CVE-2026-100824: Vulnerability in Mozilla Firefox
Privilege escalation in the Places component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.
AI Analysis
Technical Summary
This vulnerability involves privilege escalation within the Places component of Mozilla Firefox. It was identified and fixed by Mozilla in Firefox ESR 153.4 and Firefox 157. The Mozilla advisory lists this issue among multiple high-impact vulnerabilities resolved in these releases. No exploit in the wild has been reported. The fix is officially available from Mozilla.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to escalate privileges within the Firefox browser, potentially leading to unauthorized actions or access. The impact is rated high by the vendor. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Mozilla has released official fixes for this vulnerability in Firefox ESR 153.4 and Firefox 157. Users should update to these versions or later to remediate the issue. No additional mitigation steps are necessary beyond applying the official update.
CVE-2026-100824: Vulnerability in Mozilla Firefox
Description
Privilege escalation in the Places component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.
CVSS v3.1
Score 8.8high
Affected software
Mozilla
Firefox
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves privilege escalation within the Places component of Mozilla Firefox. It was identified and fixed by Mozilla in Firefox ESR 153.4 and Firefox 157. The Mozilla advisory lists this issue among multiple high-impact vulnerabilities resolved in these releases. No exploit in the wild has been reported. The fix is officially available from Mozilla.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to escalate privileges within the Firefox browser, potentially leading to unauthorized actions or access. The impact is rated high by the vendor. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Mozilla has released official fixes for this vulnerability in Firefox ESR 153.4 and Firefox 157. Users should update to these versions or later to remediate the issue. No additional mitigation steps are necessary beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-09-26T19:18:43.647Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-100/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-97/","vendor":"Mozilla"}]
Threat ID: 6abbb3f7f7a7c541066409c4
Added to database: 09/29/2026, 12:49:59 UTC
Last enriched: 09/29/2026, 13:03:10 UTC
Last updated: 09/29/2026, 18:20:13 UTC
Views: 8
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