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
Published Oct 27, 2006
9.3
HIGHCVSS 2.0
EPSS 43.62%
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.
Affected products
No data.
Configuration 1
Running on/with
- n/a
- 2.5
Configuration 2
Running on/with
- n/a
- 2.8
Configuration 3
Running on/with
- n/a
- itanium
- 2.8
Configuration 4
Running on/with
- n/a
- 2.7
Configuration 5
Running on/with
- n/a
- 2.8
Configuration 6
Running on/with
- n/a
- 2.8
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (30 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 43.62% (0.43619) | 98.70th | v5 (v2026.06.15) |
| Oct 1, 2026 | 43.62% (0.43619) | 98.70th | v5 (v2026.06.15) |
| Sep 20, 2026 | 41.90% (0.41904) | 98.63th | v5 (v2026.06.15) |
| Jul 20, 2026 | 41.07% (0.41065) | 98.51th | v5 (v2026.06.15) |
| Jun 20, 2026 | 43.79% (0.43785) | 98.58th | v5 (v2026.06.15) |
| Jun 15, 2026 | 40.80% (0.40799) | 98.47th | v5 (v2026.06.15) |
| Feb 5, 2026 | 71.77% (0.71774) | 98.69th | v4 (v2025.03.14) |
| Dec 28, 2025 | 70.45% (0.70449) | 98.63th | v4 (v2025.03.14) |
| Dec 27, 2025 | 72.73% (0.72734) | 98.73th | v4 (v2025.03.14) |
| Oct 28, 2025 | 70.45% (0.70449) | 98.61th | v4 (v2025.03.14) |
| Oct 27, 2025 | 72.73% (0.72734) | 98.72th | v4 (v2025.03.14) |
| Oct 23, 2025 | 70.45% (0.70449) | 98.62th | v4 (v2025.03.14) |
| Mar 30, 2025 | 72.08% (0.72081) | 98.66th | v4 (v2025.03.14) |
| Mar 29, 2025 | 56.03% (0.56027) | 97.24th | v4 (v2025.03.14) |
| Mar 17, 2025 | 72.08% (0.72081) | 98.66th | v4 (v2025.03.14) |
| Dec 12, 2024 | 96.76% (0.96764) | 99.73th | v3 (v2023.03.01) |
| Jul 2, 2024 | 96.82% (0.96820) | 99.70th | v3 (v2023.03.01) |
| May 8, 2024 | 96.80% (0.96800) | 99.68th | v3 (v2023.03.01) |
| Mar 21, 2024 | 96.77% (0.96772) | 99.65th | v3 (v2023.03.01) |
| Feb 8, 2024 | 96.73% (0.96727) | 99.62th | v3 (v2023.03.01) |
| Jan 31, 2024 | 97.00% (0.97003) | 99.69th | v3 (v2023.03.01) |
| Dec 23, 2023 | 97.08% (0.97077) | 99.71th | v3 (v2023.03.01) |
| Oct 8, 2023 | 97.19% (0.97195) | 99.75th | v3 (v2023.03.01) |
| Aug 31, 2023 | 97.23% (0.97233) | 99.75th | v3 (v2023.03.01) |
| Jul 24, 2023 | 97.17% (0.97169) | 99.70th | v3 (v2023.03.01) |
| Jun 16, 2023 | 97.14% (0.97140) | 99.66th | v3 (v2023.03.01) |
| Mar 31, 2023 | 96.96% (0.96963) | 99.52th | v3 (v2023.03.01) |
| Mar 7, 2023 | 97.03% (0.97026) | 99.53th | v3 (v2023.03.01) |
| Mar 6, 2023 | 58.55% (0.58548) | 98.88th | v2 (v2022.01.01) |
| Feb 4, 2022 | 58.55% (0.58548) | 98.57th | v2 (v2022.01.01) |
References (12)
- http://blogs.technet.com/msrc/archive/2006/10/27/adodb-connection-poc-published.aspx x_refsource_MISC
- http://research.eeye.com/html/alerts/zeroday/20061027.html x_refsource_MISCPatch
- http://secunia.com/advisories/22452 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://securitytracker.com/id?1017127 vdb-entryx_refsource_SECTRACKExploitPatchVendor Advisory
- http://www.kb.cert.org/vuls/id/589272 third-party-advisoryx_refsource_CERT-VNPatchUS Government Resource
- http://www.osvdb.org/31882 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/20704 vdb-entryx_refsource_BIDExploitPatch
- http://www.us-cert.gov/cas/techalerts/TA07-044A.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.vupen.com/english/advisories/2007/0578 vdb-entryx_refsource_VUPENVendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-009 vendor-advisoryx_refsource_MS
- https://exchange.xforce.ibmcloud.com/vulnerabilities/29837 vdb-entryx_refsource_XF
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A214 vdb-entrysignaturex_refsource_OVAL
Change history (0)
No recorded changes yet.