Is CVE-2016-3284 in the CISA KEV catalog?

No. CVE-2016-3284 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-3284?

CVE-2016-3284 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2016-3284?

CVE-2016-3284 has an EPSS score of 19.64% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2016-3284

HIGHEPSS 97th pctl

7.8

CVSS v3

NVD

Description

Microsoft Excel 2007 SP3, Excel 2010 SP2, Excel 2013 SP1, Excel 2013 RT SP1, Excel 2016, Excel for Mac 2011, Excel 2016 for Mac, Office Compatibility Pack SP3, and Excel Viewer allow remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Memory Corruption Vulnerability."

CWE-119Buffer Overflow

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

19.64%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.