.0.316) (KB5104033)
  • 44901 - Update for .NET Hosting (8.0.29) (KB5104032)
  • 44902 - Update for AspNet Core (x64) (8.0.29) (KB5104032)
  • 44903 - Update for AspNet Core (x86) (8.0.29) (KB5104032)
  • 44904 - Update for .NET Desktop Runtime (x64) (8.0.29) (KB5104032)
  • 44905 - Update for .NET Desktop Runtime (x86) (8.0.29) (KB5104032)
  • 44906 - Update for .NET Runtime (x64) (8.0.29) (KB5104032)
  • 44907 - Update for .NET Runtime (x86) (8.0.29) (KB5104032)
  • 44908 - Update for .NET SDK (x64) (8.0.129) (KB5104032)
  • 44909 - Update for .NET SDK (x64) (8.0.423) (KB5104032)
  • 44910 - Update for .NET SDK (x86) (8.0.129) (KB5104032)
  • 44911 - Update for .NET SDK (x86) (8.0.423) (KB5104032)
  • 44915 - Windows Malicious Software Removal Tool x64 - Jul 2026 (KB890830)
  • 44916 - Windows Malicious Software Removal Tool - Jul 2026 (KB890830)
Supported Zero-day CVE: 3

CVE-2026-50661 - Windows BitLocker
patchidbulletiniddescription
44821MS26-JUL32026-07 Cumulative Update for Windows 10 Version 1607 for x64-based Systems (KB5099535) (CVE-2026-56155) (CVE-2026-50661)
44822MS26-JUL32026-07 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5099535) (CVE-2026-56155) (CVE-2026-50661)
44823MS26-JUL32026-07 Cumulative Update for Windows 10 Version 1607 for x86-based Systems (KB5099535) (CVE-2026-56155) (CVE-2026-50661)
44824MS26-JUL32026-07 Cumulative Update for Windows 10 Version 1809 for x64-based Systems (KB5099538) (CVE-2026-56155) (CVE-2026-50661)
44825MS26-JUL32026-07 Cumulative Update for Windows Server 2019 for x64-based Systems (KB5099538) (CVE-2026-56155) (CVE-2026-50661)
44826MS26-JUL32026-07 Cumulative Update for Windows 10 Version 1809 for x86-based Systems (KB5099538) (CVE-2026-56155) (CVE-2026-50661)
44827MS26-JUL32026-07 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5099539) (CVE-2026-50661)
44828MS26-JUL32026-07 Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5099539) (CVE-2026-50661)
44829MS26-JUL32026-07 Cumulative Update for Windows 10 Version 22H2 for x64-based Systems (KB5099539) (ESU) (CVE-2026-50661)
44830MS26-JUL32026-07 Cumulative Update for Windows 10 Version 22H2 for x86-based Systems (KB5099539) (ESU) (CVE-2026-50661)
44833MS26-JUL32026-07 Cumulative Update for Windows 11, version 24H2 for arm64-based Systems (KB5101650) (26100.8875) (CVE-2026-50661)
44834MS26-JUL32026-07 Cumulative Update for Windows 11, version 24H2 for x64-based Systems (KB5101650) (26100.8875) (CVE-2026-50661)
44835MS26-JUL32026-07 Cumulative Update for Windows 11, version 25H2 for arm64-based Systems (KB5101650) (26200.8875) (CVE-2026-50661)
44836MS26-JUL32026-07 Cumulative Update for Windows 11, version 25H2 for x64-based Systems (KB5101650) (26200.8875) (CVE-2026-50661)
44837MS26-JUL32026-07 Cumulative Update for Windows 11, version 26H1 for arm64-based Systems (KB5101649) (28000.2525) (CVE-2026-50661)
44838MS26-JUL32026-07 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5099540) (CVE-2026-56155) (CVE-2026-50661)
44840MS26-JUL32026-07 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5099536) (26100.33158) (CVE-2026-56155) (CVE-2026-50661)
44914MS26-JUL32026-07 Cumulative Update for Windows 11, version 26H1 for x64-based Systems (KB5101649) (28000.2525) (CVE-2026-50661)

CVE-2026-56155  - Active Directory Federation Services
patchidbulletiniddescription
44821MS26-JUL32026-07 Cumulative Update for Windows 10 Version 1607 for x64-based Systems (KB5099535) (CVE-2026-56155) (CVE-2026-50661)
44822MS26-JUL32026-07 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5099535) (CVE-2026-56155) (CVE-2026-50661)
44823MS26-JUL32026-07 Cumulative Update for Windows 10 Version 1607 for x86-based Systems (KB5099535) (CVE-2026-56155) (CVE-2026-50661)
44824MS26-JUL32026-07 Cumulative Update for Windows 10 Version 1809 for x64-based Systems (KB5099538) (CVE-2026-56155) (CVE-2026-50661)
44825MS26-JUL32026-07 Cumulative Update for Windows Server 2019 for x64-based Systems (KB5099538) (CVE-2026-56155) (CVE-2026-50661)
44826MS26-JUL32026-07 Cumulative Update for Windows 10 Version 1809 for x86-based Systems (KB5099538) (CVE-2026-56155) (CVE-2026-50661)
44838MS26-JUL32026-07 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5099540) (CVE-2026-56155) (CVE-2026-50661)
44840MS26-JUL32026-07 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5099536) (26100.33158) (CVE-2026-56155) (CVE-2026-50661)
44869MS26-JUL62026-07 Security Monthly Quality Rollup for Windows Server 2012 for x64-based Systems (KB5099445) (ESU) (CVE-2026-56155)
44870MS26-JUL62026-07 Security Monthly Quality Rollup for Windows Server 2012 R2 for x64-based Systems (KB5099444) (ESU) (CVE-2026-56155)


Cheers,
The ManageEngine Team