CVE-2026-0881
critical · 10Sandbox escape in the Messaging System component. This vulnerability was fixed in Firefox 147 and Thunderbird 147.
10
CVSS
0.4%
EPSS (exploit prob.)
29th
EPSS percentile
2026-01-13
Published
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weaknesses
CWE-284CWE-693
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| mozilla | firefox | < 147.0 |
| mozilla | thunderbird | < 147.0 |
Check a specific version with /api/v1/cve/match.
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2005845
- https://www.mozilla.org/security/advisories/mfsa2026-01/
- https://www.mozilla.org/security/advisories/mfsa2026-04/
- https://access.redhat.com/security/cve/CVE-2026-0881
- https://bugzilla.redhat.com/show_bug.cgi?id=2428970
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-0881.json
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2026-0881