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Fencer Vulns
medium 6.8

CVE-2006-3961 json

Buffer overflow in McSubMgr ActiveX control (mcsubmgr.dll) in McAfee Security Center 6.0.23 for Internet Security Suite 2006, Wireless Home…

published 2006-08-01 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-3954

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
34.4%
EPSS 34.4% chance of exploitation in 30 days, percentile 98%
public exploits
2
Metasploit, Exploit-DB

Summary

Buffer overflow in McSubMgr ActiveX control (mcsubmgr.dll) in McAfee Security Center 6.0.23 for Internet Security Suite 2006, Wireless Home Network Security, Personal Firewall Plus, VirusScan, Privacy Service, SpamKiller, AntiSpyware, and QuickClean allows remote user-assisted attackers to execute arbitrary commands via long string parameters, which are later used in vsprintf.

Patch / fix

Timeline

  1. First public exploit (Metasploit exploit/windows/browser/mcafee_mcsubmgr_vsprintf)
  2. Published

Exploit prediction

34.36% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

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.