VULNERABILITY INTELLIGENCE
CVE-2026-15718
CVSS score4.3 MEDIUM
EPSS probability0.32%
CISA KEVNot currently listed
Published2026-07-14
Last modified2026-07-22
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Description
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, Firefox ESR 140.13, and Thunderbird 140.13.
Weakness classification
- CWE-763: Release of Invalid Pointer or Reference
Primary references
- security@mozilla.org — Permissions Required
- security@mozilla.org — Vendor Advisory
- security@mozilla.org
- security@mozilla.org