How severe is CVE-2008-4030?

CVE-2008-4030 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2008-4030 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 23% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-4030?

CVE-2008-4030 primarily affects Microsoft Office. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-4030?

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-2008-4030 published?

CVE-2008-4030 was published on 2008-12-10 and last updated on 2026-06-16.

CVE-2008-4030

CVE-2008-4030 is a critical-severity vulnerability in Microsoft Office with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 23% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-399.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 23% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Microsoft Office
Published: 2008-12-10
Last modified: 2026-06-16

Description

Microsoft Office Word 2000 SP3, 2002 SP3, 2003 SP3, and 2007 Gold and SP1; Outlook 2007 Gold and SP1; Word Viewer 2003 Gold and SP3; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats Gold and SP1 allow remote attackers to execute arbitrary code via crafted control words in (1) an RTF file or (2) a rich text e-mail message, which triggers incorrect memory allocation and memory corruption, aka "Word RTF Object Parsing Vulnerability," a different vulnerability than CVE-2008-4028.

Frequently asked questions

What is CVE-2008-4030?: Microsoft Office Word 2000 SP3, 2002 SP3, 2003 SP3, and 2007 Gold and SP1; Outlook 2007 Gold and SP1; Word Viewer 2003 Gold and SP3; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats Gold and SP1 allow remote attackers to execute arbitrary code via crafted control words in (1) an RTF file or (2) a rich text e-mail message, which triggers incorrect memory allocation and memory corruption, aka "Word RTF Object Parsing Vulnerability," a different vulnerability than CVE-2008-4028.
How severe is CVE-2008-4030?: CVE-2008-4030 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2008-4030 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 23% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-4030?: CVE-2008-4030 primarily affects Microsoft Office. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-4030?: 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-2008-4030 published?: CVE-2008-4030 was published on 2008-12-10 and last updated on 2026-06-16.

References

Affected products (14)

cpe:2.3:a:microsoft:office:2004:*:mac:*:*:*:*:*
cpe:2.3:a:microsoft:office:2008:*:mac:*:*:*:*:*
cpe:2.3:a:microsoft:office_compatibility_pack_for_word_excel_ppt_2007:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_compatibility_pack_for_word_excel_ppt_2007:*:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_word_viewer:2003:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_word_viewer:2003:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:open_xml_file_format_converter:*:*:mac:*:*:*:*:*
cpe:2.3:a:microsoft:works:8.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_outlook:2007:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_outlook:2007:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_word:2000:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_word:2002:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_word:2003:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_word:2007:*:*:*:*:*:*:*

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