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Vulnerability record · CVE-2023-34120 · published 13 June 2023

CVE-2023-34120: Zoom virtual desktop infrastructure improper verification of cryptographic signature vulnerability

Zoom · Virtual Desktop Infrastructure

Improper privilege management in Zoom for Windows, Zoom Rooms for Windows, and Zoom VDI for Windows clients before 5.14.0 may allow an authenticated user to potentially enable an escalation of privilege via local access. Users may potentially utilize higher level system privileges maintained by the Zoom client to spawn processes with escalated privileges.

7.8 CVSS 3.1 High EPSS 0.13% · top 97.6% CWE-347 · Improper verification of cryptographic signature
7.8CVSS 3.1 base score
0.13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Improper privilege management in Zoom for Windows, Zoom Rooms for Windows, and Zoom VDI for Windows clients before 5.14.0 may allow an authenticated user to potentially enable an escalation of privilege via local access. Users may potentially utilize higher level system privileges maintained by the Zoom client to spawn processes with escalated privileges.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-39213Zoom virtual desktop infrastructure injection vulnerabilityImproper neutralization of special elements in Zoom Desktop Client for Windows and Zoom VDI Client before 5.15.2 may allow an unauthenticated user to…EPSS 1.4%9.8CVE-2021-34423Zoom meetings classic buffer overflow vulnerabilityA buffer overflow vulnerability was discovered in Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.8.4, Zoom C…EPSS 3.3%9.6CVE-2022-28763Zoom meetings improper input validation vulnerabilityThe Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.12.2 is susceptible to a URL parsing vulnerability. If a …EPSS 1.2%8.8CVE-2023-43586Zoom meeting software development kit untrusted search path vulnerabilityPath traversal in Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and Zoom SDKs for Windows may allow an authenticated user to conduct …EPSS 0.99%8.8CVE-2023-43582Zoom meetings improper authentication vulnerabilityImproper authorization in some Zoom clients may allow an authorized user to conduct an escalation of privilege via network access.EPSS 0.66%8.8CVE-2023-34121Zoom rooms cross-site scripting vulnerabilityImproper input validation in the Zoom for Windows, Zoom Rooms, Zoom VDI Windows Meeting clients before 5.14.0 may allow an authenticated user to pote…EPSS 0.95%7.8CVE-2023-49647Zoom meeting software development kit vulnerabilityImproper access control in Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and Zoom SDKs for Windows before version 5.16.10 may allow a…EPSS 0.25%7.5CVE-2023-39206Zoom meetings classic buffer overflow vulnerabilityBuffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of service via network access.EPSS 1.1%

Source: NIST National Vulnerability Database (record CVE-2023-34120), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.