CVE-2011-1275

Critical

Description

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."

SeverityCritical

CVSS9.3

Exploit probability96. percentile13.3%

Product

Microsoft Excel

PublishedJun 16, 2011

First seenJun 16, 2011

How to fix

Vendor advisories

docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-045

Affected products

Product	Affected versions	Fixed in
microsoft excel	2002	—
microsoft office	2004, 2008, 2011	—
microsoft open_xml_file_format_converter	No range specified	—

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