CVE-2026-32086: Windows Function Discovery Service (fdwsd.dll) Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Function Discovery Service (fdwsd.dll) allows an authorized attacker to elevate privileges locally.
Other sources
Windows Function Discovery Service (fdwsd.dll) Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7184Patch KB5082200 - Upgrade
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Fixed in 10.0.20348.5020Patch KB5082142 - Upgrade
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Fixed in 10.0.28000.1836Patch KB5083768 - Upgrade
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Fixed in 10.0.17763.8644Patch KB5082123 - Upgrade
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Fixed in 6.2.9200.26026Patch KB5082127 - Upgrade
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Fixed in 10.0.14393.9060Patch KB5082198 - Upgrade
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Fixed in 6.3.9600.23132Patch KB5082126 - Upgrade
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Fixed in 10.0.22631.6936Patch KB5082052 - Upgrade
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Fixed in 10.0.26100.32690Patch KB5082063 - Upgrade
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Fixed in 10.0.26100.8246Patch KB5083769 - Upgrade
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Fixed in 10.0.19045.7184Patch KB5082200 - Upgrade
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Fixed in 10.0.25398.2274Patch KB5082060 - Upgrade
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Fixed in 10.0.26200.8246Patch KB5083769
Event History
Frequently Asked Questions
What is the severity of CVE-2026-32086?
CVE-2026-32086 has a high severity rating due to its potential for local privilege escalation.
How do I fix CVE-2026-32086?
To fix CVE-2026-32086, install the latest patches provided by Microsoft for affected Windows versions.
Which versions of Windows are affected by CVE-2026-32086?
CVE-2026-32086 affects multiple Windows versions including Windows 10, Windows 11, Windows Server 2019, and Windows Server 2022.
What type of vulnerability is CVE-2026-32086?
CVE-2026-32086 is classified as an elevation of privilege vulnerability resulting from improper synchronization.
Can CVE-2026-32086 be exploited remotely?
No, CVE-2026-32086 requires local access to exploit, making it a local privilege escalation issue.