Vulnerability Intelligence Report
CVE-2026-53420
Buffer overflow in a Zoom Phone feature of Zoom Workplace Clients may allow an unauthenticated user to conduct a escalation of privilege via network access.
Memory Corruption
No Active Exploit Signals
CVSS Base Score
8.0
HIGH
Exploitability:1.3
Impact Score:6.1
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-120 ↗CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Zoom Communications | Zoom Workplace | 0 < 7.2.0 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
GitHub Advisory
Vulnerability Class
Memory Corruption
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Zoom Communications, Inc. · Vendor · USA |
| Reserved | 2026-06-09T10:18:05 |
| Published | 2026-10-13T14:22:00 |
| Patch Date | 2026-10-13 |
| Last Updated | 2026-10-14T03:59:02 |
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