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Vulnerability record · CVE-2011-0977 · published 10 February 2011

CVE-2011-0977: Microsoft excel vulnerability

Microsoft · Excel

Use-after-free vulnerability in Microsoft Office XP SP3, Office 2003 SP3, Office 2007 SP2, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac allows remote attackers to execute arbitrary code via malformed shape data in the Office drawing file format, aka "Microsoft Office Graphic Object Dereferencing Vulnerability."

9.3 CVSS 2.0 High EPSS 32% · top 1.7% CWE-399 · CWE-399
9.3CVSS 2.0 base score
32%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
18References
16 Jun 2026Last modified by NVD

Description

Use-after-free vulnerability in Microsoft Office XP SP3, Office 2003 SP3, Office 2007 SP2, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac allows remote attackers to execute arbitrary code via malformed shape data in the Office drawing file format, aka "Microsoft Office Graphic Object Dereferencing Vulnerability."

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://dvlabs.tippingpoint.com/blog/2011/02/07/zdi-disclosure-microsoft
http://secunia.com/advisories/43216
http://secunia.com/advisories/44015
http://www.securitytracker.com/id?1025343
http://www.us-cert.gov/cas/techalerts/TA11-102A.html US Government Resource
http://www.vupen.com/english/advisories/2011/0942
http://zerodayinitiative.com/advisories/ZDI-11-043/
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-023
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12339
http://dvlabs.tippingpoint.com/blog/2011/02/07/zdi-disclosure-microsoft
http://secunia.com/advisories/43216
http://secunia.com/advisories/44015
http://www.securitytracker.com/id?1025343
http://www.us-cert.gov/cas/techalerts/TA11-102A.html US Government Resource
http://www.vupen.com/english/advisories/2011/0942
http://zerodayinitiative.com/advisories/ZDI-11-043/
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-023
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12339

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2019-1297Microsoft Excel memory handling flaw allows remote code executionCVE-2019-1297 is a remote code execution vulnerability in Microsoft Excel caused by improper handling of objects in memory. An attacker who convinces…KEVEPSS 22%analysed8.8CVE-2009-0238Microsoft Excel invalid object access allows remote code executionMicrosoft Excel and related viewers (Excel 2000 through 2007, Excel Viewer, Office Compatibility Pack, and Office for Mac 2004/2008) fail to handle a…KEVEPSS 43%analysed8.8CVE-2007-0671Microsoft Excel remote code execution via malformed fileCVE-2007-0671 is an unspecified vulnerability in Microsoft Excel 2000, XP, 2003, and 2004 for Mac, and possibly other Office products, that allows re…KEVEPSS 43%analysed7.8CVE-2021-42292Microsoft Excel security feature bypass via crafted fileCVE-2021-42292 is a security feature bypass in Microsoft Excel and related Office products. The record gives only a one-line description, so the exac…KEVEPSS 43%analysed7.8CVE-2016-7262Microsoft Excel security feature bypass enables command executionA crafted cell in affected Microsoft Excel and Excel Viewer versions is mishandled when a user clicks it, allowing a security feature bypass that lea…KEVEPSS 58%analysed7.8CVE-2009-3129Microsoft Excel FEATHEADER record memory corruptionMicrosoft Excel and related Office components mishandle a FEATHEADER record whose cbHdrData size element is invalid, corrupting a pointer offset and …KEVEPSS 84%analysed9.8CVE-2008-0081Microsoft Excel macro validation flaw allows remote code executionCVE-2008-0081 is an unspecified macro validation vulnerability in Microsoft Excel 2000 SP3 through 2003 SP2, Excel Viewer 2003, and Office 2004 for M…EPSS 58%analysed9.3CVE-2015-6177Microsoft excel memory buffer overflow vulnerabilityMicrosoft Excel 2007 SP3, Office Compatibility Pack SP3, and Excel Viewer allow remote attackers to execute arbitrary code via a crafted Office docum…EPSS 14%

Source: NIST National Vulnerability Database (record CVE-2011-0977), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.