CVE DATABASE / CVE-2012-1889
CVE-2012-1889
Microsoft XML Core Services Memory Corruption Vulnerability
CVSS 8.8 · HIGH
⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2022-06-08.
Federal remediation due 2022-06-22.
Required action: Apply updates per vendor instructions.
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.
CVSS 3.1 breakdown
| Base score | 8.8 (HIGH) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Microsoft xml core servicesMicrosoft windows 7Microsoft windows 8Microsoft windows server 2003Microsoft windows server 2008Microsoft windows server 2012Microsoft windows vistaMicrosoft windows xpMicrosoft expression webMicrosoft grooveMicrosoft groove serverMicrosoft officeMicrosoft office compatibility packMicrosoft office word viewerMicrosoft sharepoint server
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References
- http://technet.microsoft.com/security/advisory/2719615
- http://www.us-cert.gov/cas/techalerts/TA12-174A.html
- http://www.us-cert.gov/cas/techalerts/TA12-192A.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-043
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15195
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-1889
Data: NIST NVD + CISA KEV. NVD last modified 2026-04-22. Always verify against the vendor advisory before acting.