Cross-domain vulnerability in Microsoft XML Core Services 3.0 through 6.0, as used in…
Priority MEDIUM 42CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Partial · None · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-200.
Summary
Cross-domain vulnerability in Microsoft XML Core Services 3.0 through 6.0, as used in Microsoft Expression Web, Office, Internet Explorer, and other products, allows remote attackers to obtain sensitive information from another domain and corrupt the session state via HTTP request header fields, as demonstrated by the Transfer-Encoding field, aka "MSXML Header Request Vulnerability."
Why it matters now
EPSS 0.27747 98th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 28
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:xml_core_services:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_2003_server:*:sp1:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_7:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_7:*:sp1:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:r2:*:*:*:*:*:*:* | r2 | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:* | r2 sp1 | Running on | Microsoft |
- cpe:2.3:a:microsoft:xml_core_services:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_2003_server:*:sp1:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_7:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_7:*:sp1:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:r2:*:*:*:*:*:*:* Versions r2 Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:* Versions r2 sp1 Running on ·Microsoft
Show 18 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_vista:*:sp1:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:*:sp2:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:a:microsoft:xml_core_services:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:xml_core_services:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:*:sp2:*:*:*:*:x64:* | all versions | Running on | Microsoft |
| cpe:2.3:a:microsoft:xml_core_services:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:expression_web:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:a:microsoft:expression_web:2:*:*:*:*:*:*:* | 2 | Running on | Microsoft |
| cpe:2.3:a:microsoft:groove:2007:*:*:*:*:*:*:* | 2007 | Running on | Microsoft |
| cpe:2.3:a:microsoft:office:2003:sp3:*:*:*:*:*:* | 2003 sp3 | Running on | Microsoft |
| cpe:2.3:a:microsoft:office:2007:sp1:*:*:*:*:*:* | 2007 sp1 | Running on | Microsoft |
| cpe:2.3:a:microsoft:office_compatibility_pack:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:a:microsoft:office_compatibility_pack:*:sp1:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:a:microsoft:office_word_viewer:2003:sp3:*:*:*:*:*:* | 2003 sp3 | Running on | Microsoft |
| cpe:2.3:a:microsoft:sharepoint_server:2007:*:*:*:*:*:*:* | 2007 | Running on | Microsoft |
| cpe:2.3:a:microsoft:sharepoint_server:2007:sp1:*:*:*:*:*:* | 2007 sp1 | Running on | Microsoft |
- cpe:2.3:o:microsoft:windows_vista:*:sp1:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:*:sp2:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:a:microsoft:xml_core_services:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:xml_core_services:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:*:sp2:*:*:*:*:x64:* Versions all versions Running on ·Microsoft
- cpe:2.3:a:microsoft:xml_core_services:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:expression_web:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:a:microsoft:expression_web:2:*:*:*:*:*:*:* Versions 2 Running on ·Microsoft
- cpe:2.3:a:microsoft:groove:2007:*:*:*:*:*:*:* Versions 2007 Running on ·Microsoft
- cpe:2.3:a:microsoft:office:2003:sp3:*:*:*:*:*:* Versions 2003 sp3 Running on ·Microsoft
- cpe:2.3:a:microsoft:office:2007:sp1:*:*:*:*:*:* Versions 2007 sp1 Running on ·Microsoft
- cpe:2.3:a:microsoft:office_compatibility_pack:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:a:microsoft:office_compatibility_pack:*:sp1:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:a:microsoft:office_word_viewer:2003:sp3:*:*:*:*:*:* Versions 2003 sp3 Running on ·Microsoft
- cpe:2.3:a:microsoft:sharepoint_server:2007:*:*:*:*:*:*:* Versions 2007 Running on ·Microsoft
- cpe:2.3:a:microsoft:sharepoint_server:2007:sp1:*:*:*:*:*:* Versions 2007 sp1 Running on ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2008-4033
- 2026-10-03 Alias added: GHSA-65h5-7wf2-rcj3
References
Advisory 3
More Microsoft Xml Core Services vulnerabilities
- TI-2012-01669 Microsoft XML Core Services 3.0, 4.0, 5.0, and 6.0 accesses uninitialized memory… KEVCVSS 3.1HIGH 8.8
- TI-2017-00021 Memory corruption in Microsoft XML Core Services KEVCVSS 3.1MEDIUM 6.5
- TI-2006-05530 Unspecified vulnerability in the setRequestHeader method in the XMLHTTP (XML HTTP)… CVSS 2.0HIGH 7.6
- TI-2007-02142 Microsoft XML Core Services (MSXML) 3.0 through 6.0 allows remote attackers to execute… CVSS 2.0HIGH 9.3
- TI-2013-00007 Microsoft XML Core Services (aka MSXML) 4.0, 5.0, and 6.0 does not properly parse XML… CVSS 2.0HIGH 9.3
- TI-2013-00006 Microsoft XML Core Services (aka MSXML) 3.0, 5.0, and 6.0 does not properly parse XML… CVSS 3.1HIGH 8.8
Sources
- CVE-2008-4033 · CVE Program
- CVE-2008-4033 · NVD
- FIRST EPSS
- GHSA-65h5-7wf2-rcj3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences