CVE-2026-62873

CRITICAL CVSS 9.8 View on NVD ↗

Improper verification of cryptographic signature in Microsoft 365 Admin Center allows an unauthorized attacker to elevate privileges over a network.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

microsoft/windows_admin_center

Published: Aug 07, 2026 00:16 UTC Modified: Aug 07, 2026 18:11 UTC