CVE-2016-3366

Name: CVE-2016-3366
Creator: NVD / NIST
Published: 2016-09-14T10:59:40.81+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 16.23%

Last modified Jun 17, 2026

CVE-2016-3366 is a vulnerability of currently unknown severity. Microsoft Outlook 2007 SP3, Outlook 2010 SP2, Outlook 2013 SP1, Outlook 2013 RT SP1, Outlook 2016, and Outlook 2016 for Mac do not properly implement RFC 2046, which allows remote attackers to bypass virus or spam detection via crafted MIME data in an e-mail attachment, aka "Microsoft Office Spoofing Vulnerability.". EPSS estimates a 16.23% chance of exploitation in the next 30 days.

Description

Microsoft Outlook 2007 SP3, Outlook 2010 SP2, Outlook 2013 SP1, Outlook 2013 RT SP1, Outlook 2016, and Outlook 2016 for Mac do not properly implement RFC 2046, which allows remote attackers to bypass virus or spam detection via crafted MIME data in an e-mail attachment, aka "Microsoft Office Spoofing Vulnerability."

Metrics

EPSS Probability

16.23%

96.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions	Update
Microsoft	Outlook	2007	Sp3
Microsoft	Outlook	2010	Sp2
Microsoft	Outlook	2013	Sp1
Microsoft	Outlook	2016	—

References

Timeline

Published: Sep 14, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-3366?

How severe is CVE-2016-3366?

Severity scoring for CVE-2016-3366 is pending analysis. The EPSS model estimates a 16.23% probability of exploitation in the next 30 days.

How do I fix CVE-2016-3366?

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-2016-3366?

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

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Source: NVD / NIST