Description
Privilege escalation in the Request Handling component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
Published: 2026-08-18
Score: 8.8 High
EPSS: n/a
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

Tue, 18 Aug 2026 14:30:00 +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, 18 Aug 2026 14:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Vendors & Products Mozilla
Mozilla firefox

Tue, 18 Aug 2026 13:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284

Tue, 18 Aug 2026 12:45:00 +0000

Type Values Removed Values Added
Description Privilege escalation in the Request Handling component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
Title Privilege escalation in the Request Handling component
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-08-18T14:05:13.560Z

Reserved: 2026-08-17T11:58:10.442Z

Link: CVE-2026-74955

cve-icon Vulnrichment

Updated: 2026-08-18T14:05:00.780Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-08-18T13:17:32.493

Modified: 2026-08-18T14:49:11.260

Link: CVE-2026-74955

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-18T13:45:04Z

Weaknesses