What is the severity of CVE-2016-2826?

CVE-2016-2826 has been rated as a moderate severity vulnerability.

How do I fix CVE-2016-2826?

To fix CVE-2016-2826, update Mozilla Firefox to version 47.0 or later.

Who is affected by CVE-2016-2826?

CVE-2016-2826 affects users of Mozilla Firefox and Firefox ESR prior to version 47.0 and 45.2 respectively on Windows.

What does CVE-2016-2826 exploit?

CVE-2016-2826 exploits a weakness in the maintenance service that does not prevent MAR extracted-file modification during updater execution.

Can CVE-2016-2826 allow privilege escalation?

Yes, CVE-2016-2826 can potentially allow local users to gain privileges via a Trojan horse file.

Vulnerability/
CVE-2016-2826

high

7.8

CWE

264

13/6/2016

22/10/2024

CVE-2016-2826

First published: Mon Jun 13 2016(Updated: )

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.

Credit: security@mozilla.org security@mozilla.org

Affected Software	Affected Version	How to fix
All of
Microsoft Windows Operating System
Any of
Firefox	=45.1.0
Firefox	=45.1.1
All of
Microsoft Windows Operating System
Firefox	<=46.0.1
Microsoft Windows Operating System
Firefox ESR	=45.1.0
Firefox ESR	=45.1.1
Firefox	<=46.0.1

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2016-2826?
CVE-2016-2826 has been rated as a moderate severity vulnerability.
How do I fix CVE-2016-2826?
To fix CVE-2016-2826, update Mozilla Firefox to version 47.0 or later.
Who is affected by CVE-2016-2826?
CVE-2016-2826 affects users of Mozilla Firefox and Firefox ESR prior to version 47.0 and 45.2 respectively on Windows.
What does CVE-2016-2826 exploit?
CVE-2016-2826 exploits a weakness in the maintenance service that does not prevent MAR extracted-file modification during updater execution.
Can CVE-2016-2826 allow privilege escalation?
Yes, CVE-2016-2826 can potentially allow local users to gain privileges via a Trojan horse file.

agent/references
agent/type
agent/weakness
agent/severity
agent/description
collector/mitre-cve
source/MITRE
agent/first-publish-date
agent/event
agent/author
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agent/source
collector/nvd-api
source/NVD
agent/software-canonical-lookup
agent/software-canonical-lookup-request
agent/softwarecombine
agent/tags
collector/nvd-index
vendor/microsoft
canonical/microsoft windows operating system
vendor/mozilla
canonical/firefox
version/firefox/45.1.0
version/firefox/45.1.1
version/firefox/46.0.1
canonical/firefox esr
version/firefox esr/45.1.0
version/firefox esr/45.1.1

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