Zoom Clients - Buffer Over-write

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-53413
StatePUBLISHED
AssignerZoom
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-11 16:17:32 UTC
Updated2026-08-12 05:17:55 UTC
DescriptionMissing bounds check in the annotator function of Zoom Clients allows buffer over-write, which may allow a meeting participant to achieve remote code execution of another participant via network access.

Risk And Classification

Primary CVSS: v3.1 8.3 HIGH from [email protected]

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

EPSS: 0.004090000 probability, percentile 0.338420000 (date 2026-08-12)

Problem Types: CWE-787 | CWE-787 CWE-787 Out-of-bounds write

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.3HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
3.1CNACVSS8.3HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Zoom Communications Zoom Clients affected see references custom Windows, MacOS, Linux, iOS, Android

References

ReferenceSourceLinkTags
www.zoom.com/en/trust/security-bulletin/zsb-26015 [email protected] www.zoom.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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