CVE-2012-1889

Microsoft XML Core Services Memory Corruption

8.8 HIGHActively exploited (CISA KEV)EPSS 83.5%

Published13 Jun 2012
Added to CISA KEV8 Jun 2022
Remediation due22 Jun 2022

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.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionRequired

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Microsoft Xml Core Services3.0 · 4.0 · 5.0 · 6.0

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

Patch & vendor advisories

References

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-043PatchVendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15195Broken Link
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-1889US Government Resource
http://technet.microsoft.com/security/advisory/2719615Vendor Advisory
http://www.us-cert.gov/cas/techalerts/TA12-174A.htmlThird Party AdvisoryUS Government Resource
http://www.us-cert.gov/cas/techalerts/TA12-192A.htmlThird Party AdvisoryUS Government Resource

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2012-1889 being actively exploited?

Yes. CVE-2012-1889 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 8 Jun 2022.

How severe is CVE-2012-1889?

CVE-2012-1889 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 83.5% probability of exploitation.

Which products are affected by CVE-2012-1889?

Affected products include Microsoft Xml Core Services.

How do I fix CVE-2012-1889?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2012-1889 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.