Privilege escalation in the Places component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Mozilla Firefox affected
Version Status Constraints
153.4 unaffected ≤ 153.*
157 unaffected ≤ *

No data.

No data.

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No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://bugzilla.mozilla.org/show_bug.cgi?id=2054767 cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-100/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-97/ cve-icon cve-icon
History

Tue, 29 Sep 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, 29 Sep 2026 13:15:00 +0000

Type Values Removed Values Added
Description Privilege escalation in the Places component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.
Title Privilege escalation in the Places component
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-09-29T13:48:41.140Z

Reserved: 2026-09-26T19:18:43.647Z

Link: CVE-2026-100824

cve-icon Vulnrichment

Updated: 2026-09-29T13:48:37.079Z

cve-icon NVD

Status : Received

Published: 2026-09-29T13:17:47.700

Modified: 2026-09-29T14:17:17.890

Link: CVE-2026-100824

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-29T16:30:18Z

Weaknesses