CVE-2026-92022

UNKNOWN 0.0

Use-after-free in the DOM: HTML Parser component

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

Use-after-free in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, and Firefox ESR 153.3.

Vendor	mozilla
Product	firefox
Ecosystems	Browser JavaScript
Industries	Technology
Published	Sep 15, 2026

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Affected Versions

Mozilla / Firefox

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗

bugzilla.mozilla.org: https://bugzilla.mozilla.org/show_bug.cgi?id=2068059 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-90/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-91/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-92/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-93/

Credits

Seohyeon Maeng