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CVE-2026-53407

Zoom Workplace vulnerability

8.1 HIGHEPSS 0.41%
  1. Published12 Jun 2026

Description

Improper Authorization in Handler for Custom URL Scheme in Zoom Workplace before version 7.0.4 for Android and before 7.0.3 for iOS may allow an unauthenticated user to conduct an escalation of privilege via network access.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected products

Zoom Workplace< 7.0.4 · < 7.0.3

Remediation

Fixed in
Zoom Workplace≥ 7.0.4

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

CVE-2026-534088.1
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Frequently asked

Is CVE-2026-53407 being actively exploited?

CVE-2026-53407 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.41%.

How severe is CVE-2026-53407?

CVE-2026-53407 has a CVSS 3.1 base score of 8.1, rated high. EPSS estimates a 0.41% probability of exploitation.

Which products are affected by CVE-2026-53407?

Affected products include Zoom Workplace.

How do I fix CVE-2026-53407?

Upgrade affected software to a fixed version, for example Zoom Workplace 7.0.4 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-53407 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.