CVE-2026-8093

HIGH 7.5

Memory safety bugs fixed in Firefox 150.0.2

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

Memory safety bugs present in Firefox 150.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150.0.2.

Vendor	mozilla
Product	firefox
Ecosystems	Browser JavaScript
Industries	Technology
Published	May 7, 2026
Last Updated	May 7, 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/buglist.cgi?bug_id=1981270%2C2027154%2C2028332%2C2029327%2C2029428%2C2029894%2C2032189%2C2034837%2C2035968%2C2036256 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-40/

Credits

Andy Leiserson, Jan de Mooij, Michael Froman and the Mozilla Fuzzing Team