CVE-2026-62873: Microsoft 365 Admin Center Elevation of Privilege Vulnerability
Published Aug 6, 2026
·Updated
Improper verification of cryptographic signature in Microsoft 365 Admin Center allows an unauthorized attacker to elevate privileges over a network.
Other sources
Microsoft 365 Admin Center Elevation of Privilege Vulnerability
— Microsoft
Affected Software
1 affected component
Microsoft 365 Admin Center
Event History
Aug 6, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·10:37 PM
Data Sourced
via MITRE·10:37 PM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2026-62873?
CVE-2026-62873 has a critical severity rating of 9.8.
2
How can I mitigate CVE-2026-62873?
To mitigate CVE-2026-62873, ensure your Microsoft 365 Admin Center is updated to the latest version.
3
What type of vulnerability is CVE-2026-62873?
CVE-2026-62873 is an elevation of privilege vulnerability in Microsoft 365 Admin Center.
4
What can an attacker do with CVE-2026-62873?
An unauthorized attacker can use CVE-2026-62873 to elevate privileges within the network.
5
When was CVE-2026-62873 published?
CVE-2026-62873 was published on August 6, 2026.