Skip to content
Fencer Vulns
critical 9.3

CVE-2006-3086 in the critical feed json

Stack-based buffer overflow in the HrShellOpenWithMonikerDisplayName function in Microsoft Hyperlink Object Library (hlink.dll) allows remo…

published 2006-06-19 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-3083

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
56.5%
EPSS 56.5% chance of exploitation in 30 days, percentile 99%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

Timeline

  1. First public exploit (EDB-1927)
  2. Published

Exploit prediction

56.46% chance of exploitation in the next 30 days, higher than 99% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-1927 Microsoft Excel - Unicode Local Overflow (PoC) dos, 2006-06-18
  • securityfocus.com http://www.securityfocus.com/bid/18500 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.