PT-2026-32778 · Microsoft · Windows Universal Plug/Play (Upnp) Device Host+1

Published 2026-04-14 · Updated 2026-04-15 · CVE-2026-27916

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows Universal Plug and Play (UPnP) Device Host (affected versions not specified)

Description A use after free issue in the Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally. Use after free is a condition where a program continues to use a pointer after it has been freed, which can lead to memory corruption.

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

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2026-05348

CVE-2026-27916

Affected Products

Windows

Windows Universal Plug/Play (Upnp) Device Host

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-27916 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27916 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-27916 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-27916 · Security Note
• https://bdu.fstec.ru/vul/2026-05348 · Security Note
• https://twitter.com/CVEnew/status/2044358604313030998 · Twitter Post