PT-2026-70077 · Manageengine · M365 Security Plus+1

CVE-2026-16053

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Published

2026-08-11

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Updated

2026-08-11

CVSS v3.1

8.5

High

VectorAV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H
Name of the Vulnerable Software and Affected Versions ManageEngine M365 Manager Plus versions prior to 4820 ManageEngine M365 Security Plus versions prior to 4820
Description An authenticated path traversal issue exists within the Exchange Online backup module. Path traversal is a flaw that allows an attacker to access files and directories that are stored outside the web root folder by manipulating variables such as file paths.
Recommendations Update ManageEngine M365 Manager Plus to version 4820 or later. Update ManageEngine M365 Security Plus to version 4820 or later.

Fix

Relative Path Traversal

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Weakness Enumeration

Related Identifiers

CVE-2026-16053

Affected Products

O365 Manager Plus
M365 Security Plus