CVE-2026-84117
HIGHCVSS 8.8/10EPSS 0.25%
Last modified
CVE-2026-84117 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Privilege escalation in Firefox for Android. This vulnerability was fixed in Firefox 155.. EPSS estimates a 0.25% chance of exploitation in the next 30 days.
Description
Privilege escalation in Firefox for Android. This vulnerability was fixed in Firefox 155.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox Mobile | < 155.0 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2053320Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2026-82/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-84117?
Privilege escalation in Firefox for Android. This vulnerability was fixed in Firefox 155.
How severe is CVE-2026-84117?
CVE-2026-84117 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.
How do I fix CVE-2026-84117?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
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Are you affected by CVE-2026-84117?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST