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Vulnerability record · CVE-2026-53411 · published 16 July 2026

CVE-2026-53411: Zoom workplace virtual desktop infrastructure improper input validation vulnerability

Zoom · Workplace Virtual Desktop Infrastructure

A time-of-check to time-of-use (TOCTOU) race condition in the installation and uninstallation process of certain Zoom Clients for Windows could allow an authenticated local user to escalate privileges.

7.0 CVSS 3.1 High EPSS 0.14% · top 97.2% CWE-20 · Improper input validation
7.0CVSS 3.1 base score
0.14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
12 Aug 2026Last modified by NVD

Description

A time-of-check to time-of-use (TOCTOU) race condition in the installation and uninstallation process of certain Zoom Clients for Windows could allow an authenticated local user to escalate privileges.

CVSS:3.1/AV:L/AC:H/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

LinkTags
https://www.zoom.com/en/trust/security-bulletin/zsb-26013 Vendor Advisory

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Related vulnerabilities

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

9.8CVE-2026-53412Zoom workplace desktop improper input validation vulnerabilityImproper Input Validation in Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and Zoom Meeting SDK for Windows may allow an unauthentica…EPSS 0.53%9.8CVE-2026-30903Zoom workplace desktop vulnerabilityExternal Control of File Name or Path in the Mail feature of Zoom Workplace for Windows before 6.6.0 may allow an unauthenticated user to conduct an …EPSS 0.45%8.8CVE-2025-49457Zoom meeting software development kit untrusted search path vulnerabilityUntrusted search path in certain Zoom Clients for Windows may allow an unauthenticated user to conduct an escalation of privilege via network accessEPSS 0.62%8.8CVE-2025-27439Zoom meeting software development kit vulnerabilityBuffer underflow in some Zoom Workplace Apps may allow an authenticated user to conduct an escalation of privilege via network access.EPSS 0.43%8.8CVE-2025-27440Zoom meeting software development kit vulnerabilityHeap overflow in some Zoom Workplace Apps may allow an authenticated user to conduct an escalation of privilege via network access.EPSS 0.44%8.8CVE-2025-0151Zoom meeting software development kit use after free vulnerabilityUse after free in some Zoom Workplace Apps may allow an authenticated user to conduct an escalation of privilege via network access.EPSS 0.43%8.8CVE-2024-45421Zoom meeting software development kit heap-based buffer overflow vulnerabilityBuffer overflow in some Zoom Apps may allow an authenticated user to conduct an escalation of privilege via network access.EPSS 0.61%8.5CVE-2024-39825Zoom rooms heap-based buffer overflow vulnerabilityBuffer overflow in some Zoom Workplace Apps and Rooms Clients may allow an authenticated user to conduct an escalation of privilege via network acces…EPSS 0.63%

Source: NIST National Vulnerability Database (record CVE-2026-53411), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.