Vulnerability Intelligence Report
Zoom Clients - Buffer Over-write
CVE-2026-53413
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.
No Active Exploit Signals
CVSS Base Score
8.3
HIGH
Exploitability:1.7
Impact Score:6.1
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-787 ↗CWE-787 Out-of-bounds write
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Zoom Communications | Zoom Clients | see references (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Zoom Communications, Inc. · Vendor · USA |
| Reserved | 2026-06-09T10:18:05 |
| Published | 2026-08-11T15:55:38 |
| Patch Date | 2026-08-11 |
| Last Updated | 2026-08-12T04:00:13 |
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