CVE-2011-0979: microsoft excel Improper Input Validation
Vulnerability summary
CVE-2011-0979 is a high (CVSS 9.3) Improper Input Validation vulnerability in microsoft excel. EPSS estimates a 26.52% chance of exploitation in the next 30 days, higher than 97.9% of scored vulnerabilities.
Timeline
- 10-02-2011PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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; and Excel Viewer SP2 do not properly handle errors during the parsing of Office Art records in Excel spreadsheets, which allows remote attackers to execute arbitrary code via a malformed object record, related to a "stray reference," aka "Excel Linked List Corruption Vulnerability."
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
26.52%
Chance of exploitation in the next 30 days
Percentile
98%
Versus all other CVEs
30-day change
0.00 pp
From 26.52% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft4 products
- excelna | 2002:sp3 | 2003:sp3 | 2007:sp2 | 2010
- excel_viewerna
- office2004 | 2008 | 2011
- office_compatibility_pack2007:sp2
1 vendor · 4 products
References
10 links- www.us-cert.gov/cas/techalerts/TA11-102A.htmlThird Party AdvisoryX Refsource CERTUS Government Resource
- dvlabs.tippingpoint.com/blog/2011/02/07/zdi-disclosure-microsoftX Refsource MISC
- zerodayinitiative.com/advisories/ZDI-11-041/X Refsource MISC
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12595VDB EntrySignatureX Refsource OVAL
docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-021Vendor AdvisoryX Refsource MS