CVE-2026-42834

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

Score

CVSS 3.1 7.8 High

Status

Modified - secure@microsoft.com

Published

2026-05-20

Last modified

2026-08-10

Weaknesses

CWE-59

Affected products

• Azure Portal Windows Admin Center (Microsoft)
• Windows Admin Center (Microsoft)

References

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