How severe is CVE-2008-3007?

CVE-2008-3007 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2008-3007 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-2008-3007?

CVE-2008-3007 primarily affects Microsoft Office. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-3007?

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-2008-3007 published?

CVE-2008-3007 was published on 2008-09-11 and last updated on 2026-06-16.

CVE-2008-3007

CVE-2008-3007 is a critical-severity vulnerability in Microsoft Office 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. The underlying weakness is classified as CWE-20.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 32% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Microsoft Office
Published: 2008-09-11
Last modified: 2026-06-16

Description

Argument injection vulnerability in a URI handler in Microsoft Office XP SP3, 2003 SP2 and SP3, 2007 Office System Gold and SP1, and Office OneNote 2007 Gold and SP1 allow remote attackers to execute arbitrary code via a crafted onenote:// URL, aka "Uniform Resource Locator Validation Error Vulnerability."

Frequently asked questions

What is CVE-2008-3007?: Argument injection vulnerability in a URI handler in Microsoft Office XP SP3, 2003 SP2 and SP3, 2007 Office System Gold and SP1, and Office OneNote 2007 Gold and SP1 allow remote attackers to execute arbitrary code via a crafted onenote:// URL, aka "Uniform Resource Locator Validation Error Vulnerability."
How severe is CVE-2008-3007?: CVE-2008-3007 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2008-3007 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-2008-3007?: CVE-2008-3007 primarily affects Microsoft Office. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-3007?: 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-2008-3007 published?: CVE-2008-3007 was published on 2008-09-11 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:a:microsoft:office:2003:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2003:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2007:*:gold:*:*:*:*:*
cpe:2.3:a:microsoft:office:2007:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:xp:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_onenote:2007:gold:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_onenote:2007:sp1:*:*:*:*:*:*

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