PT-2026-32818 · Microsoft · Function Discovery Service+1

Published 2026-04-14 · Updated 2026-04-17 · CVE-2026-32093

Positive Technologies (AI Summary)

CVSS v3.1

7.0

High

Base vector

AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Function Discovery Service (fdwsd.dll) (affected versions not specified)

Description A race condition occurs in the Function Discovery Service (fdwsd.dll) due to concurrent execution using a shared resource with improper synchronization. This allows an authorized attacker to elevate privileges locally.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Heap Based Buffer Overflow

Race Condition

Time Of Check To Time Of Use

Weakness Enumeration

CWE-122

CWE-362

CWE-367

Related Identifiers

BDU:2026-05427

CVE-2026-32093

Affected Products

Function Discovery Service

Windows

References · 6

• https://bdu.fstec.ru/vul/2026-05427 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32093 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-32093 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-32093 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-32093 · Security Note
• https://twitter.com/CVEnew/status/2045112960235053131 · Twitter Post