Vulnerability Description
The maintenance service in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 on Windows does not prevent MAR extracted-file modification during updater execution, which might allow local users to gain privileges via a Trojan horse file.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows | All versions |
| Mozilla | Firefox | 45.1.0 |
Related Weaknesses (CWE)
References
- http://www.mozilla.org/security/announce/2016/mfsa2016-55.htmlVendor Advisory
- http://www.securityfocus.com/bid/91075
- http://www.securitytracker.com/id/1036057
- https://bugzilla.mozilla.org/show_bug.cgi?id=1237219
- http://www.mozilla.org/security/announce/2016/mfsa2016-55.htmlVendor Advisory
- http://www.securityfocus.com/bid/91075
- http://www.securitytracker.com/id/1036057
- https://bugzilla.mozilla.org/show_bug.cgi?id=1237219
FAQ
What is CVE-2016-2826?
CVE-2016-2826 is a vulnerability with a CVSS score of 7.8 (HIGH). The maintenance service in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 on Windows does not prevent MAR extracted-file modification during updater execution, which might allow local us...
How severe is CVE-2016-2826?
CVE-2016-2826 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-2826?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows, Mozilla Firefox.