CVE-2006-5559

Name: CVE-2006-5559
Creator: NVD / NIST
Published: 2006-10-27T16:07:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 43.79%

Last modified Jun 16, 2026

CVE-2006-5559 is a vulnerability of currently unknown severity. The Execute method in the ADODB.Connection 2.7 and 2.8 ActiveX control objects (ADODB.Connection.2.7 and ADODB.Connection.2.8) in the Microsoft Data Access Components (MDAC) 2.5 SP3, 2.7 SP1, 2.8, and 2.8 SP1 does not properly track freed memory when the second argument is a BSTR, which allows remote attackers to cause a denial of service (Internet Explorer crash) and possibly execute arbitrary code via certain strings in the second and third arguments.. EPSS estimates a 43.79% chance of exploitation in the next 30 days.

Description

The Execute method in the ADODB.Connection 2.7 and 2.8 ActiveX control objects (ADODB.Connection.2.7 and ADODB.Connection.2.8) in the Microsoft Data Access Components (MDAC) 2.5 SP3, 2.7 SP1, 2.8, and 2.8 SP1 does not properly track freed memory when the second argument is a BSTR, which allows remote attackers to cause a denial of service (Internet Explorer crash) and possibly execute arbitrary code via certain strings in the second and third arguments.

Metrics

EPSS Probability

43.79%

98.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions	Update
Microsoft	Data Access Components	2.5	Sp3
Microsoft	Data Access Components	2.8	Sp1
Microsoft	Data Access Components	2.7	Sp1

References

http://blogs.technet.com/msrc/archive/2006/10/27/adodb-connection-poc-published.aspx
http://research.eeye.com/html/alerts/zeroday/20061027.htmlPatch
http://secunia.com/advisories/22452Vendor Advisory
http://securitytracker.com/id?1017127Exploit, Patch, Vendor Advisory
http://www.kb.cert.org/vuls/id/589272Patch, US Government Resource
http://www.osvdb.org/31882
http://www.securityfocus.com/bid/20704Exploit, Patch
http://www.us-cert.gov/cas/techalerts/TA07-044A.htmlUS Government Resource
http://www.vupen.com/english/advisories/2007/0578Vendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-009
https://exchange.xforce.ibmcloud.com/vulnerabilities/29837
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A214
http://blogs.technet.com/msrc/archive/2006/10/27/adodb-connection-poc-published.aspx
http://research.eeye.com/html/alerts/zeroday/20061027.htmlPatch
http://secunia.com/advisories/22452Vendor Advisory
http://securitytracker.com/id?1017127Exploit, Patch, Vendor Advisory
http://www.kb.cert.org/vuls/id/589272Patch, US Government Resource
http://www.osvdb.org/31882
http://www.securityfocus.com/bid/20704Exploit, Patch
http://www.us-cert.gov/cas/techalerts/TA07-044A.htmlUS Government Resource
http://www.vupen.com/english/advisories/2007/0578Vendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-009
https://exchange.xforce.ibmcloud.com/vulnerabilities/29837
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A214

Timeline

Published: Oct 27, 2006
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2006-5559?

How severe is CVE-2006-5559?

Severity scoring for CVE-2006-5559 is pending analysis. The EPSS model estimates a 43.79% probability of exploitation in the next 30 days.

How do I fix CVE-2006-5559?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2006-5559?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST