How severe is CVE-2006-1308?

CVE-2006-1308 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2006-1308 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-1308?

CVE-2006-1308 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-2006-1308?

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-2006-1308 published?

CVE-2006-1308 was published on 2006-07-13 and last updated on 2026-06-16.

CVE-2006-1308

CVE-2006-1308 is a critical-severity vulnerability in Microsoft Excel with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Microsoft Excel
Published: 2006-07-13
Last modified: 2026-06-16

Description

Unspecified vulnerability in Microsoft Excel 2000 through 2004 allows user-assisted attackers to execute arbitrary code via a .xls file with a crafted FNGROUPCOUNT value.

Frequently asked questions

What is CVE-2006-1308?: Unspecified vulnerability in Microsoft Excel 2000 through 2004 allows user-assisted attackers to execute arbitrary code via a .xls file with a crafted FNGROUPCOUNT value.
How severe is CVE-2006-1308?: CVE-2006-1308 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2006-1308 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-1308?: CVE-2006-1308 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-2006-1308?: 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-2006-1308 published?: CVE-2006-1308 was published on 2006-07-13 and last updated on 2026-06-16.

References

Affected products (13)

cpe:2.3:a:microsoft:excel:2000:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:excel:2000:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:excel:2000:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:excel:2000:sr1:*:*:*:*:*:*
cpe:2.3:a:microsoft:excel:2002:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:excel:2002:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:excel:2002:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:excel:2002:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:excel:2003:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:excel:2003:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:excel:2004:*:mac_os_x:*:*:*:*:*
cpe:2.3:a:microsoft:excel:x:*:mac_os_x:*:*:*:*:*
cpe:2.3:a:microsoft:excel_viewer:2003:*:*:*:*:*:*:*

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