Horizon Alert
Summary of the vulnerability and why it matters
The TabStrip ActiveX control within Microsoft Office and related products contains a flaw that could permit unauthorized code execution. A specially crafted document or webpage could trigger system state corruption, potentially leading to attackers executing arbitrary code. This could result in significant business risk if exploited.
- Vulnerable ActiveX control component.
- Flaw allows arbitrary code execution.
- Impact includes system compromise.
Attack Path
How an attacker could exploit the issue
This vulnerability allows remote attackers to execute arbitrary code through crafted documents or web pages. The attack targets the TabStrip ActiveX control within Microsoft's Common Controls. Successful exploitation corrupts system state, potentially leading to unauthorized code execution.
- Exposure condition: Network accessible documents or web pages.
- Attacker starting point: Remote.
- Trigger and result: User interaction, arbitrary code execution.
Live Threat
Current exploitation, exposure, and threat context
This vulnerability allows remote attackers to execute arbitrary code by presenting a crafted document or web page. The exploitation requires user interaction, such as opening a malicious document or visiting a compromised website, which then triggers system-state corruption. The potential damage includes unauthorized code execution and system compromise. Organizations should treat this as a high-priority concern due to the severity of the potential impact.
- Likely attacker skill: Moderate
- Required access: User interaction
- Business risk: High, urgent action needed
Priority actions
Operational Fix
Recommended remediation, mitigation, and detection steps
This vulnerability in Microsoft Office and related products may allow attackers to execute arbitrary code through crafted documents or web pages. This could lead to system compromise and potential data loss.
- Identify exposed assets.
- Reduce exposure or isolate risk.
- Fix, verify, and monitor.
