CVE-2006-3438
CVE-2006-3438 is a critical-severity vulnerability in Microsoft Hyperlink Object Library with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation.
Key facts
- Severity: Critical (CVSS 2.0 base score 9.3)
- EPSS exploit prediction: 12% (96th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Hyperlink Object Library
- Published:
- Last modified:
Description
Unspecified vulnerability in Microsoft Hyperlink Object Library (hlink.dll), possibly a buffer overflow, allows user-assisted attackers to execute arbitrary code via crafted hyperlinks that are not properly handled when hlink.dll "uses a file containing a malformed function," aka "Hyperlink Object Function Vulnerability."
Frequently asked questions
- What is CVE-2006-3438?
- Unspecified vulnerability in Microsoft Hyperlink Object Library (hlink.dll), possibly a buffer overflow, allows user-assisted attackers to execute arbitrary code via crafted hyperlinks that are not properly handled when hlink.dll "uses a file containing a malformed function," aka "Hyperlink Object Function Vulnerability."
- How severe is CVE-2006-3438?
- CVE-2006-3438 has a CVSS 2.0 base score of 9.3, rated critical severity.
- Is CVE-2006-3438 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2006-3438?
- CVE-2006-3438 affects Microsoft Hyperlink Object Library. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2006-3438?
- 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-2006-3438 published?
- CVE-2006-3438 was published on 2006-08-09 and last updated on 2026-06-16.
References
- http://securitytracker.com/id?1016659
- http://www.kb.cert.org/vuls/id/683612
- http://www.securityfocus.com/bid/19405
- http://www.us-cert.gov/cas/techalerts/TA06-220A.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-050
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A115
Affected products (1)
- cpe:2.3:a:microsoft:hyperlink_object_library:*:*:*:*:*:*:*:*
More vulnerabilities in Microsoft Hyperlink Object Library
- CVE-2006-3086 — Critical (CVSS 9.3): Stack-based buffer overflow in the HrShellOpenWithMonikerDisplayName function in Microsoft Hyperlink Object Library…