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Vulnerability record · CVE-2025-49464 · published 10 July 2025

CVE-2025-49464: Zoom classic buffer overflow vulnerability

Zoom · Zoom

Classic buffer overflow in certain Zoom Clients for Windows may allow an authorised user to conduct a denial of service via network access.

6.5 CVSS 3.1 Medium EPSS 0.61% · top 52.8% CWE-120 · Classic buffer overflow
6.5CVSS 3.1 base score
0.61%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

Classic buffer overflow in certain Zoom Clients for Windows may allow an authorised user to conduct a denial of service via network access.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://https://www.zoom.com/en/trust/security-bulletin/zsb-25028/ Broken Link

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-49464), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.