CVE Catalog

CVE-2026-53420

HighCVSS 8.0
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.25%

15th percentile - higher than 15% of all known CVEs

Summary

Buffer overflow in a Zoom Phone feature of Zoom Workplace Clients may allow an unauthenticated user to conduct an escalation of privilege via network access.

Risk Assessment

An attacker with network access could exploit the vulnerability to escalate privileges and potentially take over the system. This may lead to confidentiality and integrity breaches.

Recommendation

Update Zoom Workplace Clients to the latest patched version. Restrict network access to trusted networks where possible.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS