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CVE-2025-30663: Zoom Workplace Apps - Time-of-check Time-of-use

• Severity: high (CVSS 7.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-05-14 · updated 2026-06-17
• Weakness: CWE-367

Description

Time-of-check time-of-use race condition in some Zoom Workplace Apps may allow an authenticated user to conduct an escalation of privilege via local access.

Affected products

• Zoom Meeting Software Development Kit: before 6.4.0 — fixed in 6.4.0
• Zoom Video Communications, Inc. Zoom Rooms for Windows: before 6.4.0 — fixed in 6.4.0
• Zoom Rooms Controller: before 6.4.0 — fixed in 6.4.0
• Zoom Workplace: before 6.4.0 — fixed in 6.4.0
• Zoom Communications, Inc Zoom Workplace Desktop App for macOS: before 6.4.0 — fixed in 6.4.0
• Zoom Communications Zoom Workplace VDI Plugin: before 6.1.17; from 6.1.18 before 6.2.13; from 6.2.14 before 6.3.10 — fixed in 6.1.17, 6.2.13, 6.3.10

How to fix

Upgrade to a fixed version: Zoom Meeting Software Development Kit 6.4.0; Zoom Video Communications, Inc. Zoom Rooms for Windows 6.4.0; Zoom Rooms Controller 6.4.0; Zoom Workplace 6.4.0; Zoom Communications, Inc Zoom Workplace Desktop App for macOS 6.4.0; Zoom Communications Zoom Workplace VDI Plugin 6.1.17, 6.2.13, 6.3.10. Check the vendor advisory for mitigations.

References

• https://www.zoom.com/en/trust/security-bulletin/zsb-25016

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