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

criticalknown exploitedpublic exploitCVE-2016-3235
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Microsoft Office Object Linking & Embedding (OLE) dynamic link library (DLL) contains a side loading vulnerability due to it improperly validating input before loading libraries. Successful exploitation allows for remote code execution.

CSIRTS triage

vendor: Microsoftproduct: OfficeRemote code execution
What
The Microsoft Office OLE DLL has a side loading vulnerability that allows for remote code execution.
Who is affected
Users of Microsoft Office with the affected OLE DLL.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Apply the latest security updates from Microsoft.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2016-3235

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2016-3235coverage & exploitation statusNVD · CVE.org

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