CVE-2026-53408 PUBLISHED

Assigner: Zoom
Reserved: 09.06.2026 Published: 12.06.2026 Updated: 12.06.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS Score: 8.1

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Zoom Communications
Product	Zoom Workplace
Versions	Default: unaffected affected from 0 to 7.0.4 (excl.)

References

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

Problem Types

CWE-939 Improper authorization in handler for custom URL scheme CWE