How severe is CVE-2008-4254?

CVE-2008-4254 has a CVSS 2.0 base score of 8.5, rated high severity.

Is CVE-2008-4254 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-4254?

CVE-2008-4254 primarily affects Microsoft Office Frontpage. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-4254?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2008-4254 published?

CVE-2008-4254 was published on 2008-12-10 and last updated on 2026-06-16.

CVE-2008-4254

CVE-2008-4254 is a high-severity vulnerability in Microsoft Office Frontpage with a CVSS 2.0 base score of 8.5. Its EPSS exploit-prediction score of 22% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-189.

Key facts

Severity: High (CVSS 2.0 base score 8.5)
EPSS exploit prediction: 22% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Microsoft Office Frontpage
Published: 2008-12-10
Last modified: 2026-06-16

Description

Multiple integer overflows in the Hierarchical FlexGrid ActiveX control (mshflxgd.ocx) in Microsoft Visual Basic 6.0 and Visual FoxPro 8.0 SP1 and 9.0 SP1 and SP2 allow remote attackers to execute arbitrary code via crafted (1) Rows and (2) Cols properties to the (a) ExpandAll and (b) CollapseAll methods, related to access of incorrectly initialized objects and corruption of the "system state," aka "Hierarchical FlexGrid Control Memory Corruption Vulnerability."

Frequently asked questions

What is CVE-2008-4254?: Multiple integer overflows in the Hierarchical FlexGrid ActiveX control (mshflxgd.ocx) in Microsoft Visual Basic 6.0 and Visual FoxPro 8.0 SP1 and 9.0 SP1 and SP2 allow remote attackers to execute arbitrary code via crafted (1) Rows and (2) Cols properties to the (a) ExpandAll and (b) CollapseAll methods, related to access of incorrectly initialized objects and corruption of the "system state," aka "Hierarchical FlexGrid Control Memory Corruption Vulnerability."
How severe is CVE-2008-4254?: CVE-2008-4254 has a CVSS 2.0 base score of 8.5, rated high severity.
Is CVE-2008-4254 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-4254?: CVE-2008-4254 primarily affects Microsoft Office Frontpage. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-4254?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2008-4254 published?: CVE-2008-4254 was published on 2008-12-10 and last updated on 2026-06-16.

References

Affected products (10)

cpe:2.3:a:microsoft:office_frontpage:2002:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:project:2003:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:project:2007:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:project:2007:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_basic:6.0:*:runtime_extended_files:*:*:*:*:*
cpe:2.3:a:microsoft:visual_foxpro:8.0:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_foxpro:9.0:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_foxpro:9.0:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_.net:2002:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_.net:2003:sp1:*:*:*:*:*:*

More vulnerabilities in Microsoft Office Frontpage

CVE-2008-4255 — Critical (CVSS 9.3): Heap-based buffer overflow in mscomct2.ocx (aka Windows Common ActiveX control or Microsoft Animation ActiveX control)…
CVE-2008-4256 — High (CVSS 8.5): The Charts ActiveX control in Microsoft Visual Basic 6.0, Visual Studio .NET 2002 SP1 and 2003 SP1, and Visual FoxPro…
CVE-2008-4253 — High (CVSS 8.5): The FlexGrid ActiveX control in Microsoft Visual Basic 6.0, Visual FoxPro 8.0 SP1 and 9.0 SP1 and SP2, Office FrontPage…
CVE-2008-4252 — High (CVSS 8.5): The DataGrid ActiveX control in Microsoft Visual Basic 6.0 and Visual FoxPro 8.0 SP1 and 9.0 SP1 and SP2 does not…

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