CVE-2026-42834

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-42834
Improper access control in Windows Admin Center allows an authorized attacker to elevate privileges over a network.

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42834 Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:microsoft:windows_admin_center:*:*:*:*:*:azure:*:*
History

01 Jun 2026, 19:16

Type Values Removed Values Added
Summary (en) Improper link resolution before file access ('link following') in Azure Portal Windows Admin Center allows an authorized attacker to elevate privileges locally. (en) Improper access control in Windows Admin Center allows an authorized attacker to elevate privileges over a network.

20 May 2026, 18:29

Type Values Removed Values Added
References () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42834 - () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42834 - Vendor Advisory
CPE cpe:2.3:a:microsoft:windows_admin_center:*:*:*:*:*:azure:*:*
First Time Microsoft
Microsoft windows Admin Center

20 May 2026, 13:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-05-20 13:16

Updated : 2026-06-01 19:16

NVD link : CVE-2026-42834

Mitre link : CVE-2026-42834

CVE.ORG link : CVE-2026-42834

JSON object : View

Products Affected

microsoft

  • windows_admin_center
CWE
CWE-59

Improper Link Resolution Before File Access ('Link Following')