CVE-2026-53413

Zoom Clients - Buffer Over-write

Published Aug 11, 2026 CVSS 3.1 · 8.3 High EPSS < 1% KEV · Not listed
Description
Missing 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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Zoom Communications
Zoom Communications zoom Clients
Vendors & Products Zoom Communications
Zoom Communications zoom Clients
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Missing 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.
Title Zoom Clients - Buffer Over-write
Weaknesses CWE-787
References
Metrics cvssV3_1

{'score': 8.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Zoom
Published
Updated
Aug 12, 2026, 4:00 AM
Reserved
Jun 9, 2026, 10:18 AM
Status
Awaiting Analysis
Published
Aug 11, 2026, 4:17 PM
Modified
Oct 24, 2026, 4:10 PM