{"id":"CVE-2016-3235","published":"2016-06-16T01:59:36Z","modified":"2026-06-17T00:45:20Z","title":"Microsoft Office OLE DLL Side Loading Vulnerability","vendor":"Microsoft","product":"Office","tier":"core","eol":null,"description":{"text":"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.\"","provenance":"source","from":"NVD"},"summary":{"text":"The flaw is a DLL side-loading weakness in Microsoft Visio (including Visio Viewer) 2007 SP3, 2010 SP2, 2013 SP1, 2016, and Visio Viewer 2010, where library loading is mishandled. An attacker with local access who can get a user to open a crafted application can gain elevated privileges, and exploitation requires user interaction.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:10:56Z"},"cvss":{"score":7.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.43308,"percentile":0.98724,"date":"2026-10-28","provenance":"source"},"kev":{"dateAdded":"2021-11-03","dueDate":"2022-05-03","ransomware":false,"requiredAction":"Apply updates per vendor instructions.","notes":"https://nvd.nist.gov/vuln/detail/CVE-2016-3235","provenance":"source"},"vulncheckKev":{"dateAdded":"2021-11-03","exploitedFirstSeen":"2021-11-03","ransomware":false,"evidence":[{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2021-11-03"}],"evidenceTotal":1,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-264","name":null}],"references":[{"url":"http://packetstormsecurity.com/files/137490/Microsoft-Visio-DLL-Hijacking.html","tags":["Third Party Advisory","VDB Entry"]},{"url":"http://seclists.org/fulldisclosure/2016/Jun/32","tags":["Broken Link","Mailing List","Third Party Advisory"]},{"url":"http://www.securityfocus.com/archive/1/538685/100/0/threaded","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id/1036093","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-070","tags":["Patch","Vendor Advisory"]},{"url":"https://www.securify.nl/advisory/SFY20150804/microsoft_visio_multiple_dll_side_loading_vulnerabilities.html","tags":["Exploit","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/137490/Microsoft-Visio-DLL-Hijacking.html","tags":["Third Party Advisory","VDB Entry"]},{"url":"http://seclists.org/fulldisclosure/2016/Jun/32","tags":["Broken Link","Mailing List","Third Party Advisory"]},{"url":"http://www.securityfocus.com/archive/1/538685/100/0/threaded","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id/1036093","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-070","tags":["Patch","Vendor Advisory"]},{"url":"https://www.securify.nl/advisory/SFY20150804/microsoft_visio_multiple_dll_side_loading_vulnerabilities.html","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-3235","tags":["US Government Resource"]}],"techniques":[{"id":"T1204.002","name":"Malicious File","tactics":["execution"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: user opens crafted malicious application file","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"allows local users to gain privileges via a crafted application","start":148,"end":211}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2016-4273","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2016-4273","exploited":true,"exploitedSince":"2021-11-03","provenance":"source"},"exploits":[{"id":41706,"url":"https://www.exploit-db.com/exploits/41706","title":"Microsoft Office - OLE Multiple DLL Side Loading Vulnerabilities (MS15-132/MS16-014/MS16-025/MS16-041/MS16-070) (Metasploit)","type":"local","platform":"windows","date":"2015-12-08","verified":true,"provenance":"source"}],"exploitSources":{"exploitdb":{"count":1,"earliest":"2015-12-08"},"metasploit":[{"name":"Office OLE Multiple DLL Side Loading Vulnerabilities","module":"exploit/windows/fileformat/office_ole_multiple_dll_hijack","type":"exploit","disclosureDate":"2015-12-08","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/fileformat/office_ole_multiple_dll_hijack.rb"}],"first":{"date":"2015-12-08","source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/41706"},"provenance":"source"},"exploitRefs":["https://www.securify.nl/advisory/SFY20150804/microsoft_visio_multiple_dll_side_loading_vulnerabilities.html","http://packetstormsecurity.com/files/137490/Microsoft-Visio-DLL-Hijacking.html"],"flow":[{"stage":"exploitation","techniques":["T1204.002"],"provenance":"ai"}],"timeline":[{"date":"2015-12-08","kind":"exploit-public","label":"First public exploit: Exploit-DB (EDB-41706); later: Metasploit 2015-12-08","url":"https://www.exploit-db.com/exploits/41706","provenance":"source"},{"date":"2016-06-16","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-3235","provenance":"source"},{"date":"2021-11-03","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","provenance":"source"},{"date":"2021-11-03","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2021-11-03","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2016-4273","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":"Exploit-DB","daysToKev":1966},"priority":{"score":68.2,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 1821 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.74,"detail":"percentile 0.9872"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 NVD reference tagged Exploit; 1 Exploit-DB entry; 1 NVD exploit link; 1 Metasploit module"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":5.46,"detail":"base score 7.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}