Vulnerability Intelligence Report
CVE-2026-53407
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.
No Active Exploit Signals
CVSS Base Score
8.1
HIGH
Exploitability:2.9
Impact Score:5.2
EPSS Probability:0.21%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-939 ↗CWE-939 Improper authorization in handler for custom URL scheme
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Zoom Communications | Zoom Workplace | 0 < 7.0.4 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.211%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Zoom Communications, Inc. · Vendor · USA |
| Reserved | 2026-06-09T10:12:34 |
| Published | 2026-06-12T17:56:26 |
| Patch Date | 2026-06-10 |
| Last Updated | 2026-06-16T03:55:57 |
Community Chatter & Buzz