CVE-2026-53413 — HIGH (8.3)

Vulnerability Description

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 Score

8.3

HIGH

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-787

References

https://www.zoom.com/en/trust/security-bulletin/zsb-26015

FAQ

What is CVE-2026-53413?

CVE-2026-53413 is a vulnerability with a CVSS score of 8.3 (HIGH). 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 acces...

How severe is CVE-2026-53413?

CVE-2026-53413 has been rated HIGH with a CVSS base score of 8.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-53413?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.