CRITICALCVSS v3.1 9.6Vulnerability
CVE-2026-124864
Sandbox escape due to use-after-free in the DOM: Service Workers component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.
Properties
- Severity
- CRITICAL
- Nvd fetched at
- 2026-11-10T23:33:48.924589+00:00
- Cvss severity
- CRITICAL
- Cvss score
- 9.6
- Retrieved at
- 2026-11-10T23:34:23+00:00
- Score
- 9.6
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-124864
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- First seen by Signal
- 2026-11-10T15:26:48+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- Published at
- 2026-11-10T14:17:18.810
- Last modified
- 2026-11-10T21:19:10.790
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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