CVE-2006-5559
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…
- 9.3HighCVSS base score
- 43.6%Exploitation in 30 daysEPSS · top 1.2% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Show the exploits1
Exploit-DB1 entry
- Microsoft Internet Explorer - ADODB Execute Denial of Service (PoC) (Exploit-DB entry) (opens in a new tab)
EDB-ID 2629dos, windowspublished 24 Oct 2006Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
Published
- 18 years later
· 18 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 43.6% · top 1.2% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.
Affected products
n/a
- affected n/a
References
12
- 1017127 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- MS07-009 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- 20704 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- oval:org.mitre.oval:def:214 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 22452 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- TA07-044A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- http://research.eeye.com/html/alerts/zeroday/20061027.html (opens in a new tab)x_refsource_MISCx_transferred
- VU#589272 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- ie-adodbconnection-Code-Execution(29837) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 31882 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- http://blogs.technet.com/msrc/archive/2006/10/27/adodb-connection-poc-published.aspx (opens in a new tab)x_refsource_MISCx_transferred
- ADV-2007-0578 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2006-5544 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2006-5559)Record last updated .