CVE-2007-6026

CVE-2007-6026 is a critical-severity vulnerability in Microsoft Jet with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 28% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

• Severity: Critical (CVSS 2.0 base score 9.3)
• EPSS exploit prediction: 28% (98th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Microsoft Jet
• Published: 2007-11-20
• Last modified: 2026-06-16

Description

Stack-based buffer overflow in Microsoft msjet40.dll 4.0.8618.0 (aka Microsoft Jet Engine), as used by Access 2003 in Microsoft Office 2003 SP3, allows user-assisted attackers to execute arbitrary code via a crafted MDB file database file containing a column structure with a modified column count. NOTE: this might be the same issue as CVE-2005-0944.

Frequently asked questions

What is CVE-2007-6026?

Stack-based buffer overflow in Microsoft msjet40.dll 4.0.8618.0 (aka Microsoft Jet Engine), as used by Access 2003 in Microsoft Office 2003 SP3, allows user-assisted attackers to execute arbitrary code via a crafted MDB file database file containing a column structure with a modified column count. NOTE: this might be the same issue as CVE-2005-0944.

How severe is CVE-2007-6026?

CVE-2007-6026 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2007-6026 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 28% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-6026?

CVE-2007-6026 primarily affects Microsoft Jet. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-6026?

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-2007-6026 published?

CVE-2007-6026 was published on 2007-11-20 and last updated on 2026-06-16.

References

• http://dvlabs.tippingpoint.com/advisory/TPTI-08-04
• http://lists.grok.org.uk/pipermail/full-disclosure/2007-November/058531.html
• http://marc.info/?l=bugtraq&m=121129490723574&w=2
• http://ruder.cdut.net/blogview.asp?logID=227
• http://securityreason.com/securityalert/3376
• http://www.kb.cert.org/vuls/id/936529
• http://www.securityfocus.com/archive/1/483797/100/0/threaded
• http://www.securityfocus.com/archive/1/483858/100/100/threaded
• http://www.securityfocus.com/archive/1/483887/100/100/threaded
• http://www.securityfocus.com/archive/1/483888/100/100/threaded
• http://www.securityfocus.com/archive/1/492019/100/0/threaded
• http://www.securityfocus.com/bid/26468
• http://www.securityfocus.com/bid/28398
• http://www.securitytracker.com/id?1018976
• http://www.us-cert.gov/cas/techalerts/TA08-134A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-028
• https://exchange.xforce.ibmcloud.com/vulnerabilities/38499
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5578

Affected products (6)

• cpe:2.3:a:microsoft:jet:4.0.8618.0:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:office:2003:sp3:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:*:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_xp:*:sp2:*:*:*:*:*:*

More vulnerabilities in Microsoft Jet

• CVE-2008-1200 — Critical (CVSS 9.3): Unspecified vulnerability in Microsoft Access allows remote user-assisted attackers to execute arbitrary code via a…
• CVE-2000-0323 — High (CVSS 7.6): The Microsoft Jet database engine allows an attacker to modify text files via a database query, aka the "Text I-ISAM"…
• CVE-2005-0944 — High (CVSS 7.5): Unknown vulnerability in Microsoft Jet DB engine (msjet40.dll) 4.00.8618.0, related to insufficient data validation,…
• CVE-2004-0197 — High (CVSS 7.5): Buffer overflow in Microsoft Jet Database Engine 4.0 allows remote attackers to execute arbitrary code via a…
• CVE-2002-0859 — High (CVSS 7.5): Buffer overflow in the OpenDataSource function of the Jet engine on Microsoft SQL Server 2000 allows remote attackers…
• CVE-2000-0325 — High (CVSS 7.2): The Microsoft Jet database engine allows an attacker to execute commands via a database query, aka the "VBA Shell"…

All CVEs affecting Microsoft Jet →

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