CVE-2026-12591: Privilege Escalation

Published Nov 12, 2026
·
Updated

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.

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Zohocorp ManageEngine M365 Manager Plus to a version that resolves this vulnerability.

    Fixed in 4818

Event History

Nov 12, 2026
CVE Published
via MITRE·06:55 AM
Data Sourced
via MITRE·06:55 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:16 AM
DescriptionSeverityWeakness

Frequently Asked Questions

1

Which accounts are exposed to this issue?

Technician accounts that can authenticate to the delegated administration interface are the relevant exposure point. The flaw allows a technician to obtain privileges beyond their intended scope.

2

Does exploiting this issue require prior access?

Yes. Exploitation requires authentication as a technician, but it does not require user interaction and can be performed remotely.

3

What could a successful attacker achieve?

A successful attacker could escalate privileges through insufficient permission validation and potentially achieve remote code execution during administrative processing.

4

Which versions need remediation?

ManageEngine M365 Manager Plus versions below 4818 are affected.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203