CVE-2016-3366

mediumpriority · track · 32EPSS 0.162 · 97 %ileEURUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

16.2% (97th) EPSS

CVSS 4.3 · medium

Is it mine?

10 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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."

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.06.5mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nsecondary · FSTEC (BDU) RU

v3.06mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284USprimaryCWE-284US

affected products (10)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Microsoft Corp Microsoft Outlook 2007 Service Pack 3all versionsfstec_bduRU
Microsoft Corp Microsoft Outlook 2010 Service Pack 2all versionsfstec_bduRU
Microsoft Corp Microsoft Outlook 2013 RT Service Pack 1all versionsfstec_bduRU
Microsoft Corp Microsoft Outlook 2013 Service Pack 1all versionsfstec_bduRU
Microsoft Corp Microsoft Outlook 2016all versionsfstec_bduRU
microsoft outlook= 2007nvdUScpe:2.3:a:microsoft:outlook:*:*:*:*:*:*:*:*
microsoft outlook= 2010nvdUScpe:2.3:a:microsoft:outlook:*:*:*:*:*:*:*:*
microsoft outlook= 2013nvdUScpe:2.3:a:microsoft:outlook:*:*:*:*:*:*:*:*
microsoft outlook= 2016nvdUScpe:2.3:a:microsoft:outlook:*:*:*:*:*:*:*:*

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2016-09-14modified 2026-06-17

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+13830 more

references (10)

External citations — patches, advisories, analysis.

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