CVE-2026-53413highCWE-787

CVE-2026-53413: high-severity vulnerability in Zoom Clients

Zoom Clients - Buffer Over-write

Published · Updated

Follow this CVE+ Monitor Zoom Clients

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

41Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 8.3epss 0.5%
from disclosure to weapon2 days
Published on NVDAug 11
1st PoC+2d
Missing bounds check in the annotator function of Zoom Clients allows buffer over-write, which may allow a meeting participant to achieve remote code execution of another participant via network access.
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Affected products
Zoom Communications · Zoom Clients
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Zoom Clients

In the same product, most dangerous first.

CVE-2026-53415HIGHZoom Clients - Use After FreeEPSS 0.5%CVE-2026-53414MEDIUMZoom Clients - Buffer Over-readEPSS 0.4%CVE-2026-108185HIGHCVE-2026-108185EPSS 0.2%CVE-2026-108184HIGHCVE-2026-108184EPSS 0.2%CVE-2026-53410HIGHZoom Clients for Windows - Race ConditionEPSS 0.1%