# CVE-2026-53418: Zoom Workplace for Android improper authorization in custom URL scheme handler

Source: https://junglewise.ai/threats/cve-2026-53418-improper-authorization-in-handler-for-custom-url-scheme-in-zoom  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-13. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-53418 · Severity: high · CVSS 8.1 · Published 2026-10-13

Zoom Workplace for Android is the company's mobile collaboration app used for video meetings, chat, and messaging. A flaw in how the app handles custom URL links allows an unauthenticated attacker to escalate their privileges on a device by sending a specially crafted link, potentially gaining unauthorized access to sensitive features or user data.

Vendors: [Zoom](https://junglewise.ai/threats/vendors/zoom).

## Quick answers

**Is CVE-2026-53418 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-53418 being exploited in the wild.

**How severe is CVE-2026-53418?** High severity, with a CVSS score of 8.1, published 13 October 2026.

**Which products and versions are affected?** Zoom Workplace for Android before 7.2.1.

**Is there a fix for CVE-2026-53418?** Yes: fixed in 7.2.1. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-53418 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-53418?** Check whether you run Zoom Workplace for Android at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in 7.2.1

## Technical details

The vulnerability is an improper authorization flaw in the custom URL scheme handler in Zoom Workplace for Android versions before 7.2.1. An unauthenticated attacker can exploit this via network access by crafting a malicious URL that bypasses authorization checks, leading to privilege escalation. The attack requires user interaction (clicking the link) but no prior authentication.

## Affected products

- Zoom Workplace for Android before 7.2.1

## Timeline

- 2026-10-13: disclosed

## References

- [https://www.zoom.com/en/trust/security-bulletin/zsb-26019](https://www.zoom.com/en/trust/security-bulletin/zsb-26019)

## Related threats

- [Zoom Workplace improper certificate validation in My Notes](https://junglewise.ai/threats/cve-2026-108185-improper-certificate-validation-in-the-my-notes-feature-of)