CVE-2012-1889VulnerabilityPublished 06/08/2022Updated 10/24/2026

CVE-2012-1889: Microsoft XML Core Services Memory Corruption Vulnerability

Affects Microsoft XML Core ServicesSource CISA KEV

Severity

High

No CVSS score published yet

Exploitation: Actively exploited – in CISA KEV since 06/08/2022
KEV deadline: 06/22/2022
EPSS: 83.5% chance of exploitation in 30 days – higher than 99% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

nvd.nist.gov/vuln/detail/CVE-2012-1889 (opens in a new tab)

Description

Microsoft XML Core Services contains a memory corruption vulnerability that could allow remote code execution. This vulnerability has been exploited in the wild. No specific affected versions or patch information is provided in the available data.

Summary

CVE-2012-1889 is a memory corruption vulnerability in Microsoft XML Core Services. Successful exploitation could enable remote code execution. The vulnerability has been observed to be exploited in the wild, indicating active threat. No explicit patch or remediation details are provided in the source data.

Impact

Exploitation of this vulnerability could allow an attacker to execute arbitrary code remotely on affected systems, potentially leading to full system compromise. The presence of known exploits in the wild increases the urgency of addressing this issue.

Mitigation

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until official fixes are confirmed and applied, limit exposure by restricting access to vulnerable services where possible.

Weaknesses

CWE-119Buffer Errors (Memory Bounds) (opens in a new tab)

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 12:04:08 UTC

Weaknesses

References

Related threats