CVE-2026-8093

Memory safety bugs fixed in Firefox 150.0.2

CVSS 8.1 HIGHEPSS 0.3%CWE-119 CWE-120

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.1EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

07 May 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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 and Thunderbird 150.0.2.

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Mozilla · Firefox Mozilla · Thunderbird

References

https://access.redhat.com/security/cve/CVE-2026-8093 https://bugzilla.mozilla.org/buglist.cgi?bug_id=1981270%2C2027154%2C2028332%2C2029327%2C2029894%2C2032189%2C2034837%2C2035968%2C2036256 https://bugzilla.redhat.com/show_bug.cgi?id=2467701 https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8093.json https://www.mozilla.org/security/advisories/mfsa2026-40/https://www.mozilla.org/security/advisories/mfsa2026-43/