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CVE-2026-30900— Zoom Workplace Clients for Windows - Improper Check

Quick assessment

Affected
Zoom Communications Inc. Zoom Workplace
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 Clients for Windows是美国Zoom公司的一款视频会议软件。 Zoom Clients for Windows存在安全漏洞，该漏洞源于更新功能中最低版本检查不当，可能导致经过身份验证的用户通过本地访问进行权限提升。

CVSS 7.8 · High EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2026-30900

Vulnerability Information
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Vulnerability Title
Zoom Workplace Clients for Windows - Improper Check
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Check of minimum version in update functionality of certain Zoom Clients for Windows may allow an authenticated user to conduct an escalation of privilege via local access.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对因果或异常条件的不恰当检查
Source: CVE Program / CVE List V5
Vulnerability Title
Zoom Clients for Windows 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zoom Clients for Windows是美国Zoom公司的一款视频会议软件。 Zoom Clients for Windows存在安全漏洞，该漏洞源于更新功能中最低版本检查不当，可能导致经过身份验证的用户通过本地访问进行权限提升。
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 Inc. Zoom Workplace 6.6.0 ~ 6.6.11 -

II. Public POCs for CVE-2026-30900

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III. Intelligence Information for CVE-2026-30900

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Vendor Advisories for CVE-2026-30900 (1)

Same Patch Batch · Zoom Communications Inc. · 2026-03-11 · 3 CVEs total

CVE-2026-30902 7.8 HIGH Zoom Clients for Windows - Improper Privilege Management
CVE-2026-30901 7.0 HIGH Zoom Rooms for Windows - Improper Input Validation

IV. Related Vulnerabilities

Same product: Zoom Workplace
Same vendor: Zoom Communications Inc.
Same weakness: CWE-754

V. Comments for CVE-2026-30900

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