CVE-2016-3279

Exploitation likely. EPSS gives it a 16% chance of exploitation in the next 30 days. A vendor fix is available.

CVSS 3.05.5Medium EPSS percentile97th16% chance in 30 days CISA KEVNot listedNo confirmed exploitation
No public exploit known FixVendor fixNo build named by the sources

Published 2016-07-13Updated 2026-05-06Sources: CVE.org, NVD, BDU

NVD CVE.org

What to do

The vendor has published a fix. Version details are below where the sources state them.

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

Microsoft Office 2010 SP2, Excel 2010 SP2, PowerPoint 2010 SP2, Word 2010 SP2, Excel 2013 SP1, PowerPoint 2013 SP1, Word 2013 SP1, Excel 2013 RT SP1, PowerPoint 2013 RT SP1, Word 2013 RT SP1, Excel 2016, Word 2016, Word Automation Services on SharePoint Server 2010 SP2, and Office Web Apps 2010 SP2 allow remote attackers to execute arbitrary code via a crafted XLA file, aka "Microsoft Office Remote Code Execution Vulnerability."

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS97th

CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

16% chance of exploitation activity in the next 30 days, which ranks it in the 97th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

5 events over 3634 days, from the signal feeds we watch.

2026-06-25OpenVAS check added
2026-05-06Patch availablerecord updated
2016-07-13Publishedweakness classified

Affected products

Microsoft Corpcommercial · USaka microsoft, microsoft corporation
- excelDesktop AppConsumer Software / productivity
- excel rtDesktop AppOn-premConsumer Software
- Microsoft Office 2010 Service Pack 2Desktop AppConsumer Software / productivity
- office web appsDesktop AppOn-premOperating Systems / windows
- powerpointDesktop AppOn-premConsumer Software / productivity
- powerpoint rtDesktop AppOn-premConsumer Software / productivity
- sharepoint serverWeb AppOn-premEnterprise Software / collaboration-groupware
- wordDesktop AppOn-premConsumer Software / productivity

And 16 more affected products. See all after sign-in

Technical detail

CVSS 3.0 vector

Open in the CVSS calculator

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

Scored 5.5 by NVD.

How it is reached

Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
Attack Complexity LowNo special conditions — the attack can be reliably reproduced
Privileges Required NoneNo authentication required — anyone can exploit this
User Interaction RequiredA user must click a link, open a file, or perform some action

Scope

Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

Confidentiality NoneNo confidentiality impact
Integrity HighTotal loss of integrity — attacker can modify any data in the component
Availability NoneNo availability impact

Weaknesses

CWE-254No name in the record

Sources

References in the record

And 2 more references. See all after sign-in

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