Buffer overflow in Microsoft Excel
CVE-2011-1275
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."
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: 0.133 (96.4th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.133 · newest: 0.133 · change: 0.000
Affected products
- Microsoft Excel — versions 2002
- Microsoft Office — versions 2004, 2008, 2011
- Microsoft Open XML File Format Converter
Weakness classification (CWE)
References
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:12736 (signature, vdb-entry)
- docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-045 (vendor-advisory)