CVE-2012-1889Microsoft 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) vi…
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It affects microsoft xml_core_services. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Jun 8, 2022; federal agencies had to remediate by Jun 22, 2022. Treat that date as your deadline.
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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
- 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-787
- Known exploited
- Added to CISA KEV Jun 8, 2022; federal remediation due Jun 22, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 83.52% (percentile 100)
- Assigned by
- microsoft
- NVD analysis
- Analyzed
- Record last updated
- Oct 22, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
microsoft xml_core_services microsoft:xml_core_services | 3.0; 4.0; 6.0; 5.0 | NVD |
References
- http://www.us-cert.gov/cas/techalerts/TA12-192A.htmlthird-party-advisory, x-refsource-cert, us-government-resource
- http://technet.microsoft.com/security/advisory/2719615x-refsource-confirm, vendor-advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15195vdb-entry, signature, x-refsource-oval, broken-link
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-043vendor-advisory, x-refsource-ms, patch
- http://www.us-cert.gov/cas/techalerts/TA12-174A.htmlthird-party-advisory, x-refsource-cert, us-government-resource
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-1889us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.