CVE-2026-100788EPSS p36.2%
CVE-2026-100788CVE-2026-100788
Description
Invalid pointer in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.
Scoring
| CVSS | 9.8 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 0.44% probability of exploitation · percentile 36.2% · 2026-10-05T12:00:23Z |
| Last modified | 2026-10-01 |