PT-2026-42159 · Microsoft · Windows Admin Center

Bocheng Xiang + 1 · Published 2026-05-20 · Updated 2026-05-20 · CVE-2026-42834

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 Azure Portal Windows Admin Center (affected versions not specified)

Description Improper link resolution before file access, also known as link following, 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.

LPE

Link Following

Weakness Enumeration

CWE-59

Related Identifiers

CVE-2026-42834

Affected Products

Windows Admin Center

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-42834 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42834 · Vendor Advisory
• https://twitter.com/vuldb/status/2057095560583417943 · Twitter Post
• https://t.me/CVEtracker/54386 · Telegram Post