Heap-based buffer overflow in the CRpcIoManagerServer::BuildContext function in msdtcprx.dll for Microsoft Distributed Transaction Coordinator (MSDTC) for Windows NT 4.0 and Windows 2000 SP2 and SP3 allows remote attackers to execute arbitrary code via a long fifth argument to the BuildContextW or BuildContext opcode, which triggers a bug in the NdrAllocate function, aka the MSDTC Invalid Memory Access Vulnerability
Published May 9, 2006
7.5
HIGHCVSS 2.0
EPSS 31.40%
Description
Heap-based buffer overflow in the CRpcIoManagerServer::BuildContext function in msdtcprx.dll for Microsoft Distributed Transaction Coordinator (MSDTC) for Windows NT 4.0 and Windows 2000 SP2 and SP3 allows remote attackers to execute arbitrary code via a long fifth argument to the BuildContextW or BuildContext opcode, which triggers a bug in the NdrAllocate function, aka the MSDTC Invalid Memory Access Vulnerability.
Affected products
No data.
Configuration 1
- n/a
Configuration 2
- n/a
- n/a
- n/a
- n/a
- n/a
- enterprise
- enterprise_64-bit
- r2
- r2
- standard
- web
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
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:L/Au:N/C:P/I:P/A:P
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 (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 31.40% (0.31400) | 98.23th | v5 (v2026.06.15) |
| Jun 15, 2026 | 31.40% (0.31400) | 98.05th | v5 (v2026.06.15) |
| Jun 7, 2026 | 36.44% (0.36442) | 97.21th | v4 (v2025.03.14) |
| Dec 28, 2025 | 48.73% (0.48730) | 97.64th | v4 (v2025.03.14) |
| Dec 27, 2025 | 51.97% (0.51970) | 97.81th | v4 (v2025.03.14) |
| Oct 28, 2025 | 48.73% (0.48730) | 97.61th | v4 (v2025.03.14) |
| Oct 27, 2025 | 51.97% (0.51970) | 97.77th | v4 (v2025.03.14) |
| Oct 23, 2025 | 48.73% (0.48730) | 97.60th | v4 (v2025.03.14) |
| Mar 30, 2025 | 51.97% (0.51970) | 97.69th | v4 (v2025.03.14) |
| Mar 29, 2025 | 47.33% (0.47332) | 96.62th | v4 (v2025.03.14) |
| Mar 17, 2025 | 51.97% (0.51970) | 97.65th | v4 (v2025.03.14) |
| Dec 17, 2024 | 57.26% (0.57263) | 97.83th | v3 (v2023.03.01) |
| Aug 28, 2024 | 77.90% (0.77901) | 98.30th | v3 (v2023.03.01) |
| Mar 29, 2024 | 93.54% (0.93539) | 99.05th | v3 (v2023.03.01) |
| Jan 13, 2024 | 92.24% (0.92238) | 98.75th | v3 (v2023.03.01) |
| Oct 2, 2023 | 92.12% (0.92120) | 98.61th | v3 (v2023.03.01) |
| Jul 5, 2023 | 94.19% (0.94192) | 98.79th | v3 (v2023.03.01) |
| Mar 7, 2023 | 94.80% (0.94801) | 98.75th | v3 (v2023.03.01) |
| Mar 6, 2023 | 46.72% (0.46718) | 98.56th | v2 (v2022.01.01) |
| Feb 4, 2022 | 46.72% (0.46718) | 98.03th | v2 (v2022.01.01) |
References (16)
- http://archives.neohapsis.com/archives/fulldisclosure/2006-05/0238.html mailing-listx_refsource_FULLDISC
- http://archives.neohapsis.com/archives/fulldisclosure/2006-05/0269.html mailing-listx_refsource_FULLDISC
- http://secunia.com/advisories/20000 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://securityreason.com/securityalert/863 third-party-advisoryx_refsource_SREASON
- http://securitytracker.com/id?1016047 vdb-entryx_refsource_SECTRACK
- http://www.eeye.com/html/research/advisories/AD20060509a.html x_refsource_MISCPatchVendor Advisory
- http://www.osvdb.org/25335 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/archive/1/433430/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/433677/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/17906 vdb-entryx_refsource_BIDPatch
- http://www.vupen.com/english/advisories/2006/1742 vdb-entryx_refsource_VUPENVendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-018 vendor-advisoryx_refsource_MS
- https://exchange.xforce.ibmcloud.com/vulnerabilities/25559 vdb-entryx_refsource_XF
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1222 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1477 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1908 vdb-entrysignaturex_refsource_OVAL
Change history (0)
No recorded changes yet.