CVE-2026-53407 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-2026-53407?
CVE-2026-53407 is a high-severity missing authorization vulnerability in Zoom Workplace, 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-2026-53407?
It affects 1 product.
Products include Zoom Workplace.
How do I fix CVE-2026-53407?
No fix has been published for CVE-2026-53407 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-2026-53407 being exploited?
There is no known exploitation of CVE-2026-53407 in the wild and no public exploit code.
Other vulnerabilities in Zoom Workplace
Sources
Also known as GHSA-xm5c-4gf9-qf8c.