CVE-2012-1889
KEVMicrosoft XML Core Services Memory Corruption Vulnerability
Description
Microsoft XML Core Services contains a memory corruption vulnerability which could allow for remote code execution.
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HPublishedJun 13, 2012
Last modifiedJun 16, 2026
Added to KEVJun 8, 2022
Remediation dueJun 22, 2022
References
- technet.microsoft.com/security/advisory/2719615Vendor Advisory
- us-cert.gov/cas/techalerts/TA12-174A.htmlThird Party AdvisoryUS Government Resource
- us-cert.gov/cas/techalerts/TA12-192A.htmlThird Party AdvisoryUS Government Resource
- docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-043PatchVendor Advisory
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15195Broken Link
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-1889US Government Resource
0 recent articles mention this CVE
82
Risk assessment · Critical
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1588 days
- CVSS
- 8.8 HIGH
- EPSS (30-day exploit probability)
- 83.5% · top 1% of all CVEs
- Weakness
- CWE-787
- Attack vector
- Network, remotely reachable
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.