CVE-2026-32086 — Race Condition in Microsoft Windows 10 Version 1607

CWE-362 — Race Condition4 documents4 sources
Severity
7.0HIGHNVD
EPSS
0.0%
top 89.25%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
15
Microsoft Windows 10 Version 1607Microsoft Windows 10 Version 1809Microsoft Windows 10 Version 21h2+12 more
Timeline
PublishedApr 14

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Function Discovery Service (fdwsd.dll) allows an authorized attacker to elevate privileges locally.

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.0 | Impact: 5.9

Affected Packages15 packages

▶CVEListV5microsoft/windows_server_20126.2.9200.0 — 6.2.9200.26026
▶CVEListV5microsoft/windows_server_201610.0.14393.0 — 10.0.14393.9060
▶CVEListV5microsoft/windows_server_201910.0.17763.0 — 10.0.17763.8644
▶CVEListV5microsoft/windows_server_202210.0.20348.0 — 10.0.20348.5020
▶CVEListV5microsoft/windows_server_202510.0.26100.0 — 10.0.26100.32690

🔴Vulnerability Details

3
CVEList
Windows Function Discovery Service (fdwsd.dll) Elevation of Privilege Vulnerability↗2026-04-14
▶
GHSA
GHSA-m4jj-rwc8-wx57: Concurrent execution using shared resource with improper synchronization ('race condition') in Function Discovery Service (fdwsd↗2026-04-14
▶
VulDB
Microsoft Windows up to Server 2025 Function Discovery Service fdwsd.dll race condition↗2026-04-14
▶