CVE-2010-0261
CVE-2010-0261 is a critical-severity vulnerability in Microsoft Excel with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 23% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 2.0 base score 9.3)
- EPSS exploit prediction: 23% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Microsoft Excel
- Published:
- Last modified:
Description
Heap-based buffer overflow in Microsoft Office Excel 2007 SP1 and SP2 and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allows remote attackers to execute arbitrary code via a crafted spreadsheet in which "a MDXSET record is broken up into several records," aka "Microsoft Office Excel MDXSET Record Heap Overflow Vulnerability."
Frequently asked questions
- What is CVE-2010-0261?
- Heap-based buffer overflow in Microsoft Office Excel 2007 SP1 and SP2 and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allows remote attackers to execute arbitrary code via a crafted spreadsheet in which "a MDXSET record is broken up into several records," aka "Microsoft Office Excel MDXSET Record Heap Overflow Vulnerability."
- How severe is CVE-2010-0261?
- CVE-2010-0261 has a CVSS 2.0 base score of 9.3, rated critical severity.
- Is CVE-2010-0261 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 23% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2010-0261?
- CVE-2010-0261 primarily affects Microsoft Excel. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2010-0261?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2010-0261 published?
- CVE-2010-0261 was published on 2010-03-10 and last updated on 2026-06-16.
References
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=861
- http://www.securitytracker.com/id?1023698
- http://www.us-cert.gov/cas/techalerts/TA10-068A.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-017
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8479
Affected products (15)
- cpe:2.3:a:microsoft:excel:2002:sp3:*:*:*:*:*:*
- cpe:2.3:a:microsoft:excel:2003:sp3:*:*:*:*:*:*
- cpe:2.3:a:microsoft:excel:2007:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:excel:2007:sp2:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office:2004:*:mac:*:*:*:*:*
- cpe:2.3:a:microsoft:office:2008:*:mac:*:*:*:*:*
- cpe:2.3:a:microsoft:office_compatibility_pack:2007:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office_compatibility_pack:2007:sp2:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office_excel_viewer:*:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office_excel_viewer:*:sp2:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office_sharepoint_server:2007:sp1:x32:*:*:*:*:*
- cpe:2.3:a:microsoft:office_sharepoint_server:2007:sp1:x64:*:*:*:*:*
- cpe:2.3:a:microsoft:office_sharepoint_server:2007:sp2:x32:*:*:*:*:*
- cpe:2.3:a:microsoft:office_sharepoint_server:2007:sp2:x64:*:*:*:*:*
- cpe:2.3:a:microsoft:open_xml_file_format_converter:*:*:mac:*:*:*:*:*
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