Zoom Workplace Clients for Windows - Improper Check

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Summary

CVECVE-2026-30900
StatePUBLISHED
AssignerZoom
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-11 15:16:29 UTC
Updated2026-05-14 21:06:34 UTC
DescriptionImproper 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.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

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

EPSS: 0.000190000 probability, percentile 0.055660000 (date 2026-05-25)

Problem Types: CWE-754 | CWE-754 CWE-754: Improper Check for Unusual or Exceptional Conditions

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Zoom Meeting Software Development Kit All All All All
Application Zoom Workplace Desktop All All All All
Application Zoom Workplace Virtual Desktop Infrastructure All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Zoom Communications Inc. Zoom Workplace affected 6.6.0 6.6.11 custom Windows

References

ReferenceSourceLinkTags
www.zoom.com/en/trust/security-bulletin/zsb-26002 [email protected] www.zoom.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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