KB5126649: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: October 13, 2026

KB5126649: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: October 13, 2026 Applies To Win 10 Ent LTSB 2016 Win 10 IoT Ent LTSB 2016 Windows Server 2016, all editions Important Free support for Windows 10 Enterprise LTSB 2016 and Windows 10 IoT Enterprise 2016 LTSB en...

KB5122874: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: September 8, 2026

KB5122874: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: September 8, 2026 Applies To Win 10 Ent LTSB 2016 Win 10 IoT Ent LTSB 2016 Windows Server 2016, all editions Important Free support for Windows 10 Enterprise 2016 LTSB and Windows Server 2016 will soon end. Fo...

June 9, 2026—KB5095051 (OS Build 28000.2269)

June 9, 2026—KB5095051 OS Build 28000.2269 Applies To Windows 11 version 26H1, all editions This cumulative update for Windows 11, version 26H1 KB5095051 includes the latest security fixes and improvements, along with non-security updates from last month's optional preview release. Visit the...

May 12, 2026—KB5089548 (OS Build 28000.2113)

May 12, 2026—KB5089548 OS Build 28000.2113 Applies To Windows 11 version 26H1, all editions This cumulative update for Windows 11, version 26H1 KB5089548 includes the latest security fixes and improvements, along with non-security updates from last month's optional preview release. Visit the...

KB5106414: Servicing stack update for Windows Server 2012: July 14, 2026

KB5106414: Servicing stack update for Windows Server 2012: July 14, 2026 Applies To Windows Server 2012 ESU Summary This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates SSU makes sure that you have a robust an...

KB5106412: Servicing stack update for Windows Server 2012 R2: July 14, 2026

KB5106412: Servicing stack update for Windows Server 2012 R2: July 14, 2026 Applies To Windows Server 2012 R2 ESU Summary This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates SSU makes sure that you have a...

KB5099542: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: July 14, 2026

KB5099542: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: July 14, 2026 Applies To Win 10 Ent LTSB 2016 Win 10 IoT Ent LTSB 2016 Windows Server 2016, all editions Summary This servicing stack update SSU makes quality improvements to the servicing stack, which is the...

CVE-2026-44881

Summary: Portainer Community Edition before fixes is vulnerable to arbitrary file read via Git-symlink injection when deploying stacks from Git repositories. During Git-backed stack creation/update, go-git v5 may create real OS symlinks for most files (except .gitmodules). The GET /api/stacks/{id...

Portainer Has an Arbitrary File Read via Git Symlink Injection in Stack Auto-Update

Summary Portainer supports deploying stacks from Git repositories. When a Git-backed stack is created or updated, Portainer clones the repository using go-git v5, which translates Git blob entries with mode 0o120000 symlink into real OS symlinks on the host filesystem via os.Symlink. The only ent...

KB5079234: Servicing stack update for Windows Server 2012: March 10, 2026

KB5079234: Servicing stack update for Windows Server 2012: March 10, 2026 Applies To Windows Server 2012 ESU Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain...

KB5079233: Servicing stack update for Windows Server 2012 R2: March 10, 2026

KB5079233: Servicing stack update for Windows Server 2012 R2: March 10, 2026 Applies To Windows Server 2012 R2 ESU Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certa...

KB5075902: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: February 10, 2026

KB5075902: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: February 10, 2026 Applies To Win 10 Ent LTSB 2016 Windows Server 2016, all editions Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started...

January 17, 2026—KB5077800 (OS Build 20348.4650) Out-of-band

January 17, 2026—KB5077800 OS Build 20348.4650 Out-of-band Applies To Windows Server 2022 This out-of-band update for Windows Server 2022 KB5077800 is cumulative. It includes updates from previous security, along with an additional fix. To learn more about differences between security updates,...

January 17, 2026—KB5077793 (OS Build 26100.32234) Out-of-band

January 17, 2026—KB5077793 OS Build 26100.32234 Out-of-band Applies To Windows Server 2025, all editions This out-of-band update for Windows Server 2025 KB5077793 is cumulative. It includes updates from previous security releases, along with an additional fix. To learn more about differences...

January 17, 2026—KB5077792 (OS Build 25398.2096) Out-of-band

January 17, 2026—KB5077792 OS Build 25398.2096 Out-of-band Applies To Windows Server, version 23H2 This out-of-band update for Windows Server 23H2 KB5077792 is cumulative. It includes updates from previous security, along with an additional fix. To learn more about differences between security...

January 24, 2026—KB5078136 (OS Build 20348.4651) Out-of-band

January 24, 2026—KB5078136 OS Build 20348.4651 Out-of-band Applies To Windows Server 2022 This out-of-band update for Windows Server 2022 KB5078136 is cumulative. It includes updates from previous security, along with an additional fix. To learn more about differences between security updates,...

January 24, 2026—KB5078135 (OS Build 26100.32236) Out-of-band

January 24, 2026—KB5078135 OS Build 26100.32236 Out-of-band Applies To Windows Server 2025, all editions This out-of-band update for Windows Server 2025 KB5078135 is cumulative. It includes updates from previous security releases, along with an additional fix. To learn more about differences...

KB5073447: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: January 13, 2026

KB5073447: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: January 13, 2026 Applies To Win 10 Ent LTSB 2016 Windows Server 2016, all editions Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started...

Servicing stack update for Windows 10, Version 1607: July 9, 2019

Servicing stack update for Windows 10, Version 1607: July 9, 2019 Applies To Windows 10, version 1607, all editions Summary This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Key changes include: Addresses an issue with a Secure Bo...

Servicing stack update for Windows 10, Version 1809: July 22, 2019

Servicing stack update for Windows 10, Version 1809: July 22, 2019 Applies To Windows 10, version 1809, all editions Summary This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Key changes include: Addresses an issue in which an...