CVE-2026-83506: Untrusted Search Path

Untrusted search path in Servicing Stack Updates allows an authorized attacker to elevate privileges locally...

PT-2026-112408

Name of the Vulnerable Software and Affected Versions Servicing Stack Updates affected versions not specified Description An untrusted search path in Servicing Stack Updates allows an authorized attacker to elevate privileges locally, which can lead to a full system compromise. Recommendations At...

Microsoft Windows: CVE-2026-83506: Servicing Stack Updates Elevation of Privilege Vulnerability

Untrusted search path in Servicing Stack Updates allows an authorized attacker to elevate privileges locally...

CVE-2026-96939: Time-of-check Time-of-use (TOCTOU) Race Condition

Time-of-check time-of-use toctou race condition in Servicing Stack Updates allows an authorized attacker to elevate privileges locally...

CVE-2026-85835: Buffer Over-read

Buffer over-read in Servicing Stack Updates allows an authorized attacker to disclose information locally...

CVE-2026-85318: Heap-based Buffer Overflow

Heap-based buffer overflow in Servicing Stack Updates allows an authorized attacker to elevate privileges locally...

CVE-2026-85365: Heap-based Buffer Overflow

Heap-based buffer overflow in Servicing Stack Updates allows an authorized attacker to elevate privileges locally...

PT-2026-113144

Time-of-check time-of-use toctou race condition in Servicing Stack Updates allows an authorized attacker to elevate privileges locally...

PT-2026-112628

Name of the Vulnerable Software and Affected Versions Servicing Stack Updates affected versions not specified Description A heap-based buffer overflow occurs in Servicing Stack Updates, which allows an authorized attacker to elevate privileges locally. A heap-based buffer overflow is a memory...

January 24, 2026—KB5078133 (OS Build 25398.2097) Out-of-band

January 24, 2026—KB5078133 OS Build 25398.2097 Out-of-band Applies To Windows Server, version 23H2 This out-of-band update for Windows Server 23H2 KB5078133 is cumulative. It includes updates from previous security, along with an additional fix. To learn more about differences between security...

Servicing stack update for Windows 10, version 1803: March 10, 2020

Servicing stack update for Windows 10, version 1803: March 10, 2020 Applies To Windows 10, version 1803, all editions 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...

Servicing stack update for Windows 10, version 1809: June 9, 2020

Servicing stack update for Windows 10, version 1809: June 9, 2020 Applies To Windows 10, version 1809, all editions Windows Server 2019, all editions Applies to Windows 10 Version 1809 for 32-bit Systems Windows 10 Version 1809 for ARM64-based Systems Windows 10 Version 1809 for x64-based Systems...

Servicing stack update for Windows 10, version 1607: June 9, 2020

Servicing stack update for Windows 10, version 1607: June 9, 2020 Applies To Windows 10, version 1607, all editions Applies to Windows 10 Version 1607 for 32-bit Systems Windows 10 Version 1607 for x64-based Systems Windows Server 2016 Windows Server 2016 Server Core installation Summary This...

Servicing stack update for Windows 10, version 1809: March 10, 2020

Servicing stack update for Windows 10, version 1809: March 10, 2020 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. Servicing stack updates SSU makes sure that you have a...

Servicing stack update for Windows Server 2016 version 1709 and Windows 10 version 1709: February 12, 2019

Servicing stack update for Windows Server 2016 version 1709 and Windows 10 version 1709: February 12, 2019 Applies To Windows Server 2016 Version 1709 Windows 10, version 1709, all editions Summary This update makes quality improvements to the servicing stack component that installs Windows...

Servicing stack update for Windows 10, version 1903 and 1909: September 8, 2020

Servicing stack update for Windows 10, version 1903 and 1909: September 8, 2020 Applies To Windows 10, version 1903, all editions Windows 10, version 1909, all editions Applies to Windows 10 Version 1903 for 32-bit Systems Windows 10 Version 1903 for ARM64-based Systems Windows 10 Version 1903 fo...

May 13, 2025—Hotpatch KB5058500 (OS Build 20348.3630)

May 13, 2025—Hotpatch KB5058500 OS Build 20348.3630 Applies To Windows Server 2022 Datacenter: Azure Edition Improvements and fixes This security update includes quality improvements. The following summary outlines key issues addressed by the KB update after you install it. The bold text within t...

June 11, 2025—KB5063060 (OS Build 26100.4351) Out-of-band

June 11, 2025—KB5063060 OS Build 26100.4351 Out-of-band Applies To Windows 11 version 24H2, all editions For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview, see the update history page for Windows 11, version...

March 11, 2025—KB5053599 (OS Build 25398.1486)

March 11, 2025—KB5053599 OS Build 25398.1486 Applies To Windows Server, version 23H2 For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows Server, version 23H2, see its update history page. Improvements...

KB5040562: Servicing stack update for Windows 10, version 1607 and Server 2016: July 9, 2024

KB5040562: Servicing stack update for Windows 10, version 1607 and Server 2016: July 9, 2024 Applies To Win 10 Ent LTSB 2016 Win 10 IoT Ent LTSB 2016 Windows Server 2016 End of support information Note Windows 10, version 1607 Mobile and Mobile Enterprise editions reached the end of support EOS o...