CVE-2026-15719: Vulnerability in Mozilla Firefox
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.
CVE-2026-15719: Vulnerability in Mozilla Firefox
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 115.38, Firefox ESR 140.13, and Thunderbird 140.13.
CVSS v3.1
Score 5.4medium
Affected software
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Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-07-14T12:15:46.894Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-67/","vendor":"Mozilla"}]
Threat ID: 6a56300c68715ace4381b655
Added to database: 07/14/2026, 12:48:12 UTC
Last enriched: 07/21/2026, 17:44:57 UTC
Last updated: 08/25/2026, 10:52:07 UTC
Views: 195
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