Microsoft 365 admin center vulnerabilities

Latest Microsoft 365 admin center CVEs

Newest publication first

1. CVE-2026-62873 Microsoft 365 Admin Center Elevation of Privilege Vulnerability

   Published 2026-08-06

   Critical·CVSS 9.8 EPSS 0.61%

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

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.