CVE-2026-16053

HIGHCVSS 8.5/10EPSS 0.99%

Last modified

CVE-2026-16053 is a high-severity vulnerability rated 8.5/10 on the CVSS scale. Zohocorp ManageEngine M365 Manager Plus and M365 Security Plus versions below 4820 are affected to Authenticated Path Traversal vulnerability in Exchange Online backup module.. EPSS estimates a 0.99% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
8.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H

EPSS Probability
0.99%

59.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
ZohocorpManageEngine M365 Manager Plus< 4820
ZohocorpManageEngine M365 Security Plus< 4820

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-16053?
Zohocorp ManageEngine M365 Manager Plus and M365 Security Plus versions below 4820 are affected to Authenticated Path Traversal vulnerability in Exchange Online backup module.
How severe is CVE-2026-16053?
CVE-2026-16053 has a CVSS score of 8.5/10 (HIGH severity). The EPSS model estimates a 0.99% probability of exploitation in the next 30 days.
How do I fix CVE-2026-16053?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST