Is CVE-2011-0097 in the CISA KEV catalog?

No. CVE-2011-0097 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-0097?

CVE-2011-0097 has a CVSS v2 base score of 9.3 (HIGH).

What is the EPSS score for CVE-2011-0097?

CVE-2011-0097 has an EPSS score of 38.22% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2011-0097

HIGHEPSS 98th pctl

9.3

CVSS v2

NVD

Description

Integer underflow in Microsoft Excel 2002 SP3, 2003 SP3, 2007 SP2, and 2010; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Excel Viewer SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2 allows remote attackers to execute arbitrary code via a crafted 400h substream in an Excel file, which triggers a stack-based buffer overflow, aka "Excel Integer Overrun Vulnerability."

CWE-189

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

38.22%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.