CVE-2007-3030

CVE-2007-3030 is a high-severity vulnerability in Microsoft Excel with a CVSS 2.0 base score of 7.6. Its EPSS exploit-prediction score of 25% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Microsoft Excel 2000 SP3, 2002 SP3, 2003 SP2, and 2003 Viewer allows user-assisted remote attackers to execute arbitrary code via a malformed Excel file involving the "denoting [of] the start of a Workspace designation", which results in memory corruption, aka the "Workbook Memory Corruption Vulnerability".

Frequently asked questions

What is CVE-2007-3030?
Microsoft Excel 2000 SP3, 2002 SP3, 2003 SP2, and 2003 Viewer allows user-assisted remote attackers to execute arbitrary code via a malformed Excel file involving the "denoting [of] the start of a Workspace designation", which results in memory corruption, aka the "Workbook Memory Corruption Vulnerability".
How severe is CVE-2007-3030?
CVE-2007-3030 has a CVSS 2.0 base score of 7.6, rated high severity.
Is CVE-2007-3030 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 25% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-3030?
CVE-2007-3030 primarily affects Microsoft Excel. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-3030?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2007-3030 published?
CVE-2007-3030 was published on 2007-07-10 and last updated on 2026-06-16.

References

Affected products (6)

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