Vulnerability in Zoom Meeting Software Development Kit
CVE-2025-30663
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.
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.001 (3.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000
Affected products
Weakness classification (CWE)
References
- www.zoom.com/en/trust/security-bulletin/zsb-25016 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-30663?
- CVE-2025-30663 is a high-severity vulnerability in Zoom Meeting Software Development Kit, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 8.8/10. Published 2025-05-14.
- How severe is CVE-2025-30663?
- High severity. CVSS v3 base score is 8.8 out of 10.