Horizon Alert
Summary of the vulnerability and why it matters
Microsoft Internet Explorer versions 8 through 10 are susceptible to a memory corruption flaw. This vulnerability can allow remote attackers to execute arbitrary code or cause a denial of service by directing users to a specially crafted website. The impact on an organization could involve the compromise of systems and data, leading to potential business disruption.
- Vulnerable component: Internet Explorer
- Core weakness: Memory corruption
- Main business impact: System compromise and data loss
Attack Path
How an attacker could exploit the issue
This vulnerability allows an attacker to impact an organization through its web browser. An attacker can craft a malicious website to exploit this vulnerability. When an employee visits the crafted website, the attacker may gain control of the system or disrupt its operation.
- Publicly accessible websites.
- Attacker directs user to malicious site.
- Attacker achieves code execution.
Live Threat
Current exploitation, exposure, and threat context
Microsoft Internet Explorer versions 8 through 10 present a risk of arbitrary code execution or denial of service due to memory corruption vulnerabilities. Attackers can exploit this by directing users to a crafted website. This could lead to significant business risk by compromising systems and data.
- Attacker skill level: Low
- Required access or conditions: Network access, user interaction
- Business risk or urgency: High, urgent remediation
Priority actions
Operational Fix
Recommended remediation, mitigation, and detection steps
Microsoft Internet Explorer versions 8 through 10 contain a memory corruption vulnerability. This could enable remote attackers to execute arbitrary code or cause a denial of service when users visit a crafted website. The vulnerability is present in Internet Explorer 8, 9, and 10.
- Find affected Internet Explorer assets.
- Isolate or remove affected systems.
- Validate vendor fixes and monitor.
