What is CVE-2023-28601?

CVE-2023-28601 is a high-severity vulnerability in Zoom, classified under CWE-358. CVSS score: 8.3/10. Published 2023-06-13.

How severe is CVE-2023-28601?

High severity. CVSS v3 base score is 8.3 out of 10.

Buffer overflow in Zoom

CVE-2023-28601

Zoom for Windows clients prior to 5.14.0 contain an improper restriction of operations within the bounds of a memory buffer vulnerability. A malicious user may alter protected Zoom Client memory buffer potentially causing integrity issues within the Zoom Client.

Published 2023-06-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (59.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Zoom
Zoom Video Communications, Inc. For Windows Client — versions before 5.14.0

Weakness classification (CWE)

References

explore.zoom.us/en/trust/security/security-bulletin/ (Vendor Advisory)

Frequently asked questions

What is CVE-2023-28601?: CVE-2023-28601 is a high-severity vulnerability in Zoom, classified under CWE-358. CVSS score: 8.3/10. Published 2023-06-13.
How severe is CVE-2023-28601?: High severity. CVSS v3 base score is 8.3 out of 10.