Vulnerability · NVD
CVE-2026-124900
CVE-2026-124900, critical severity (CVSS 9.6): 1 tracked app concerned, all fixed or indeterminable on their current version.
- Severity (CVSS)
- 9.6
- Exploitation
- -
- Tracked apps
- 1
- Still exposed
- 0
NVD scale
Sandbox escape due to use-after-free in the DOM: Service Workers component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.
Attack vector : Network
No privileges required
Show raw CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Tracked apps referencing this CVE
For each app: the affected range, the fixing version, and where the tracked app stands today.
Vulnerable CPE configurations (1)
| Vendor | Product | Platform | Versions | CPE 2.3 URI |
|---|---|---|---|---|
| mozilla |
firefox All platforms (wildcard)
|
All platforms (wildcard) | <160 | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* |
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