Buffer overflow in Microsoft Excel
CVE-2011-1990
Microsoft Excel 2007 SP2; Excel in Office 2007 SP2; Excel Viewer SP2; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2; and Excel Services on Office SharePoint Server 2007 SP2 do not properly validate the sign of an unspecified array index, which allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Out of Bounds Array Indexing Vulnerability."
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 9.3 (High). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.205 (97.4th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.205 · newest: 0.205 · change: 0.000
Affected products
- Microsoft Excel — versions 2007
- Microsoft Excel Viewer
- Microsoft Office — versions 2007
- Microsoft Office Compatibility Pack — versions 2007
- Microsoft Sharepoint Server — versions 2007
Weakness classification (CWE)
References
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:11982 (signature, vdb-entry)
- docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-072 (vendor-advisory)
- www.us-cert.gov/cas/techalerts/TA11-256A.html (US Government Resource, third-party-advisory)