CVE-2026-74985: Vulnerability in Mozilla Firefox
Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
AI Analysis
Technical Summary
This vulnerability involves privilege escalation within the Enterprise Policies component of Mozilla Firefox. It was identified internally by the Mozilla Fuzzing Team and fixed in Firefox 154 and Firefox ESR 153.1. The Mozilla advisories indicate that this is one of many security issues resolved in these releases, with this particular CVE rated as low impact. The fixes for this and other vulnerabilities were released simultaneously to improve overall browser security.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to escalate privileges within the Firefox browser context via the Enterprise Policies component. However, the impact is assessed as low by Mozilla, indicating limited potential for severe harm compared to other vulnerabilities fixed in the same update cycle.
Mitigation Recommendations
Users and administrators should update to Firefox 154 or Firefox ESR 153.1 or later to remediate this vulnerability. The vendor advisory confirms that the issue is fixed in these versions. No additional mitigation steps are required beyond applying the official update.
CVE-2026-74985: Vulnerability in Mozilla Firefox
Description
Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves privilege escalation within the Enterprise Policies component of Mozilla Firefox. It was identified internally by the Mozilla Fuzzing Team and fixed in Firefox 154 and Firefox ESR 153.1. The Mozilla advisories indicate that this is one of many security issues resolved in these releases, with this particular CVE rated as low impact. The fixes for this and other vulnerabilities were released simultaneously to improve overall browser security.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to escalate privileges within the Firefox browser context via the Enterprise Policies component. However, the impact is assessed as low by Mozilla, indicating limited potential for severe harm compared to other vulnerabilities fixed in the same update cycle.
Mitigation Recommendations
Users and administrators should update to Firefox 154 or Firefox ESR 153.1 or later to remediate this vulnerability. The vendor advisory confirms that the issue is fixed in these versions. No additional mitigation steps are required beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-08-17T11:59:18.049Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-74/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-77/","vendor":"Mozilla"}]
Threat ID: 6a84550fc6e8be0332367760
Added to database: 08/18/2026, 12:50:23 UTC
Last enriched: 08/18/2026, 13:11:58 UTC
Last updated: 08/18/2026, 19:05:04 UTC
Views: 6
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