Description
Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.
Published: 2026-10-13
Score: 8.8 High
EPSS: n/a
KEV: No
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

Tue, 13 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Description Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5. Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.
References

Tue, 13 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-269
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/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, 13 Oct 2026 13:00:00 +0000

Type Values Removed Values Added
Description Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5.
Title Privilege escalation in the DOM: Navigation component
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-10-13T18:17:13.518Z

Reserved: 2026-10-13T00:30:00.327Z

Link: CVE-2026-109756

cve-icon Vulnrichment

Updated: 2026-10-13T14:20:49.247Z

cve-icon NVD

Status : Deferred

Published: 2026-10-13T13:17:26.530

Modified: 2026-10-13T19:18:39.830

Link: CVE-2026-109756

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-13T18:30:07Z

Weaknesses
  • CWE-269

    Improper Privilege Management