CVE-2016-3235: Microsoft Office OLE DLL Side Loading Vulnerability

CVE-2016-3235 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2021-11-03

Microsoft Office Object Linking & Embedding (OLE) dynamic link library (DLL) contains a side loading vulnerability due to improper input validation before loading libraries. This flaw allows local users to gain privileges or execute remote code via a crafted application or file.

Technologies: Microsoft Office. Vendors: Microsoft.

Quick answers

Is CVE-2016-3235 exploited in the wild?
Yes. CVE-2016-3235 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2016-3235?
Critical severity, with a CVSS score of 7.8, published 3 November 2021.
Which products and versions are affected?
Microsoft Visio 2007 SP3; Microsoft Visio 2010 SP2; Microsoft Visio 2013 SP1; Microsoft Visio 2016; and 2 more.
Is there a fix for CVE-2016-3235?
A patch was published on 2016-06-14: Microsoft released security bulletin MS16-070 to address this vulnerability. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2016-3235 attacked?
It is attacked with local access or over the network, in a network appliance.
Am I affected by CVE-2016-3235?
Check whether you run Microsoft Office. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Microsoft Visio 2007 SP3
  • Microsoft Visio 2010 SP2
  • Microsoft Visio 2013 SP1
  • Microsoft Visio 2016
  • Microsoft Visio Viewer 2007 SP3
  • Microsoft Visio Viewer 2010

Timeline

  • 2016-06-14: patched: Microsoft released security bulletin MS16-070 to address this vulnerability.
  • 2021-11-03: kev added: CISA added this vulnerability to the Known Exploited Vulnerabilities (KEV) catalog.
  • 2021-11-03: disclosed: NVD publication date.
  • 2021-11-03: exploited: Vulnerability confirmed as exploited in the wild per CISA KEV catalog.

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