CVE-2017-7766

High

Description

An attack using manipulation of "updater.ini" contents, used by the Mozilla Windows Updater, and privilege escalation through the Mozilla Maintenance Service to allow for arbitrary file execution and deletion by the 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.

SeverityHigh
CVSS7.8
Exploit probability—
ProductMozilla Firefox
PublishedJun 11, 2018
First seenJun 11, 2018

How to fix

Update
  • mozilla firefox52.2.0, 54.0 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 52.2.0, v < 54.052.2.0, 54.0

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