CVE-2011-1273 Memory corruption in n/a

What is CVE-2011-1273?

CVE-2011-1273 is a critical memory corruption vulnerability in Microsoft Excel, published on 16 Jun 2011. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Microsoft Excel 2002 SP3, 2003 SP3, 2007 SP2, and 2010; Office 2004, 2008, and 2011 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 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 Improper Record Parsing Vulnerability."

Weakness: CWE-119

Which versions are affected by CVE-2011-1273?

It affects 5 products.

Products include Microsoft Excel, Microsoft Excel Viewer, Microsoft Office, Microsoft Office Compatibility Pack, Microsoft Open Xml File Format Converter.

How do I fix CVE-2011-1273?

No fix has been published for CVE-2011-1273 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2011-1273 being exploited?

There is no known exploitation of CVE-2011-1273 in the wild and no public exploit code.

Other vulnerabilities in Microsoft Excel

• CVE-2019-1297 Microsoft Excel Remote Code Execution Exploited High 8.8
• CVE-2009-0238 Microsoft Office Remote Code Execution Exploited High 8.8
• CVE-2016-7262 Microsoft Office Security Feature Bypass Exploited High 7.8
• CVE-2009-3129 Microsoft Excel Featheader Record Memory Corruption Exploited High 7.8
• CVE-2008-0081 Code injection in n/a Critical 9.8

All Microsoft Excel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-q8vc-r4q2-6qjp.