CVE-2026-12591

CVSS 9.9 (critical) · published 2026-11-12

Zohocorp ManageEngine M365 Manager Plus versions below 4818 is affected by an authenticated technician may exploit insufficient permission validation in the delegated administration interface to escalate privileges beyond their intended scope, which could result in remote code execution during administrative processing.

Weakness: CWE-862

Source: NVD CVE-2026-12591

References

• https://www.manageengine.com/microsoft-365-management-reporting/CVE-2026-12591.html

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