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Vulnerability record · CVE-2025-49458 · published 9 September 2025

CVE-2025-49458: Zoom meeting software development kit classic buffer overflow vulnerability

Zoom · Meeting Software Development Kit

Buffer overflow in certain Zoom Workplace Clients may allow an authenticated user to conduct a denial of service via network access.

6.5 CVSS 3.1 Medium EPSS 0.31% · top 78.5% CWE-120 · Classic buffer overflow
6.5CVSS 3.1 base score
0.31%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

Buffer overflow in certain Zoom Workplace Clients may allow an authenticated 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

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

References

LinkTags
https://www.zoom.com/en/trust/security-bulletin/ZSB-25031 Vendor Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2025-49458), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.