Is CVE-2011-0103 in the CISA KEV catalog?

No. CVE-2011-0103 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-0103?

CVE-2011-0103 has a CVSS v2 base score of 9.3 (HIGH).

What is the EPSS score for CVE-2011-0103?

CVE-2011-0103 has an EPSS score of 25.46% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2011-0103

HIGHEPSS 98th pctl

9.3

CVSS v2

NVD

Description

Microsoft Excel 2002 SP3 and 2003 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted record information in an Excel file, aka "Excel Memory Corruption Vulnerability."

CWE-119Buffer Overflow

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

25.46%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% 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.