CVE-2025-27439: high-severity vulnerability in Zoom Workplace Apps
Zoom Apps - Buffer Underflow
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.5epss 0.4%
Buffer underflow in some Zoom Workplace Apps may allow an authenticated user to conduct an escalation of privilege via network access.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected products
Zoom Communications, Inc · Zoom Workplace AppsRelated CVEs — Zoom Workplace Apps
In the same product, most dangerous first.
CVE-2025-46785MEDIUMZoom Workplace Apps for Windows - Buffer Over-readEPSS 0.6%CVE-2025-30668MEDIUMZoom Workplace Apps - NULL Pointer DereferenceEPSS 0.6%CVE-2025-30667MEDIUMZoom Workplace Apps - NULL Pointer DereferenceEPSS 0.6%CVE-2025-27440HIGHZoom Apps - Heap-based Buffer OverflowEPSS 0.4%CVE-2025-0151HIGHZoom Apps - Use After FreeEPSS 0.4%CVE-2024-45424MEDIUMZoom Workplace Apps - Business Logic ErrorEPSS 0.4%