Is CVE-2011-1275 being actively exploited?

CVE-2011-1275 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-1275?

CVE-2011-1275 has a CVSS 2.0 base score of 9.3 (HIGH).

CVE-2011-1275

HIGH · CVSS 9.3EPSS 13.3%EU EUVD

Microsoft Excel 2002 SP3; Office 2004, 2008, and 2011 for Mac; and Open XML File Format Converter for Mac do not properly validate record information during parsing of Excel spreadsheets, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted spreadsheet, aka "Excel Memory Heap Overwrite Vulnerability."

Key facts

CVSS score: 9.3 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-119
EPSS score: 13.3% (96th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-1283)
Published: June 16, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-1283 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

microsoft / excel
microsoft / office
microsoft / office
microsoft / office
microsoft / open xml file format converter

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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