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Vulnerability record · CVE-2026-53407 · published 12 June 2026

CVE-2026-53407: Zoom workplace vulnerability

Zoom · Workplace

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.

9.8 CVSS 3.1 Critical EPSS 0.41% · top 67.6% CWE-939 · CWE-939
9.8CVSS 3.1 base score
0.41%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
26 Jun 2026Last modified by NVD

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.zoom.com/en/trust/security-bulletin/zsb-26010 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-62484Zoom meeting software development kit inefficient regular expression (redos) vulnerabilityInefficient regular expression complexity in certain Zoom Workplace Clients before version 6.5.10 may allow an unauthenticated user to conduct an esc…EPSS 0.30%9.8CVE-2025-64741Zoom meeting software development kit injection vulnerabilityImproper authorization handling in Zoom Workplace for Android before version 6.5.10 may allow an unauthenticated user to conduct an escalation of pri…EPSS 0.42%8.8CVE-2025-27439Zoom meeting software development kit vulnerabilityBuffer underflow in some Zoom Workplace Apps may allow an authenticated user to conduct an escalation of privilege via network access.EPSS 0.43%8.8CVE-2025-27440Zoom meeting software development kit vulnerabilityHeap overflow in some Zoom Workplace Apps may allow an authenticated user to conduct an escalation of privilege via network access.EPSS 0.44%8.8CVE-2025-0151Zoom meeting software development kit use after free vulnerabilityUse after free in some Zoom Workplace Apps may allow an authenticated user to conduct an escalation of privilege via network access.EPSS 0.43%8.8CVE-2024-45421Zoom meeting software development kit heap-based buffer overflow vulnerabilityBuffer overflow in some Zoom Apps may allow an authenticated user to conduct an escalation of privilege via network access.EPSS 0.61%8.5CVE-2024-39825Zoom rooms heap-based buffer overflow vulnerabilityBuffer overflow in some Zoom Workplace Apps and Rooms Clients may allow an authenticated user to conduct an escalation of privilege via network acces…EPSS 0.63%8.2CVE-2025-30664Zoom meeting software development kit cross-site scripting vulnerabilityCross-site scripting in some Zoom Workplace Apps may allow an authenticated user to conduct an escalation of privilege via local access.EPSS 0.27%

Source: NIST National Vulnerability Database (record CVE-2026-53407), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.