CVE-2026-32093

CWE-122 — Heap-based Buffer OverflowCWE-362 — Race ConditionCWE-3673 documents3 sources
Severity
7.0HIGH
EPSS
No EPSS data
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
20
Microsoft Windows 10 Version 1607Microsoft Windows 10 Version 1809Microsoft Windows 10 Version 21h2+17 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 Packages20 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

2
CVEList
Windows Function Discovery Service (fdwsd.dll) Elevation of Privilege Vulnerability↗2026-04-14
▶
VulDB
Microsoft Windows up to Server 2025 Function Discovery Service fdwsd.dll race condition↗2026-04-14
▶
CVE-2026-32093 (HIGH CVSS 7) | Concurrent execution using shared r | cvebase.io