CVSS VectorNVD
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
Concurrent execution using shared resource with improper synchronization ('race condition') in Function Discovery Service (fdwsd.dll) allows an authorized attacker to elevate privileges locally.
AnalysisAI
Local privilege escalation in Microsoft Windows Function Discovery Service (fdwsd.dll) allows low-privileged authenticated users to gain SYSTEM-level access via a race condition. Affects all supported Windows 10, 11, and Server versions from 2012 through 2025. …
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RemediationAI
Within 24 hours: Inventory all Windows 10, 11, and Server 2012-2025 systems in your environment and confirm Microsoft patch availability for your specific OS versions. Within 7 days: Deploy Microsoft's vendor-released patch to test and development environments; validate application compatibility. …
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-22535
GHSA-8w6v-5pwp-2m3f