Heap-based buffer overflow in mscomct2.ocx (aka Windows Common ActiveX control or…
Priority HIGH 72CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Heap-based buffer overflow in mscomct2.ocx (aka Windows Common ActiveX control or Microsoft Animation ActiveX control) in Microsoft Visual Basic 6.0, Visual Studio .NET 2002 SP1 and 2003 SP1, Visual FoxPro 8.0 SP1 and 9.0 SP1 and SP2, and Office Project 2003 SP3 and 2007 Gold and SP1 allows remote attackers to execute arbitrary code via an AVI file with a crafted stream length, which triggers an "allocation error" and memory corruption, aka "Windows Common AVI Parsing Overflow Vulnerability."
Why it matters now
EPSS 0.53703 99th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:office_frontpage:2002:sp3:*:*:*:*:*:* | 2002 sp3 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:project:2003:sp3:*:*:*:*:*:* | 2003 sp3 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:project:2007:*:*:*:*:*:*:* | 2007 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:project:2007:sp1:*:*:*:*:*:* | 2007 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:visual_basic:6.0:*:runtime_extended_files:*:*:*:*:* | 6.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:visual_foxpro:8.0:sp1:*:*:*:*:*:* | 8.0 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:visual_foxpro:9.0:sp1:*:*:*:*:*:* | 9.0 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:visual_foxpro:9.0:sp2:*:*:*:*:*:* | 9.0 sp2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:visual_studio_.net:2002:sp1:*:*:*:*:*:* | 2002 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:visual_studio_.net:2003:sp1:*:*:*:*:*:* | 2003 sp1 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:office_frontpage:2002:sp3:*:*:*:*:*:* Versions 2002 sp3 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:project:2003:sp3:*:*:*:*:*:* Versions 2003 sp3 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:project:2007:*:*:*:*:*:*:* Versions 2007 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:project:2007:sp1:*:*:*:*:*:* Versions 2007 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:visual_basic:6.0:*:runtime_extended_files:*:*:*:*:* Versions 6.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:visual_foxpro:8.0:sp1:*:*:*:*:*:* Versions 8.0 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:visual_foxpro:9.0:sp1:*:*:*:*:*:* Versions 9.0 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:visual_foxpro:9.0:sp2:*:*:*:*:*:* Versions 9.0 sp2 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:visual_studio_.net:2002:sp1:*:*:*:*:*:* Versions 2002 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:visual_studio_.net:2003:sp1:*:*:*:*:*:* Versions 2003 sp1 Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2008-4255
- 2026-10-03 Alias added: GHSA-7mp9-mc39-h253
- 2026-11-05 EPSS moved to the 99th percentile and above
References
More Microsoft Office Frontpage vulnerabilities
- TI-2008-04075 Multiple integer overflows in the Hierarchical FlexGrid ActiveX control (mshflxgd.ocx) in… CVSS 2.0HIGH 8.5
- TI-2008-04077 The Charts ActiveX control in Microsoft Visual Basic 6.0, Visual Studio .NET 2002 SP1 and… CVSS 2.0HIGH 8.5
- TI-2008-04074 The FlexGrid ActiveX control in Microsoft Visual Basic 6.0, Visual FoxPro 8.0 SP1 and 9.0… CVSS 2.0HIGH 8.5
- TI-2008-04073 The DataGrid ActiveX control in Microsoft Visual Basic 6.0 and Visual FoxPro 8.0 SP1 and… CVSS 2.0HIGH 8.5
Sources
- CVE-2008-4255 · CVE Program
- CVE-2008-4255 · NVD
- FIRST EPSS
- GHSA-7mp9-mc39-h253 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences