CVE-2023-34121

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-06-13 · updated 2026-06-17
Weakness: CWE-79

Description

Improper input validation in the Zoom for Windows, Zoom Rooms, Zoom VDI Windows Meeting clients before 5.14.0 may allow an authenticated user to potentially enable an escalation of privilege via network access.

Affected products

Zoom Video Communications, Inc. Zoom Rooms for Windows: before 5.14.0 — fixed in 5.14.0
Zoom Virtual Desktop Infrastructure: before 5.14.0 — fixed in 5.14.0
Zoom Video Communications, Inc. Zoom Desktop Client for Windows: before 5.14.0 — fixed in 5.14.0

How to fix

Upgrade to a fixed version: Zoom Video Communications, Inc. Zoom Rooms for Windows 5.14.0; Zoom Virtual Desktop Infrastructure 5.14.0; Zoom Video Communications, Inc. Zoom Desktop Client for Windows 5.14.0. Check the vendor advisory for mitigations.

References

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