CVE-2006-3086
Stack-based buffer overflow in the HrShellOpenWithMonikerDisplayName function in Microsoft...
Stack-based buffer overflow in the HrShellOpenWithMonikerDisplayName function in Microsoft Hyperlink Object Library (hlink.dll) allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long hyperlink, as demonstrated using an Excel worksheet with a long link in Unicode, aka "Hyperlink COM Object Buffer Overflow Vulnerability." NOTE: this is a different issue than CVE-2006-3059.
Exploit likelihood
What each source reports
NVD Score used
Stack-based buffer overflow in the HrShellOpenWithMonikerDisplayName function in Microsoft Hyperlink Object Library (hlink.dll) allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long hyperlink, as demonstrated using an Excel worksheet with a long link in Unicode, aka "Hyperlink COM Object Buffer Overflow Vulnerability." NOTE: this is a different issue than CVE-2006-3059.
- Record
CVE-2006-3086- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
Stack-based buffer overflow in the HrShellOpenWithMonikerDisplayName function in Microsoft Hyperlink Object Library (hlink.dll) allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long hyperlink, as demonstrated using an Excel worksheet with a long link in Unicode, aka "Hyperlink COM Object Buffer Overflow Vulnerability." NOTE: this is a different issue than CVE-2006-3059.
- Record
CVE-2006-3086- Updated
- 2026-11-02
EUVDEUVD-2006-3083 No score
Stack-based buffer overflow in the HrShellOpenWithMonikerDisplayName function in Microsoft Hyperlink Object Library (hlink.dll) allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long hyperlink, as demonstrated using an Excel worksheet with a long link in Unicode, aka "Hyperlink COM Object Buffer Overflow Vulnerability." NOTE: this is a different issue than CVE-2006-3059.
- Record
EUVD-2006-3083- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-43vm-vj9c-qch2 No score
Stack-based buffer overflow in the HrShellOpenWithMonikerDisplayName function in Microsoft...
Stack-based buffer overflow in the HrShellOpenWithMonikerDisplayName function in Microsoft Hyperlink Object Library (hlink.dll) allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long hyperlink, as demonstrated using an Excel worksheet with a long link in Unicode, aka "Hyperlink COM Object Buffer Overflow Vulnerability." NOTE: this is a different issue than CVE-2006-3059.
- Record
GHSA-43vm-vj9c-qch2- Weakness
- CWE-119
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft Excel - Unicode Local Overflow (PoC) | 2006-06-18 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-3086 is a high vulnerability (CVSS 9.3) in Microsoft Hyperlink Object Library, published June 19, 2006. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 56.5%, the 99th percentile. No source names a fixed version.
References
securityfocus.com/archive/1/438057/100/0/threaded
kb.cert.org/vuls/id/394444
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vupen.com/english/advisories/2006/2431
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A999
blogs.technet.com/msrc/archive/2006/06/20/437826.aspx
osvdb.org/26666
exchange.xforce.ibmcloud.com/vulnerabilities/27224
tippingpoint.com/security/advisories/TSRT-06-10.html
marc.info?l=full-disclosure&m=115067840426070&w=2
secunia.com/advisories/20748
docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-050
securitytracker.com/id?1016339
nvd.nist.gov/vuln/detail/CVE-2006-3086
github.com/advisories/GHSA-43vm-vj9c-qch2