Microsoft XML Core Services 3.0, 4.0, 5.0, and 6.0 accesses uninitialized memory…
Priority CRITICAL 97Exploited in the wildCWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
Microsoft XML Core Services 3.0, 4.0, 5.0, and 6.0 accesses uninitialized memory locations, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.
Why it matters now
Exploitation Active In CISA KEV since 2022-06-08CISA due date 2022-06-22
EPSS 0.83516 99th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
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 · 29
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:xml_core_services:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:xml_core_services:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:xml_core_services:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_8:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2003:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:r2:*:*:*:*:*:x64:* | r2 | 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:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:xml_core_services:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_8:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2003:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:r2:*:*:*:*:*:x64:* Versions r2 Running on ·Microsoft
Show 19 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:* | r2 sp1 | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:microsoft:xml_core_services:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:expression_web:2:*:*:*:*:*:*:* | 2 | Running on | Microsoft |
| cpe:2.3:a:microsoft:expression_web:sp1:*:*:*:*:*:*:* | sp1 | Running on | Microsoft |
| cpe:2.3:a:microsoft:groove:2007:sp2:*:*:*:*:*:* | 2007 sp2 | Running on | Microsoft |
| cpe:2.3:a:microsoft:groove:2007:sp3:*:*:*:*:*:* | 2007 sp3 | Running on | Microsoft |
| cpe:2.3:a:microsoft:groove_server:2007:sp2:*:*:*:*:*:* | 2007 sp2 | Running on | Microsoft |
| cpe:2.3:a:microsoft:groove_server:2007:sp3:*:*:*:*:*:* | 2007 sp3 | Running on | Microsoft |
| cpe:2.3:a:microsoft:office:2003:sp3:*:*:*:*:*:* | 2003 sp3 | Running on | Microsoft |
| cpe:2.3:a:microsoft:office:2007:sp2:*:*:*:*:*:* | 2007 sp2 | Running on | Microsoft |
| cpe:2.3:a:microsoft:office:2007:sp3:*:*:*:*:*:* | 2007 sp3 | Running on | Microsoft |
| cpe:2.3:a:microsoft:office_compatibility_pack:-:sp2:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:microsoft:office_compatibility_pack:-:sp3:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:microsoft:office_word_viewer:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:microsoft:sharepoint_server:2007:sp2:*:*:*:*:*:* | 2007 sp2 | Running on | Microsoft |
| cpe:2.3:a:microsoft:sharepoint_server:2007:sp3:*:*:*:*:*:* | 2007 sp3 | Running on | Microsoft |
- cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:* Versions r2 sp1 Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:* Versions not specified by NVD 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:2:*:*:*:*:*:*:* Versions 2 Running on ·Microsoft
- cpe:2.3:a:microsoft:expression_web:sp1:*:*:*:*:*:*:* Versions sp1 Running on ·Microsoft
- cpe:2.3:a:microsoft:groove:2007:sp2:*:*:*:*:*:* Versions 2007 sp2 Running on ·Microsoft
- cpe:2.3:a:microsoft:groove:2007:sp3:*:*:*:*:*:* Versions 2007 sp3 Running on ·Microsoft
- cpe:2.3:a:microsoft:groove_server:2007:sp2:*:*:*:*:*:* Versions 2007 sp2 Running on ·Microsoft
- cpe:2.3:a:microsoft:groove_server:2007:sp3:*:*:*:*:*:* Versions 2007 sp3 Running on ·Microsoft
- cpe:2.3:a:microsoft:office:2003:sp3:*:*:*:*:*:* Versions 2003 sp3 Running on ·Microsoft
- cpe:2.3:a:microsoft:office:2007:sp2:*:*:*:*:*:* Versions 2007 sp2 Running on ·Microsoft
- cpe:2.3:a:microsoft:office:2007:sp3:*:*:*:*:*:* Versions 2007 sp3 Running on ·Microsoft
- cpe:2.3:a:microsoft:office_compatibility_pack:-:sp2:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:a:microsoft:office_compatibility_pack:-:sp3:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:a:microsoft:office_word_viewer:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:a:microsoft:sharepoint_server:2007:sp2:*:*:*:*:*:* Versions 2007 sp2 Running on ·Microsoft
- cpe:2.3:a:microsoft:sharepoint_server:2007:sp3:*:*:*:*:*:* Versions 2007 sp3 Running on ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2022-06-08 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2012-1889
- 2026-10-03 Alias added: GHSA-hv88-2gcv-6mjq
References
More Microsoft Xml Core Services vulnerabilities
- 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
- TI-2007-00094 Race condition in the msxml3 module in Microsoft XML Core Services 3.0, as used in… CVSS 2.0HIGH 9.3
Sources
- CVE-2012-1889 · CVE Program
- CVE-2012-1889 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-hv88-2gcv-6mjq · 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