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CVE-2026-124900: Mozilla Firefox: Sandbox escape due to use-after-free in the DOM: Service Workers component

🗓️ 10 Nov 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 2 Views

Sandbox escape due to use-after-free in the DOM: Service Workers component in Mozilla Firefox.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-124900
10 Nov 202614:06
–circl
cve
CVE
CVE-2026-124900
10 Nov 202613:28
–cve
cvelist
Cvelist
CVE-2026-124900 Sandbox escape due to use-after-free in the DOM: Service Workers component
10 Nov 202613:28
–cvelist
debiancve
Debian CVE
CVE-2026-124900
10 Nov 202622:49
–debiancve
euvd
EUVD
EUVD-2026-120927
10 Nov 202613:28
–euvd
nvd
NVD
CVE-2026-124900
10 Nov 202614:17
–nvd
ptsecurity
Positive Technologies
PT-2026-141665
10 Nov 202600:00
–ptsecurity

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10 Nov 2026 00:00Current
6.6Medium risk
Vulners AI Score6.6
CVSS 3.19.6
2