CVE-2026-53408 Missing authorization in Zoom Workplace
An unauthenticated attacker can escalate privileges via network access due to improper authorization in the custom URL scheme handler.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-53408?
CVE-2026-53408 is a high-severity missing authorization vulnerability in Zoom Meeting Software Development Kit, published on 12 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-939
Which versions are affected by CVE-2026-53408?
It affects 2 products.
Products include Zoom Meeting Software Development Kit, Zoom Workplace.
How do I fix CVE-2026-53408?
No fix has been published for CVE-2026-53408 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-53408 being exploited?
There is no known exploitation of CVE-2026-53408 in the wild and no public exploit code.
Other vulnerabilities in Zoom Meeting Software Development Kit
- CVE-2025-49457 Zoom Clients for Windows - Untrusted Search Path
- CVE-2024-24691 Privilege escalation in Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and Zoom Meeting SDK for Windows
- CVE-2025-30663 Zoom Workplace Apps - Time-of-check Time-of-use
- CVE-2025-0147 Zoom Workplace App for Linux - Type Confusion
- CVE-2023-49647 Zoom Desktop Client for Windows - Improper Access Control
Sources
Also known as GHSA-589r-wg5p-vwjq.