Is CVE-2011-1278 being actively exploited?

CVE-2011-1278 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-1278?

CVE-2011-1278 has a CVSS 2.0 base score of 9.3 (HIGH).

CVE-2011-1278

HIGH · CVSS 9.3EPSS 17.0%EU EUVD

Microsoft Excel 2002 SP3 and Office 2004 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 WriteAV 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: 17.0% (97th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-1286)
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-2011-1286 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

References

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

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