Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2017-7755

The Firefox installer on Windows can be made to load malicious DLL files stored in the same directory as the installer when it is run. This allows privileged execution if the installer is run with elevated privileges. Note: This attack only affects Windows operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 61.5%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 6.8
Products affected by CVE-2017-7755


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