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CVE-2026-42834

Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability

Published: May 20, 2026Updated: May 20, 2026 Sources: CVE List NVD
NVD MITRE
7.8CVSS
HIGH

Improper link resolution before file access ('link following') in Azure Portal Windows Admin Center allows an authorized attacker to elevate privileges locally.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High

Weaknesses

CWE-59

Affected Products

Windows Admin Center in Azure Portal
Microsoft
windows admin center
microsoft

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42834
msrc.microsoft.com

Timeline

Published
May 20, 2026
Last Updated
May 20, 2026

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