๐Ÿ” CVE Alert

CVE-2026-109756

HIGH 8.8

Privilege escalation in the DOM: Navigation component

CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th

Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5.

Vendor mozilla
Product firefox
Ecosystems
Industries
Technology
Published Oct 13, 2026
Last Updated Oct 13, 2026
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Affected Versions

Mozilla / Firefox
All versions affected

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
bugzilla.mozilla.org: https://bugzilla.mozilla.org/show_bug.cgi?id=2069258 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-106/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-108/

Credits

Mozilla