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CVE-2026-53410— Zoom Clients for Windows - Race Condition

Quick assessment

Affected
Zoom Communications Zoom Clients
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

zoom是美国Zoom公司的一个视频会议协作平台。 zoom存在竞争条件问题漏洞，该漏洞源于安装和卸载过程中的TOCTOU竞争条件问题，可能导致经过身份验证的本地用户提升权限。

CVSS 7.0 · High EPSS 0.10% · P1

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 1

VendorProduct Version RangeStatus
Zoom Communications Zoom Clients see references affected
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I. Basic Information for CVE-2026-53410

Vulnerability Information
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Vulnerability Title
Zoom Clients for Windows - Race Condition
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: CVE Program / CVE List V5
Vulnerability Title
zoom 竞争条件问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
zoom是美国Zoom公司的一个视频会议协作平台。 zoom存在竞争条件问题漏洞，该漏洞源于安装和卸载过程中的TOCTOU竞争条件问题，可能导致经过身份验证的本地用户提升权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Zoom Communications Zoom Clients see references -

II. Public POCs for CVE-2026-53410

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III. Intelligence Information for CVE-2026-53410

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Vendor Advisories for CVE-2026-53410 (1)

Same Patch Batch · Zoom Communications · 2026-07-16 · 4 CVEs total

CVE-2026-53412 9.8 CRITICAL Zoom Workplace VDI Plugin for Windows - Improper Input Validation
CVE-2026-53409 7.8 HIGH Zoom Rooms 输入验证错误漏洞
CVE-2026-53411 7.8 HIGH Zoom Workplace VDI Plugin for Windows - Improper Input Validation

IV. Related Vulnerabilities

Same product: Zoom Clients
Same vendor: Zoom Communications
Same weakness: CWE-367

V. Comments for CVE-2026-53410

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