CVE-2026-62873

Microsoft 365 Admin Center Elevation of Privilege Vulnerability

Published Aug 6, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
Improper verification of cryptographic signature in Microsoft 365 Admin Center allows an unauthorized attacker to elevate privileges over a network.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Microsoft windows Admin Center
Vendors & Products Microsoft windows Admin Center
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper verification of cryptographic signature in Microsoft 365 Admin Center allows an unauthorized attacker to elevate privileges over a network.
Title Microsoft 365 Admin Center Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft 365 Admin Center
Weaknesses CWE-347
CPEs cpe:2.3:a:microsoft:365_admin_center:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft 365 Admin Center
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 10, 2026, 9:57 PM
Reserved
Jul 14, 2026, 9:13 PM
Status
Analyzed
Published
Aug 7, 2026, 12:16 AM
Modified
Oct 24, 2026, 4:10 PM