9.1crit
CVE-2026-92041
Mitigation bypass in the DOM: Networking component
Published 53 d ago · modified 33 d ago · JSON
CVSS
9.1
v3.1 · CNA
CISA KEV
No
not known exploited
EPSS
0.3%
percentile 25%
Public exploits
0
none known
Summary
Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CISA SSVC assessment
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 47 d ago
Exploit prediction (EPSS)
0.32% probability of exploitation in the next 30 days, higher than 25% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| CNA | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
Affected products
- Mozilla Firefox
- Mozilla Thunderbird
Classification
- Weakness
- CWE-693 Protection Mechanism Failure
References
- bugzilla.mozilla.org /show_bug.cgi?id=2029482
- mozilla.org /security/advisories/mfsa2026-90/
- mozilla.org /security/advisories/mfsa2026-93/
- mozilla.org /security/advisories/mfsa2026-94/
- mozilla.org /security/advisories/mfsa2026-96/
Sources
- CVE List: CVE-2026-92041
- NVD: CVE-2026-92041
vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.