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CVE-2026-11799

7.5 · HIGH
Published Jun 9, 2026 mozilla CWE-79 EPSS 0.22% (12th pctl)

Overview

CVE-2026-11799 is a high-severity vulnerability affecting mozilla focus. It was published on June 9, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

UXSS in Focus for iOS / Klar Webkit navigation. This vulnerability was fixed in Focus for iOS 151.3.1 and Klar for iOS 151.3.1.

Remediation

Check the references section for vendor advisories and patches from mozilla. Update focus to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
mozilla focus >= 0, < 151.3.1 Affected
mozilla klar >= 0, < 151.3.1 Affected

Frequently Asked Questions

What is CVE-2026-11799?

CVE-2026-11799 is a high-severity vulnerability affecting mozilla focus. It was published on June 9, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-11799?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-11799?

Check the references section for vendor advisories and patches from mozilla. Update focus to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-11799?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-11799 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.