PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-53408 Zoom Communications CVE debrief

CVE-2026-53408 is a HIGH severity vulnerability with a CVSS score of 8.1. The vulnerability exists in Zoom Workplace before version 7.0.4 for Android and before 7.0.3 for iOS. An unauthenticated user may conduct an escalation of privilege via network access due to improper authorization in the handler for custom URL schemes.

Vendor
Zoom Communications
Product
Zoom Workplace
CVSS
HIGH 8.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-12
Original CVE updated
2026-06-16
Advisory published
2026-06-12
Advisory updated
2026-06-16

Who should care

Users of Zoom Workplace on Android and iOS should update to the latest versions to mitigate this vulnerability.

Technical summary

The vulnerability is caused by improper authorization in the handler for custom URL schemes in Zoom Workplace. This allows an unauthenticated user to conduct an escalation of privilege via network access.

Defensive priority

HIGH

Recommended defensive actions

  • Update Zoom Workplace to version 7.0.4 or later for Android and version 7.0.3 or later for iOS.

Evidence notes

Vendor and product information inferred from source references.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-53408 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-53408

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-53408 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-53408

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.