CVE-2006-4868
CriticalExploitedPublic exploitStack-based buffer overflow in the Vector Graphics Rendering engine (vgx.dll), as used in Microsoft Outlook and Internet Explorer 6.0 on Windows XP SP2, and possibly other versions, allows remote attackers to execute arbitrary code via a Vector Markup Language (VML) file with a…
Published Sep 19, 2006 · Updated Apr 15, 2026
Key Facts
Patch immediately- CVE-2006-4868 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Internet Explorer (Microsoft), Outlook (Microsoft).
- It is exploited in the wild, listed in Industry KEV feed since Sep 26, 2006. Public exploit code is available.
- EPSS estimates a 61% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v2
9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
61%
Higher than 99.1% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2006-4868 brief as a PDF
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Description
Stack-based buffer overflow in the Vector Graphics Rendering engine (vgx.dll), as used in Microsoft Outlook and Internet Explorer 6.0 on Windows XP SP2, and possibly other versions, allows remote attackers to execute arbitrary code via a Vector Markup Language (VML) file with a long fill parameter within a rect tag.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Sep 26, 2006 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Internet ExplorerMicrosoft | 5.0.1-sp4, 6.0 | n/a |
| OutlookMicrosoft | 2003 | n/a |
Timeline
Publicly disclosed
Sep 19, 2006
Added to Industry KEV feed
Sep 26, 2006
Last updated
Apr 15, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- advisoryADV-2006-3679
- patch21989
- patchhttp://www.microsoft.com/technet/security/advisory/925568.mspx
- patch20096
- patchTA06-262A
FAQ
Common Questions.
Stack-based buffer overflow in the Vector Graphics Rendering engine (vgx.dll), as used in Microsoft Outlook and Internet Explorer 6.0 on Windows XP SP2, and possibly other versions, allows remote attackers to execute arbitrary code via a Vector Markup Language (VML) file with a long fill parameter within a rect tag.
Affected: Internet Explorer (Microsoft) versions 5.0.1-sp4, 6.0; Outlook (Microsoft) versions 2003. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Sep 26, 2006.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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