Windows Function Discovery Service (fdwsd.dll) Elevation of Privilege Vulnerability
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-32093US | — | — | ||
Concurrent execution using shared resource with improper synchronization ('race condition') in Function Discovery Service (fdwsd.dll) allows an authorized attacker to elevate privi… | ||||
references
External citations — patches, advisories, analysis.
- CVE-2026-32093 Windows Function Discovery Service (fdwsd.dll) Elevation of Privilege Vulnerability - CSAFself
- CVE-2026-32093 Windows Function Discovery Service (fdwsd.dll) Elevation of Privilege Vulnerability - HTMLself
- Microsoft Support Lifecycleexternal
- Common Vulnerability Scoring Systemexternal
- Microsoft Exploitability Indexexternal
remediations (31)
- FixedWindows 10 Version 1607 for 32-bit Systems
10.0.14393.9060:Security Update:https://support.microsoft.com/help/5082198
https://support.microsoft.com/help/5082198 - FixedWindows 10 Version 1607 for x64-based Systems
10.0.14393.9060:Security Update:https://support.microsoft.com/help/5082198
https://support.microsoft.com/help/5082198 - FixedWindows 10 Version 1809 for 32-bit Systems
10.0.17763.8644:Security Update:https://support.microsoft.com/help/5082123
https://support.microsoft.com/help/5082123 - FixedWindows 10 Version 1809 for x64-based Systems
10.0.17763.8644:Security Update:https://support.microsoft.com/help/5082123
https://support.microsoft.com/help/5082123 - FixedWindows 10 Version 21H2 for 32-bit Systems
10.0.19044.7184:Security Update:https://support.microsoft.com/help/5082200
https://support.microsoft.com/help/5082200 - FixedWindows 10 Version 21H2 for ARM64-based Systems
10.0.19044.7184:Security Update:https://support.microsoft.com/help/5082200
https://support.microsoft.com/help/5082200 - FixedWindows 10 Version 21H2 for x64-based Systems
10.0.19044.7184:Security Update:https://support.microsoft.com/help/5082200
https://support.microsoft.com/help/5082200 - FixedWindows 10 Version 22H2 for 32-bit Systems
10.0.19045.7184:Security Update:https://support.microsoft.com/help/5082200
https://support.microsoft.com/help/5082200 - FixedWindows 10 Version 22H2 for ARM64-based Systems
10.0.19045.7184:Security Update:https://support.microsoft.com/help/5082200
https://support.microsoft.com/help/5082200 - FixedWindows 10 Version 22H2 for x64-based Systems
10.0.19045.7184:Security Update:https://support.microsoft.com/help/5082200
https://support.microsoft.com/help/5082200 - FixedWindows 11 Version 23H2 for ARM64-based Systems
10.0.22631.6936:Security Update:https://support.microsoft.com/help/5082052
https://support.microsoft.com/help/5082052 - FixedWindows 11 Version 23H2 for x64-based Systems
10.0.22631.6936:Security Update:https://support.microsoft.com/help/5082052
https://support.microsoft.com/help/5082052 - FixedWindows 11 Version 24H2 for ARM64-based Systems
10.0.26100.8246:Security Update:https://support.microsoft.com/help/5083769
https://support.microsoft.com/help/5083769 - FixedWindows 11 Version 24H2 for x64-based Systems
10.0.26100.8246:Security Update:https://support.microsoft.com/help/5083769
https://support.microsoft.com/help/5083769 - FixedWindows 11 Version 25H2 for ARM64-based Systems
10.0.26200.8246:Security Update:https://support.microsoft.com/help/5083769
https://support.microsoft.com/help/5083769 - FixedWindows 11 Version 25H2 for x64-based Systems
10.0.26200.8246:Security Update:https://support.microsoft.com/help/5083769
https://support.microsoft.com/help/5083769 - FixedWindows 11 Version 26H1 for ARM64-based Systems
10.0.28000.1836:Security Update:https://support.microsoft.com/help/5083768
https://support.microsoft.com/help/5083768 - FixedWindows 11 version 26H1 for x64-based Systems
10.0.28000.1836:Security Update:https://support.microsoft.com/help/5083768
https://support.microsoft.com/help/5083768 - FixedWindows Server 2012
6.2.9200.26026:Monthly Rollup:https://support.microsoft.com/help/5082127
https://support.microsoft.com/help/5082127 - FixedWindows Server 2012 (Server Core installation)
6.2.9200.26026:Monthly Rollup:https://support.microsoft.com/help/5082127
https://support.microsoft.com/help/5082127 - FixedWindows Server 2012 R2
6.3.9600.23132:Monthly Rollup:https://support.microsoft.com/help/5082126
https://support.microsoft.com/help/5082126 - FixedWindows Server 2012 R2 (Server Core installation)
6.3.9600.23132:Monthly Rollup:https://support.microsoft.com/help/5082126
https://support.microsoft.com/help/5082126 - FixedWindows Server 2016
10.0.14393.9060:Security Update:https://support.microsoft.com/help/5082198
https://support.microsoft.com/help/5082198 - FixedWindows Server 2016 (Server Core installation)
10.0.14393.9060:Security Update:https://support.microsoft.com/help/5082198
https://support.microsoft.com/help/5082198 - FixedWindows Server 2019
10.0.17763.8644:Security Update:https://support.microsoft.com/help/5082123
https://support.microsoft.com/help/5082123 - FixedWindows Server 2019 (Server Core installation)
10.0.17763.8644:Security Update:https://support.microsoft.com/help/5082123
https://support.microsoft.com/help/5082123 - FixedWindows Server 2022
10.0.20348.5020:Security Update:https://support.microsoft.com/help/5082142
https://support.microsoft.com/help/5082142 - FixedWindows Server 2022 (Server Core installation)
10.0.20348.5020:Security Update:https://support.microsoft.com/help/5082142
https://support.microsoft.com/help/5082142 - FixedWindows Server 2022, 23H2 Edition (Server Core installation)
10.0.25398.2274:Security Update:https://support.microsoft.com/help/5082060
https://support.microsoft.com/help/5082060 - FixedWindows Server 2025
10.0.26100.32690:Security Update:https://support.microsoft.com/help/5082063
https://support.microsoft.com/help/5082063 - FixedWindows Server 2025 (Server Core installation)
10.0.26100.32690:Security Update:https://support.microsoft.com/help/5082063
https://support.microsoft.com/help/5082063
Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.
Free scan