MajorCritical vulnerability

CVE-2026-53420 (CVSS 8.0)

NVD · officialPublished Oct 13, 2026Risk 37/100

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.

Technical details

CVSS

8.0

AV:NetworkAC:HighPR:LowUI:RequiredC:HighI:HighA:High

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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