Missing bounds check in the annotator function of Zoom Clients allows buffer over-read, which may allow a meeting participant to conduct a denial of service on another participant via network access.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Zoom Communications Zoom Clients unaffected
Version Status Constraints
see references affected —

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.zoom.com/en/trust/security-bulletin/zsb-26016 cve-icon cve-icon
History

Tue, 11 Aug 2026 16:15:00 +0000

Type Values Removed Values Added
Description Missing bounds check in the annotator function of Zoom Clients allows buffer over-read, which may allow a meeting participant to conduct a denial of service on another participant via network access.
Title Zoom Clients - Buffer Over-read
Weaknesses CWE-126
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Zoom

Published:

Updated: 2026-08-11T16:55:01.452Z

Reserved: 2026-06-09T10:18:05.660Z

Link: CVE-2026-53414

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-11T16:17:32.713

Modified: 2026-08-11T17:18:03.143

Link: CVE-2026-53414

cve-icon Redhat

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cve-icon OpenCVE Enrichment

No data.

Weaknesses