HIGH 7.8 Microsoft
CVE-2026-42834
Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability
Microsoft Security Update 2026-May: Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability
Affected Products
- Windows Admin Center in Azure Portal
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42834
- https://nvd.nist.gov/vuln/detail/CVE-2026-42834
This high severity vulnerability with a CVSS score of 7.8 was published on 2026-05-12 via Microsoft. Affected: Windows Admin Center in Azure Portal.
vulnfeed aggregates 9166 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.