What is CVE-2026-53414?

CVE-2026-53414 is a medium-severity vulnerability in Zoom Communications Clients, classified under Buffer Over-read. CVSS score: 6.5/10. Published 2026-08-11.

How severe is CVE-2026-53414?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Zoom Communications Clients

CVE-2026-53414

Missing bounds check in the annotator function of Zoom Clients allows buffer over-read, which may allow a meeting participant to conduct a denial of service on another participant via network access.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Zoom Communications Clients — versions see references

Weakness classification (CWE)

CWE-126 — Buffer Over-read

References

security@zoom.us

Frequently asked questions

What is CVE-2026-53414?: CVE-2026-53414 is a medium-severity vulnerability in Zoom Communications Clients, classified under Buffer Over-read. CVSS score: 6.5/10. Published 2026-08-11.
How severe is CVE-2026-53414?: Medium severity. CVSS v3 base score is 6.5 out of 10.