CVE-2016-2826

7.8 HIGH

Published: June 13, 2016 Modified: May 06, 2026

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://www.mozilla.org/security/announce/2016/mfsa2016-55.html

Source: security@mozilla.org

Vendor Advisory

http://www.securityfocus.com/bid/91075

Source: security@mozilla.org

http://www.securitytracker.com/id/1036057

Source: security@mozilla.org

https://bugzilla.mozilla.org/show_bug.cgi?id=1237219

Source: security@mozilla.org

http://www.mozilla.org/security/announce/2016/mfsa2016-55.html

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

http://www.securityfocus.com/bid/91075

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.securitytracker.com/id/1036057

Source: af854a3a-2127-422b-91ae-364da2661108

https://bugzilla.mozilla.org/show_bug.cgi?id=1237219

Source: af854a3a-2127-422b-91ae-364da2661108

8 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.8 / 10.0

EPSS (Exploit Probability)

0.1%

16th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-264

Affected Vendors

mozilla microsoft

Related CVEs