Vulnerability record

CVE-2012-1889

Microsoft XML Core Services Memory Corruption Vulnerability

Severity: HighExploitation: Exploitation confirmedCISA KEV
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run XML Core Services, fix it now.

CISA required action: Apply updates per vendor instructions.

US federal civilian agencies must remediate by Jun 22, 2022.

Patch status

Official fix available since

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

Description

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.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
ProductVendorAffected versionsSource
XML Core ServicesMicrosoft3.0; 4.0; 6.0; 5.0KEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2012-1889 scored CVSS 8.8: Microsoft XML Core Services, Microsoft XML Core Services Memory Corruption Vulnerability

    CISA lists this as exploited in the wild. Unpatched XML Core Services systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

  2. Patch releasedUpdateKEV

    Patch released for CVE-2012-1889: Microsoft XML Core Services, Microsoft XML Core Services Memory Corruption Vulnerability

    An official fix is now available for Microsoft XML Core Services. This vulnerability is being exploited, so apply it promptly.

    Basis: NVD patch reference

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

  • nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2012-1889
  • technet.microsoft.com http://technet.microsoft.com/security/advisory/2719615
  • us-cert.gov http://www.us-cert.gov/cas/techalerts/TA12-174A.html
  • us-cert.gov http://www.us-cert.gov/cas/techalerts/TA12-192A.html
  • docs.microsoft.com https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-043
  • oval.cisecurity.org https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15195
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-1889