CVE-2026-15718

MEDIUM 4.3

Invalid pointer in the JavaScript: WebAssembly component

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. This vulnerability was fixed in Firefox 152.0.6.

Vendor	mozilla
Product	firefox
Ecosystems	Browser JavaScript
Industries	Technology
Published	Jul 14, 2026
Last Updated	Jul 14, 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=2045443 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-67/

Credits

Christian Holler