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Vulnerability record · CVE-2006-3357 · published 6 July 2006

CVE-2006-3357: Microsoft internet explorer vulnerability

Microsoft · Internet Explorer

Heap-based buffer overflow in HTML Help ActiveX control (hhctrl.ocx) in Microsoft Internet Explorer 6.0 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code by repeatedly setting the Image field of an Internet.HHCtrl.1 object to certain values, possibly related to improper escaping and long strings.

7.5 CVSS 2.0 High EPSS 35% · top 1.6%
7.5CVSS 2.0 base score
35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
28References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Heap-based buffer overflow in HTML Help ActiveX control (hhctrl.ocx) in Microsoft Internet Explorer 6.0 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code by repeatedly setting the Image field of an Internet.HHCtrl.1 object to certain values, possibly related to improper escaping and long strings.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://browserfun.blogspot.com/2006/07/mobb-2-internethhctrl-image-property.html
http://secunia.com/advisories/20906 Vendor Advisory
http://securitytracker.com/id?1016434
http://www.kb.cert.org/vuls/id/159220 US Government Resource
http://www.osvdb.org/26835
http://www.securityfocus.com/archive/1/442733/100/0/threaded
http://www.securityfocus.com/bid/18769 Exploit
http://www.tippingpoint.com/security/advisories/TSRT-06-08.html
http://www.us-cert.gov/cas/techalerts/TA06-220A.html US Government Resource
http://www.vupen.com/english/advisories/2006/2634
http://www.vupen.com/english/advisories/2006/2635
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-046
https://exchange.xforce.ibmcloud.com/vulnerabilities/27573
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13
http://browserfun.blogspot.com/2006/07/mobb-2-internethhctrl-image-property.html
http://secunia.com/advisories/20906 Vendor Advisory
http://securitytracker.com/id?1016434
http://www.kb.cert.org/vuls/id/159220 US Government Resource
http://www.osvdb.org/26835
http://www.securityfocus.com/archive/1/442733/100/0/threaded
http://www.securityfocus.com/bid/18769 Exploit
http://www.tippingpoint.com/security/advisories/TSRT-06-08.html
http://www.us-cert.gov/cas/techalerts/TA06-220A.html US Government Resource
http://www.vupen.com/english/advisories/2006/2634
http://www.vupen.com/english/advisories/2006/2635
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-046
https://exchange.xforce.ibmcloud.com/vulnerabilities/27573
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13

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Source: NIST National Vulnerability Database (record CVE-2006-3357), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.