CVE-2016-3235
Microsoft Office OLE DLL Side Loading Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
Microsoft Visio 2007 SP3, Visio 2010 SP2, Visio 2013 SP1, Visio 2016, Visio Viewer 2007 SP3, and Visio Viewer 2010 mishandle library loading, which allows local users to gain privileges via a crafted application, aka "Microsoft Office OLE DLL Side Loading Vulnerability."
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 43.31% probability · 99th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 8 December 2015
- CISA KEV
- Listed 3 November 2021 · due 3 May 2022
- Affected
- microsoft/visio · microsoft/visio viewer
- Source
- secure@microsoft.com
EPSS 43.3% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2016-3235
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/137490/Microsoft-Visio-DLL-Hijacking.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2016/Jun/32Broken Link, Mailing List, Third Party Advisory
- http://www.securityfocus.com/archive/1/538685/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036093Broken Link, Third Party Advisory, VDB Entry
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-070Patch, Vendor Advisory
- https://www.securify.nl/advisory/SFY20150804/microsoft_visio_multiple_dll_side_loading_vulnerabilities.htmlExploit, Third Party Advisory
- http://packetstormsecurity.com/files/137490/Microsoft-Visio-DLL-Hijacking.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2016/Jun/32Broken Link, Mailing List, Third Party Advisory
- http://www.securityfocus.com/archive/1/538685/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036093Broken Link, Third Party Advisory, VDB Entry
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-070Patch, Vendor Advisory
- https://www.securify.nl/advisory/SFY20150804/microsoft_visio_multiple_dll_side_loading_vulnerabilities.htmlExploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-3235US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.