CVE-2011-1277

Name: CVE-2011-1277
Creator: NVD / NIST
Published: 2011-06-16T20:55:02.247+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 16.07%

Last modified Jun 16, 2026

CVE-2011-1277 is a vulnerability of currently unknown severity. Microsoft Excel 2002 SP3, Office 2008 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 Corruption Vulnerability.". EPSS estimates a 16.07% chance of exploitation in the next 30 days.

Description

Microsoft Excel 2002 SP3, Office 2008 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 Corruption Vulnerability."

Metrics

EPSS Probability

16.07%

96.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions	Update
Microsoft	Excel	2002	Sp3
Microsoft	Office	2008	—
Microsoft	Open Xml File Format Converter	All versions	—

References

Timeline

Published: Jun 16, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-1277?

How severe is CVE-2011-1277?

Severity scoring for CVE-2011-1277 is pending analysis. The EPSS model estimates a 16.07% probability of exploitation in the next 30 days.

How do I fix CVE-2011-1277?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-1277?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST