CVE-2026-32093
highpriority · track · 0EPSS 0.011 · 66 %ileDEEUJPNLRUUSEPSS · scored 2026-10-27
Concurrent execution using shared resource with improper synchronization ('race condition') in Function Discovery Service (fdwsd.dll) allows an authorized attacker to elevate privileges locally.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedWindows 10 Version 1607 for 32-bit Systemsmsrc_csaf
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 Systemsmsrc_csaf
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 Systemsmsrc_csaf
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 Systemsmsrc_csaf
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 Systemsmsrc_csaf
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 Systemsmsrc_csaf
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 Systemsmsrc_csaf
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 Systemsmsrc_csaf
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 Systemsmsrc_csaf
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 Systemsmsrc_csaf
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 Systemsmsrc_csaf
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 Systemsmsrc_csaf
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 Systemsmsrc_csaf
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 Systemsmsrc_csaf
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 Systemsmsrc_csaf
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 Systemsmsrc_csaf
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 Systemsmsrc_csaf
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 Systemsmsrc_csaf
10.0.28000.1836:Security Update:https://support.microsoft.com/help/5083768
https://support.microsoft.com/help/5083768 - FixedWindows Server 2012msrc_csaf
6.2.9200.26026:Monthly Rollup:https://support.microsoft.com/help/5082127
https://support.microsoft.com/help/5082127 - FixedWindows Server 2012 (Server Core installation)msrc_csaf
6.2.9200.26026:Monthly Rollup:https://support.microsoft.com/help/5082127
https://support.microsoft.com/help/5082127 - FixedWindows Server 2012 R2msrc_csaf
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)msrc_csaf
6.3.9600.23132:Monthly Rollup:https://support.microsoft.com/help/5082126
https://support.microsoft.com/help/5082126 - FixedWindows Server 2016msrc_csaf
10.0.14393.9060:Security Update:https://support.microsoft.com/help/5082198
https://support.microsoft.com/help/5082198 - FixedWindows Server 2016 (Server Core installation)msrc_csaf
10.0.14393.9060:Security Update:https://support.microsoft.com/help/5082198
https://support.microsoft.com/help/5082198 - FixedWindows Server 2019msrc_csaf
10.0.17763.8644:Security Update:https://support.microsoft.com/help/5082123
https://support.microsoft.com/help/5082123 - FixedWindows Server 2019 (Server Core installation)msrc_csaf
10.0.17763.8644:Security Update:https://support.microsoft.com/help/5082123
https://support.microsoft.com/help/5082123 - FixedWindows Server 2022msrc_csaf
10.0.20348.5020:Security Update:https://support.microsoft.com/help/5082142
https://support.microsoft.com/help/5082142 - FixedWindows Server 2022 (Server Core installation)msrc_csaf
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)msrc_csaf
10.0.25398.2274:Security Update:https://support.microsoft.com/help/5082060
https://support.microsoft.com/help/5082060 - FixedWindows Server 2025msrc_csaf
10.0.26100.32690:Security Update:https://support.microsoft.com/help/5082063
https://support.microsoft.com/help/5082063 - FixedWindows Server 2025 (Server Core installation)msrc_csaf
10.0.26100.32690:Security Update:https://support.microsoft.com/help/5082063
https://support.microsoft.com/help/5082063
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–7
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (219)
Products and version ranges known to be affected.
- Hitachi Virtual Storage Platform 5100all versionscert_bundDEcpe:/h:hitachi:virtual_storage_platform:5100
- Hitachi Virtual Storage Platform 5100Hall versionscert_bundDEcpe:/h:hitachi:virtual_storage_platform:5100h
- Hitachi Virtual Storage Platform 5200all versionscert_bundDEcpe:/h:hitachi:virtual_storage_platform:5200
- Hitachi Virtual Storage Platform 5200Hall versionscert_bundDEcpe:/h:hitachi:virtual_storage_platform:5200h
- Hitachi Virtual Storage Platform 5500all versionscert_bundDEcpe:/h:hitachi:virtual_storage_platform:5500
- Hitachi Virtual Storage Platform 5500Hall versionscert_bundDEcpe:/h:hitachi:virtual_storage_platform:5500h
- Hitachi Virtual Storage Platform 5600all versionscert_bundDEcpe:/h:hitachi:virtual_storage_platform:5600
- Hitachi Virtual Storage Platform 5600Hall versionscert_bundDEcpe:/h:hitachi:virtual_storage_platform:5600h
- Microsoft Windows Admin Center in Azure Portalall versionscert_bundDEcpe:/a:microsoft:windows_admin_center:in_azure_portal
- Microsoft Windows App Client for Desktopall versionscert_bundDEcpe:/o:microsoft:windows:app_client_for_desktop
- Microsoft Windows Remote Desktop Clientall versionscert_bundDEcpe:/o:microsoft:windows:remote_desktop_client_for_desktop
advisories (5)
Vendor and ecosystem advisories describing this.
- NCSC-2026-0119Kwetsbaarheden verholpen in Microsoft WindowsNL2026-04-15csaf · ncsc_nlNL
Microsoft heeft kwetsbaarheden verholpen in Windows.
- WID-SEC-W-2026-1104Microsoft Windows: Mehrere SchwachstellenDeutsch2026-04-14csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Microsoft Windows Produkten ausnutzen, um seine Privilegien zu erhöhen, um Informationen offenzulegen, um Sicherheitsvorkehrungen zu umgehen, um beliebigen Programmcode auszuführen, um falsche Informationen darzustellen, um einen Denial of Service Angriff durchzuführen, und um einen nicht näher spezifizierten Angriff durchzuführen.
- WID-SEC-W-2026-1730Xerox FreeFlow Print Server: Mehrere Schwachstellen ermöglichen nicht spezifizierten AngriffDeutsch2026-05-28csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Xerox FreeFlow Print Server ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.
- msrc_CVE-2026-32093Windows Function Discovery Service (fdwsd.dll) Elevation of Privilege Vulnerability2026-04-14csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
- JVNDB-2026-018098JVN iPedia advisory JVNDB-2026-0180982026-06-04vendor · jvndbJP
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (3)
External citations — patches, advisories, analysis.
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