Description
Sandbox escape in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 151.
Published: 2026-05-19
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 21 May 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla firefox Focus
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:firefox_focus:*:*:*:*:*:android:*:*
Vendors & Products Mozilla firefox Focus

Tue, 19 May 2026 18:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-250
CWE-285

Tue, 19 May 2026 16:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-693
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 19 May 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Weaknesses CWE-250
CWE-285
Vendors & Products Mozilla
Mozilla firefox

Tue, 19 May 2026 13:45:00 +0000

Type Values Removed Values Added
Description Sandbox escape in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 151.
Title Sandbox escape in Firefox and Firefox Focus for Android
References

Subscriptions

Mozilla Firefox Firefox Focus
cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-06-30T02:46:17.365Z

Reserved: 2026-05-19T12:29:34.019Z

Link: CVE-2026-8945

cve-icon Vulnrichment

Updated: 2026-05-19T15:12:02.629Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-19T14:16:50.687

Modified: 2026-06-17T11:04:38.553

Link: CVE-2026-8945

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-19T19:30:12Z

Weaknesses