CVE-2006-3086

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 56.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2006-06-19 · updated 2026-06-16
Weakness: CWE-119

Description

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.

Affected products

Microsoft Hyperlink Object Library: all versions

References

http://blogs.technet.com/msrc/archive/2006/06/20/437826.aspx
http://marc.info/?l=full-disclosure&m=115067840426070&w=2
http://secunia.com/advisories/20748
http://securitytracker.com/id?1016339
http://www.kb.cert.org/vuls/id/394444
http://www.osvdb.org/26666
http://www.securityfocus.com/archive/1/438057/100/0/threaded
http://www.securityfocus.com/archive/1/438093/100/0/threaded
http://www.securityfocus.com/archive/1/438096/100/0/threaded
http://www.securityfocus.com/archive/1/438156/100/0/threaded
http://www.securityfocus.com/archive/1/438373/100/0/threaded
http://www.securityfocus.com/archive/1/442724/100/0/threaded

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