ExploitedIn CISA KEVFix available

CVE-2016-3235

Exploitation confirmed. First attested on 2021-11-03 by CISA-ADP, CISA KEV, GCVE · kevintel.

Published2016-06-16

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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."

Timeline

dates in UTC

2016-06-1601:59CVE publishedNVD
2021-11-03Added to the CISA KEV catalogCISA KEV
2021-11-03Listed as exploited by GCVEGCVE
2021-11-03Exploitation first reportedCISA KEV
2025-02-1016:47SSVC exploitation set to activeCISA-ADP
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2016-3235?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2016-3235?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Microsoft visio

Branch	Affected	Fixed in	Source
2007.x	= 2007	no fix published	NVD
2010.x	= 2010	no fix published	NVD
2013.x	= 2013	no fix published	NVD
2016.x	= 2016	no fix published	NVD

Microsoft visio viewer

Branch	Affected	Fixed in	Source
2007.x	= 2007	no fix published	NVD
2010.x	= 2010	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

CISA’s required action: Apply updates per vendor instructions.due 2022-05-03

Advisories and patches

docs.microsoft.comPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

CISA Known Exploited Vulnerability

Date Added: 2021-11-03
Patch Due Date: 2022-05-03
Ransomware Use: Unknown
Required Action: Apply updates per vendor instructions.

Sources

CISA KEVKEV entry2021-11-03
GCVEexploitation2021-11-03
CISA-ADPSSVC decisionactive2025-02-10
OpenCVESSVC decisionactive—
CISA-ADPCVSS 3.17.82025-02-10
NVDCVSS 3.17.8read 2026-10-23
NVDCVSS 2.09.3read 2026-10-23
FIRST EPSSEPSS score43.3 %read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2016-06-16
Last Modified: 2026-06-17
NVD status: Analyzed

Frequently asked questions

What is CVE-2016-3235?

Is CVE-2016-3235 actively exploited?

Yes. CVE-2016-3235 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-05-03.

What is the CVSS score for CVE-2016-3235?

CVE-2016-3235 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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