# Firefox Focus vulnerabilities

> Firefox Focus is made by Mozilla. We track 18 published vulnerabilities in it, across 43 versions. 2 of them are on the list of flaws known to be exploited, the newest added on 7 March 2022. If you run Firefox Focus, check your version against the exploited flaws below and patch those first.

Canonical page: https://www.precursorintelligence.com/product/mozilla/firefox_focus

## At a glance

- **Made by:** [Mozilla](https://www.precursorintelligence.com/vendors/mozilla)
- **Published vulnerabilities:** 18
- **Known to be exploited:** 2
- **Versions tracked:** 43
- **Most recently added to the known-exploited list:** [CVE-2022-26485](https://www.precursorintelligence.com/what-is/cve-2022-26485), 7 March 2022. We keep watching the list.

## Which versions of Firefox Focus do the exploited flaws hit?

Each exploited flaw lists the versions it affects, as published. "before 97.3.0" means every version up to, but not including, 97.3.0.

- [CVE-2022-26485](https://www.precursorintelligence.com/what-is/cve-2022-26485) (Mozilla Firefox Use-After-Free Vulnerability): before 97.3.0
- [CVE-2022-26486](https://www.precursorintelligence.com/what-is/cve-2022-26486) (Mozilla Firefox Use-After-Free Vulnerability): before 97.3.0

## Which Firefox Focus vulnerabilities are being exploited?

2 flaws are on the government list of vulnerabilities known to be exploited, newest first:

- [CVE-2022-26485](https://www.precursorintelligence.com/what-is/cve-2022-26485): Mozilla Firefox Use-After-Free Vulnerability. High, CVSS 8.8, chance of use in 30 days 14%, known exploited since 7 March 2022.
- [CVE-2022-26486](https://www.precursorintelligence.com/what-is/cve-2022-26486): Mozilla Firefox Use-After-Free Vulnerability. Critical, CVSS 9.6, chance of use in 30 days 2.4%, known exploited since 7 March 2022.

## Which Firefox Focus flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast (the chance each flaw is used in an attack in the next 30 days):

- [CVE-2022-26485](https://www.precursorintelligence.com/what-is/cve-2022-26485): 14%, High (CVSS 8.8), known exploited
- [CVE-2022-26486](https://www.precursorintelligence.com/what-is/cve-2022-26486): 2.4%, Critical (CVSS 9.6), known exploited
- [CVE-2023-29534](https://www.precursorintelligence.com/what-is/cve-2023-29534): 0.7%, Critical (CVSS 9.1)
- [CVE-2023-25743](https://www.precursorintelligence.com/what-is/cve-2023-25743): 0.6%, High (CVSS 7.5)
- [CVE-2023-29546](https://www.precursorintelligence.com/what-is/cve-2023-29546): 0.5%, Medium (CVSS 6.5)
- [CVE-2025-55031](https://www.precursorintelligence.com/what-is/cve-2025-55031): 0.4%, Critical (CVSS 9.8)
- [CVE-2026-8945](https://www.precursorintelligence.com/what-is/cve-2026-8945): 0.4%, High (CVSS 7.5)
- [CVE-2024-0605](https://www.precursorintelligence.com/what-is/cve-2024-0605): 0.4%, High (CVSS 7.5)
- [CVE-2024-1563](https://www.precursorintelligence.com/what-is/cve-2024-1563): 0.4%, High (CVSS 8.1)
- [CVE-2023-6870](https://www.precursorintelligence.com/what-is/cve-2023-6870): 0.4%, Medium (CVSS 4.3)

## Questions

### How many vulnerabilities does Firefox Focus have?

We track 18 published vulnerabilities listed under the name Firefox Focus, across 43 versions. The most recent Firefox Focus flaw added to the known-exploited list is CVE-2022-26485, on 7 March 2022.

### Which Firefox Focus vulnerabilities are being exploited?

2 are on the list of flaws known to be exploited. The most recently added are CVE-2022-26485 and CVE-2022-26486.

### Which versions of Firefox Focus do the exploited flaws affect?

Each flaw names its own versions, usually as ranges. The newest, CVE-2022-26485, affects before 97.3.0. The versions for every exploited flaw are listed on this page.

### How do I get alerts for Firefox Focus?

Create a Precursor Intelligence account and track Firefox Focus. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.

## Running Firefox Focus?

Precursor Intelligence keeps checking for you:

- **Tell us what you run.** Pick your software from a list, or let us work it out from your website.
- **We match it to every flaw.** Over 400,000 published flaws, checked against your list.
- **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it.
- **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools.

Start free (no card, nothing to install): https://www.precursorintelligence.com/register
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