Cyber Resilience

CVE-2026-42834

HighUpdated

Published: 20 May 2026

Published
20 May 2026
Modified
01 June 2026
KEV Added
—
Patch
—
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0040 31.2th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-42834 is a high-severity Link Following (CWE-59) vulnerability in Microsoft Windows Admin Center. Its CVSS base score is 7.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 31.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Improper access control in Windows Admin Center allows an authorized attacker to elevate privileges over a network.

CWE(s)
CWE-59

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
attack.mitre.org →
Why these techniques?

Link following vulnerability (CWE-59) directly enables local privilege escalation via exploitation of the Azure Windows Admin Center component.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

CVEs Like This One

CVE-2026-23660Same product: Microsoft Windows Admin Center
CVE-2026-26119Same product: Microsoft Windows Admin Center
CVE-2026-20965Same product: Microsoft Windows Admin Center
CVE-2026-41086Same product: Microsoft Windows Admin Center
CVE-2026-35438Same product: Microsoft Windows Admin Center
CVE-2026-25187Same vendor: Microsoft
CVE-2025-49739Same vendor: Microsoft
CVE-2025-60710Same vendor: Microsoft
CVE-2026-41091Same vendor: Microsoft
CVE-2025-21420Same vendor: Microsoft

Affected Assets

microsoft
windows admin center
≤ 0.72.0.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References