Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2017-7761

The Mozilla Maintenance Service "helper.exe" application creates a temporary directory writable by non-privileged users. When this is combined with creation of a junction (a form of symbolic link), protected files in the target directory of the junction can be deleted by the Mozilla Maintenance Service, which has privileged access. Note: This attack requires local system access and only affects Windows. Other operating systems are not affected. This vulnerability affects Firefox ESR < 52.2 and Firefox < 54.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 20.4%
CVSS Severity
CVSS v3 Score 5.5
CVSS v2 Score 3.6
Products affected by CVE-2017-7761


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