CVE-2006-2388

CVE-2006-2388 is a critical-severity vulnerability in Microsoft Excel with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-94.

Key facts

Description

Microsoft Office Excel 2000 through 2004 allows user-assisted attackers to execute arbitrary code via malformed cell comments, which lead to modification of "critical data offsets" during the rebuilding process.

Frequently asked questions

What is CVE-2006-2388?
Microsoft Office Excel 2000 through 2004 allows user-assisted attackers to execute arbitrary code via malformed cell comments, which lead to modification of "critical data offsets" during the rebuilding process.
How severe is CVE-2006-2388?
CVE-2006-2388 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2006-2388 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-2388?
CVE-2006-2388 primarily affects Microsoft Excel. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-2388?
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-2006-2388 published?
CVE-2006-2388 was published on 2006-07-13 and last updated on 2026-06-16.

References

Affected products (13)

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