CVE-2016-5295

Name: CVE-2016-5295
Creator: NVD / NIST
Published: 2018-06-11T21:29:00.64+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.33%

Last modified Jun 17, 2026

CVE-2016-5295 is a vulnerability of currently unknown severity. This vulnerability allows an attacker to use the Mozilla Maintenance Service to escalate privilege by having the Maintenance Service invoke the Mozilla Updater to run malicious local files. This vulnerability requires local system access and is a variant of MFSA2013-44. EPSS estimates a 0.33% chance of exploitation in the next 30 days.

Description

This vulnerability allows an attacker to use the Mozilla Maintenance Service to escalate privilege by having the Maintenance Service invoke the Mozilla Updater to run malicious local files. This vulnerability requires local system access and is a variant of MFSA2013-44. Note: this issue only affects Windows operating systems. This vulnerability affects Firefox < 50.

Metrics

EPSS Probability

0.33%

24.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-264

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 50.0

References

http://www.securityfocus.com/bid/94337Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037298Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1247239Issue Tracking, Vendor Advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2013-44/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2016-89/Vendor Advisory
http://www.securityfocus.com/bid/94337Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037298Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1247239Issue Tracking, Vendor Advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2013-44/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2016-89/Vendor Advisory

Timeline

Published: Jun 11, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-5295?

How severe is CVE-2016-5295?

Severity scoring for CVE-2016-5295 is pending analysis. The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.

How do I fix CVE-2016-5295?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-5295?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST