Horizon Alert
Summary of the vulnerability and why it matters
A type confusion vulnerability exists in the Microsoft Scripting Engine. This flaw allows an unauthorized attacker to execute code over a network. Organizations utilizing Microsoft Edge in Internet Explorer Mode are particularly susceptible. The exploitation of this vulnerability can lead to the execution of arbitrary code, potentially resulting in significant business risk.
- Vulnerable: Microsoft Scripting Engine
- Flaw: Incompatible type resource access
- Impact: Remote code execution
Attack Path
How an attacker could exploit the issue
A type confusion vulnerability in the Microsoft Scripting Engine can allow an attacker to execute code remotely. This occurs when an attacker crafts a special URL that, when accessed by a user, exploits the vulnerability. The attacker can then gain control of the affected system, potentially leading to further compromise of organizational data and systems.
- A specially crafted URL is exposed.
- An attacker triggers the vulnerability.
- Remote code execution is achieved.
Live Threat
Current exploitation, exposure, and threat context
A type confusion vulnerability in the Microsoft Scripting Engine could permit an unauthorized attacker to execute code over a network. This could lead to the compromise of systems and data. The CISA Known Exploited Vulnerabilities catalog lists this CVE, indicating it is actively exploited in the wild.
- Likely attacker skill level: Unknown
- Required access or conditions: Network access with user interaction
- Business risk or urgency: High
Priority actions
Operational Fix
Recommended remediation, mitigation, and detection steps
A type confusion vulnerability in the Microsoft Scripting Engine presents a risk of unauthorized code execution over a network. This could allow attackers to impact organizational systems and data if exploited. Organizations should prioritize identifying all potentially affected Microsoft Windows assets.
- Identify all affected Windows assets.
- Reduce exposure or isolate risk.
- Apply vendor fixes, verify implementation, and monitor systems.
