CVE-2014-1778 in Internet Explorer
Summary
by MITRE
Microsoft Internet Explorer 8 through 11 allows remote attackers to execute arbitrary web script with increased privileges via unspecified vectors, aka "Internet Explorer Elevation of Privilege Vulnerability," a different vulnerability than CVE-2014-2777.
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Analysis
by VulDB Data Team • 09/01/2025
The vulnerability identified as CVE-2014-1778 represents a critical elevation of privilege flaw affecting Microsoft Internet Explorer versions 8 through 11. This security weakness enables remote attackers to execute arbitrary web scripts with elevated privileges, potentially compromising the integrity and confidentiality of affected systems. The vulnerability operates through unspecified vectors that exploit the browser's privilege management mechanisms, allowing malicious actors to bypass normal security boundaries and gain unauthorized access to system resources. The flaw specifically targets the browser's handling of web content and privilege escalation processes, creating opportunities for attackers to execute malicious code with higher privileges than intended.
This vulnerability falls under the broader category of privilege escalation attacks and aligns with CWE-269, which addresses improper privilege management in software systems. The technical implementation involves exploiting weaknesses in how Internet Explorer manages security contexts and privilege levels when processing web content, particularly in scenarios involving cross-domain scripting and object manipulation. Attackers can leverage this vulnerability to execute malicious scripts that operate with elevated privileges, potentially gaining access to sensitive data, system resources, or the ability to install malicious software. The unspecified nature of the attack vectors suggests multiple potential exploitation paths within the browser's security architecture, including memory corruption issues, improper validation of web content, or flawed privilege boundary enforcement mechanisms.
The operational impact of CVE-2014-1778 is significant, as it allows attackers to perform actions that would normally be restricted to administrators or system-level processes. This includes accessing restricted files, modifying system configurations, or executing commands with elevated privileges that could lead to complete system compromise. The vulnerability affects a wide range of Internet Explorer versions, making it particularly dangerous as organizations with legacy systems or those unable to immediately patch may remain exposed. Security professionals should note that this vulnerability operates in the context of web-based attacks, making it particularly relevant to the ATT&CK framework's privilege escalation techniques, specifically those involving exploitation of software vulnerabilities and execution of malicious code with elevated privileges.
Organizations should implement immediate mitigations including applying the relevant Microsoft security updates, implementing browser security policies that restrict script execution, and deploying network monitoring solutions to detect suspicious activity. The vulnerability demonstrates the importance of maintaining up-to-date security patches and implementing defense-in-depth strategies that include web application firewalls, content filtering solutions, and regular security assessments. Additional protective measures include configuring Internet Explorer security settings to restrict active content execution, implementing strict browser hardening practices, and establishing incident response procedures that can quickly identify and contain exploitation attempts. Security teams should also consider implementing user education programs to reduce the risk of social engineering attacks that could leverage this vulnerability.