CVE-2007-1756
CVE-2007-1756 is a critical-severity vulnerability in Microsoft Excel with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 32% places it in the 98th percentile, indicating an elevated likelihood of exploitation.
Key facts
- Severity: Critical (CVSS 2.0 base score 9.3)
- EPSS exploit prediction: 32% (98th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Excel
- Published:
- Last modified:
Description
Microsoft Excel 2000 SP3, 2002 SP3, 2003 SP2, 2003 Viewer, and Office Excel 2007 does not properly validate version information, which allows user-assisted remote attackers to execute arbitrary code via a crafted Excel file, aka "Calculation Error Vulnerability".
Frequently asked questions
- What is CVE-2007-1756?
- Microsoft Excel 2000 SP3, 2002 SP3, 2003 SP2, 2003 Viewer, and Office Excel 2007 does not properly validate version information, which allows user-assisted remote attackers to execute arbitrary code via a crafted Excel file, aka "Calculation Error Vulnerability".
- How severe is CVE-2007-1756?
- CVE-2007-1756 has a CVSS 2.0 base score of 9.3, rated critical severity.
- Is CVE-2007-1756 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 32% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2007-1756?
- CVE-2007-1756 primarily affects Microsoft Excel. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2007-1756?
- 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-2007-1756 published?
- CVE-2007-1756 was published on 2007-07-10 and last updated on 2026-06-16.
References
- http://archive.cert.uni-stuttgart.de/bugtraq/2007/07/msg00254.html
- http://osvdb.org/35957
- http://secunia.com/advisories/25995
- http://www.securityfocus.com/bid/24801
- http://www.securitytracker.com/id?1018352
- http://www.us-cert.gov/cas/techalerts/TA07-191A.html
- http://www.vupen.com/english/advisories/2007/2478
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-036
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35210
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2123
Affected products (10)
- cpe:2.3:a:microsoft:excel:2000:sp3:*:*:*:*:*:*
- cpe:2.3:a:microsoft:excel:2002:sp3:*:*:*:*:*:*
- cpe:2.3:a:microsoft:excel:2003:sp2:*:*:*:*:*:*
- cpe:2.3:a:microsoft:excel:2007:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:excel_viewer:2003:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office:2000:sp3:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office:2003:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office:2003:sp2:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office:2007:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office:xp:sp3:*:*:*:*:*:*
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