- Description
- Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 157.0.1 and Thunderbird 158.
- Source
- security@mozilla.org
- NVD status
- Modified
- Products
- firefox
CVSS 3.1
- Type
- Secondary
- Base score
- 9.8
- Impact score
- 5.9
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity
- CRITICAL
- 134c704f-9b21-4f2e-91b3-4a467353bcc0
- CWE-693
- Hype score
- Not currently trending
Browser patches are frontline defense, not maintenance. Firefox 157.0.1's CVE-2026-106016 shows a sandbox escape compromising full systems. Claiming "browser updates less critical than OS patches" ignores where real web attacks happen.
@first_sauce_lab
11 Oct 2026
66 Impressions
0 Retweets
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⚠️ Mozilla fixes a file-handling mitigation bypass in Firefox 157.0.1 (CVE-2026-106016) CVE-2026-106016 Mozilla has released Firefox 157.0.1 to fix CVE-2026-106016, a flaw that allows attackers to bypass mitigations in the… #CVE #Mozilla #infosec https://t.co/9krNP7zwpp h
@Orbitaley
8 Oct 2026
2 Impressions
0 Retweets
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0 Replies
0 Quotes
[
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
"matchCriteriaId": "F3185F2D-2C7E-4ECE-8AC7-6EA3BE8D2254",
"versionEndExcluding": "157.0.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
]