PT-2026-42159 · Microsoft · Windows Admin Center

Bocheng Xiang + 1 · CVE-2026-42834 · Published 2026-05-20 · Updated 2026-07-23

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 Admin Center in Azure Portal (affected versions not specified)

Description Improper access control and incorrect link resolution before file access, known as link following, allows an authorized attacker to elevate privileges both locally and over a network.

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 · 5

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42834 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-42834 · Security Note
• https://t.me/CVEtracker/54386 · Telegram Post
• https://twitter.com/vuldb/status/2057095560583417943 · Twitter Post
• https://t.me/cveNotify/216046 · Telegram Post