CVE-2012-1889
CVE-2012-1889 is a high-severity vulnerability in Microsoft Xml Core Services with a CVSS 3.x base score of 8.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-06-08). The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 9.3
- EPSS exploit prediction: 84% (100th percentile)
- Actively exploited: Yes — listed in CISA KEV (added 2022-06-08)
- EU (EUVD) id: EUVD-2012-1899
- EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-06-08)
- Weakness: CWE-787
- Affected product: Microsoft Xml Core Services
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2012-1889?
- 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.
- How severe is CVE-2012-1889?
- CVE-2012-1889 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2012-1889 being actively exploited?
- Yes. CVE-2012-1889 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-06-08, which means active exploitation has been confirmed. It should be prioritised for remediation.
- What products are affected by CVE-2012-1889?
- CVE-2012-1889 primarily affects Microsoft Xml Core Services. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2012-1889?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
- Does CVE-2012-1889 have an EU (EUVD) identifier?
- Yes. CVE-2012-1889 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2012-1899. It is also flagged as exploited in the EUVD (since 2022-06-08).
- When was CVE-2012-1889 published?
- CVE-2012-1889 was published on 2012-06-13 and last updated on 2026-06-16.
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
Affected products (4)
- cpe:2.3:a:microsoft:xml_core_services:3.0:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:xml_core_services:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:xml_core_services:6.0:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:xml_core_services:5.0:*:*:*:*:*:*:*
More vulnerabilities in Microsoft Xml Core Services
- CVE-2013-0007 — Critical (CVSS 9.3): Microsoft XML Core Services (aka MSXML) 4.0, 5.0, and 6.0 does not properly parse XML content, which allows remote…
- CVE-2010-2561 — Critical (CVSS 9.3): Microsoft XML Core Services (aka MSXML) 3.0 does not properly handle HTTP responses, which allows remote attackers to…
- CVE-2007-2223 — Critical (CVSS 9.3): Microsoft XML Core Services (MSXML) 3.0 through 6.0 allows remote attackers to execute arbitrary code via the…
- CVE-2007-0099 — Critical (CVSS 9.3): Race condition in the msxml3 module in Microsoft XML Core Services 3.0, as used in Internet Explorer 6 and other…
- CVE-2016-0147 — High (CVSS 8.8): Microsoft XML Core Services 3.0 allows remote attackers to execute arbitrary code via a crafted web site, aka "MSXML…
- CVE-2013-0006 — High (CVSS 8.8): Microsoft XML Core Services (aka MSXML) 3.0, 5.0, and 6.0 does not properly parse XML content, which allows remote…
All CVEs affecting Microsoft Xml Core Services →
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