Is CVE-2013-3159 in the CISA KEV catalog?

No. CVE-2013-3159 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2013-3159?

CVE-2013-3159 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2013-3159?

CVE-2013-3159 has an EPSS score of 17.38% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2013-3159

MEDIUMEPSS 97th pctl

4.3

CVSS v2

NVD

Description

Microsoft Excel 2003 SP3, 2007 SP3, and 2010 SP1 and SP2; Excel Viewer; and Microsoft Office Compatibility Pack SP3 allow remote attackers to read arbitrary files via an XML document containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue, aka "XML External Entities Resolution Vulnerability."

CWE-20Improper Input Validation

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

17.38%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 2026-04-29.