CVE-2012-1889
Published: June 8, 2022
Official Description
Microsoft XML Core Services contains a memory corruption vulnerability which could allow for remote code execution.
CISA KEV Advisory
Microsoft XML Core Services Memory Corruption Vulnerability
Microsoft XML Core Services contains a memory corruption vulnerability which could allow for remote code execution.
Apply updates per vendor instructions.
Risk Analysis
This memory corruption vulnerability in Microsoft XML Core Services could allow for remote code execution. Rated as HIGH severity with a very high EPSS score, this indicates a significant likelihood of exploitation. Its presence in CISA's KEV confirms it has been actively exploited.
This vulnerability has been actively exploited in the wild and is part of CISA's KEV, indicating confirmed real-world attacks. The flaw allows for remote code execution.
It is critical to apply all available security updates for Microsoft XML Core Services. Ensure systems are regularly patched to mitigate such memory corruption issues.
Technical Analysis
CVE-2012-1889 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2012-1889 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2012-1889 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1