# Mozilla Firefox Mobile vulnerabilities

Source: https://junglewise.ai/threats/technologies/firefox-mobile  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 11 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/firefox-mobile.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 7 vulnerabilities in Mozilla Firefox Mobile: 0 in the last 7 days and 7 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-84135, was published on 1 September 2026. Nothing was published in the last eight weeks.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 7
- All time: 7 (1 critical, 0 exploited in the wild)

## About Mozilla Firefox Mobile

The mobile version of the Firefox web browser developed for Android and iOS devices.

## Latest Mozilla Firefox Mobile vulnerabilities

- [CVE-2026-84135: Mozilla Firefox Focus for Android other issue](https://junglewise.ai/threats/cve-2026-84135-mozilla-firefox-focus-for-android-other-issue) (critical, CVSS 9.8, published 1 Sep 2026)
- [CVE-2026-84127: Mozilla Firefox for Android information disclosure in WebExtensions](https://junglewise.ai/threats/cve-2026-84127-mozilla-firefox-for-android-information-disclosure-in) (medium, CVSS 4.3, published 1 Sep 2026)
- [CVE-2026-84117: Mozilla Firefox privilege escalation in Android](https://junglewise.ai/threats/cve-2026-84117-mozilla-firefox-privilege-escalation-in-android) (high, CVSS 8.8, published 1 Sep 2026)
- [CVE-2026-81267: Mozilla Firefox for iOS address bar spoofing in popup navigation](https://junglewise.ai/threats/cve-2026-81267-mozilla-firefox-for-ios-address-bar-spoofing-in-popup-navigation) (medium, CVSS 5.4, published 31 Aug 2026)
- [CVE-2026-74980: Mozilla Firefox for Android clickjacking in Downloads component](https://junglewise.ai/threats/cve-2026-74980-mozilla-firefox-for-android-clickjacking-in-downloads-component) (medium, CVSS 6.5, published 18 Aug 2026)
- [CVE-2026-74975: Mozilla Firefox for Android spoofing in Downloads component](https://junglewise.ai/threats/cve-2026-74975-mozilla-firefox-for-android-spoofing-in-downloads-component) (medium, CVSS 5.4, published 18 Aug 2026)
- [CVE-2026-74951: Mozilla Firefox clickjacking in Android](https://junglewise.ai/threats/cve-2026-74951-mozilla-firefox-clickjacking-in-android) (medium, CVSS 6.5, published 18 Aug 2026)

## Most severe Mozilla Firefox Mobile vulnerabilities

- [CVE-2026-84135: Mozilla Firefox Focus for Android other issue](https://junglewise.ai/threats/cve-2026-84135-mozilla-firefox-focus-for-android-other-issue) (critical, CVSS 9.8, published 1 Sep 2026)
- [CVE-2026-84117: Mozilla Firefox privilege escalation in Android](https://junglewise.ai/threats/cve-2026-84117-mozilla-firefox-privilege-escalation-in-android) (high, CVSS 8.8, published 1 Sep 2026)
- [CVE-2026-74980: Mozilla Firefox for Android clickjacking in Downloads component](https://junglewise.ai/threats/cve-2026-74980-mozilla-firefox-for-android-clickjacking-in-downloads-component) (medium, CVSS 6.5, published 18 Aug 2026)
- [CVE-2026-74951: Mozilla Firefox clickjacking in Android](https://junglewise.ai/threats/cve-2026-74951-mozilla-firefox-clickjacking-in-android) (medium, CVSS 6.5, published 18 Aug 2026)
- [CVE-2026-81267: Mozilla Firefox for iOS address bar spoofing in popup navigation](https://junglewise.ai/threats/cve-2026-81267-mozilla-firefox-for-ios-address-bar-spoofing-in-popup-navigation) (medium, CVSS 5.4, published 31 Aug 2026)
- [CVE-2026-74975: Mozilla Firefox for Android spoofing in Downloads component](https://junglewise.ai/threats/cve-2026-74975-mozilla-firefox-for-android-spoofing-in-downloads-component) (medium, CVSS 5.4, published 18 Aug 2026)
- [CVE-2026-84127: Mozilla Firefox for Android information disclosure in WebExtensions](https://junglewise.ai/threats/cve-2026-84127-mozilla-firefox-for-android-information-disclosure-in) (medium, CVSS 4.3, published 1 Sep 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 3 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 4 | 1 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Mozilla technologies

- [Mozilla Firefox](https://junglewise.ai/threats/technologies/firefox): 869 vulnerabilities
- [Mozilla Firefox ESR](https://junglewise.ai/threats/technologies/firefox-esr): 642 vulnerabilities
- [Mozilla Thunderbird](https://junglewise.ai/threats/technologies/thunderbird): 396 vulnerabilities
- [Mozilla Thunderbird-Esr](https://junglewise.ai/threats/technologies/thunderbird-esr): 86 vulnerabilities
- [Mozilla Firefox for iOS](https://junglewise.ai/threats/technologies/firefox-for-ios): 17 vulnerabilities
- [Mozilla Firefox for Android](https://junglewise.ai/threats/technologies/firefox-for-android): 11 vulnerabilities
- [Mozilla Firefox Focus](https://junglewise.ai/threats/technologies/firefox-focus-for-android): 3 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Mozilla Firefox Mobile vulnerabilities", https://junglewise.ai/threats/technologies/firefox-mobile, 11 November 2026.