CVE-2026-15719We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw.
Updated under an hour ago ()
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It affects mozilla firefox. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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 115.38, Firefox ESR 140.13, and Thunderbird 140.13.
- CVSS
- 5.4 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Jul 22, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
mozilla firefox mozilla:firefox | before 152.0.6 | NVD |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2043820permissions-required
- https://www.mozilla.org/security/advisories/mfsa2026-67/vendor-advisory
- https://www.mozilla.org/security/advisories/mfsa2026-69/
- https://www.mozilla.org/security/advisories/mfsa2026-70/
- https://www.mozilla.org/security/advisories/mfsa2026-72/
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.