Description

Sandbox escape in the Messaging System component. This vulnerability affects Firefox < 147 and Thunderbird < 147.

INFO

Published Date :

2026-01-13T13:30:55.122Z

Last Modified :

2026-01-15T09:31:11.249Z

Source :

mozilla
AFFECTED PRODUCTS

The following products are affected by CVE-2026-0881 vulnerability.

Vendors Products
Mozilla
  • Firefox
  • Thunderbird
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-0881.

URL Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=2005845 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-0881 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-0881 cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-01/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-01/#CVE-2026-0881 cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-04/ cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact