CVE-2026-8945
Analyzed Analyzed - Analysis Complete
Sandbox Escape in Firefox and Firefox Focus for Android

Publication date: 2026-05-19

Last updated on: 2026-05-21

Assigner: Mozilla Corporation

Description
Sandbox escape in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 151.
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Meta Information
Published
2026-05-19
Last Modified
2026-05-21
Generated
2026-06-10
AI Q&A
2026-05-19
EPSS Evaluated
2026-06-08
NVD
CVE-2026-8945
EUVD
EUVD-2026-30897
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
mozilla firefox to 151.0.0 (exc)
mozilla firefox_focus to 151.0 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-693 The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.
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Executive Summary

This vulnerability is a sandbox escape in Firefox and Firefox Focus for Android. A sandbox escape means that an attacker could potentially break out of the restricted environment (sandbox) that the browser uses to isolate processes, which could allow them to execute code or perform actions outside the intended secure boundaries.

The issue was fixed in Firefox version 151.

Impact Analysis

If exploited, this vulnerability could allow an attacker to bypass the security restrictions of the browser's sandbox on Android devices. This could lead to unauthorized code execution or access to sensitive information outside the browser's protected environment.

Mitigation Strategies

To mitigate this vulnerability, update Firefox and Firefox Focus for Android to version 151 or later, where the sandbox escape issue has been fixed.

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