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CVE-2026-16053

Path Traversal

HIGH
8.5
CVSS Score
Published: August 11, 2026 at 06:36 AM UTC
Updated: August 31, 2026 at 07:36 PM UTC
2 products affected across 1 vendorManageengine M365 Manager PlusManageengine M365 Security Plus

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Severity
HIGH8.5
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

Zohocorp ManageEngine M365 Manager Plus and M365 Security Plus versions below 4820 are affected to Authenticated Path Traversal vulnerability in Exchange Online backup module.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Manageengine M365 Manager Plus· Zohocorp
95%
v < 4820
Affected range stops below 4820, so it looks safe — our inference, not a vendor statement
Manageengine M365 Security Plus· Zohocorp
95%
v < 4820
Affected range stops below 4820, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://www.manageengine.com/microsoft-365-management-reporting/CVE-2026-16053.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.5HIGHZohocorp
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-23

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