High severity8.8NVD Advisory· Published Sep 29, 2026· Updated Sep 29, 2026
CVE-2026-100807
CVE-2026-100807
Description
Privilege escalation in the DOM: Service Workers component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, and Firefox ESR 140.17.
Affected products
2- Range: >=153.4, <140.17
- Range: >=157
Patches
Vulnerability mechanics
References
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