CVE-2026-6770
Other issue in the Storage: IndexedDB component
MEDIUM 6.5EPSS 0.4%
Other issue in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
- Affected
- Mozilla · Firefox · Thunderbird
- CVSS v3.1 CNA
- 6.5 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L - EPSS
- 0.40% chance of exploitation in the next 30 days, 33rd percentile
- Published
- 2026-04-21
- Updated
- 2026-05-27
Proof-of-concept exploits (1)
- nightcorefan94/CVE-2026-67700★ · 2026-04-28
Security advisories
- https://www.mozilla.org/security/advisories/mfsa2026-30
- https://www.mozilla.org/security/advisories/mfsa2026-32
- https://www.mozilla.org/security/advisories/mfsa2026-33
- https://www.mozilla.org/security/advisories/mfsa2026-34