CVE-2014-2755 in Internet Explorer
Summary
by MITRE
Microsoft Internet Explorer 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vulnerability," a different vulnerability than CVE-2014-1769, CVE-2014-1782, CVE-2014-1785, CVE-2014-2753, CVE-2014-2760, CVE-2014-2761, CVE-2014-2772, and CVE-2014-2776.
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Analysis
by VulDB Data Team • 08/27/2025
This vulnerability represents a critical memory corruption flaw in Microsoft Internet Explorer 11 that enables remote code execution or denial of service attacks through maliciously crafted web content. The vulnerability stems from improper handling of memory operations within the browser's rendering engine, specifically affecting how Internet Explorer processes certain web elements and objects. Attackers can exploit this weakness by hosting malicious content on compromised websites or through social engineering tactics that诱导 users to visit harmful web pages. The flaw manifests when the browser encounters specially crafted HTML elements, JavaScript code, or multimedia content that triggers unexpected memory behavior during processing. This particular vulnerability is distinct from several other related issues identified in the same timeframe, indicating it operates through different attack vectors or memory handling mechanisms within the browser's architecture.
The technical implementation of this memory corruption vulnerability involves the manipulation of memory pointers or buffers in ways that cause the browser to execute unintended code sequences or crash entirely. When Internet Explorer 11 processes malicious web content, the flawed memory management routines can lead to heap corruption, stack overflow conditions, or arbitrary code execution within the browser's memory space. The vulnerability typically requires user interaction through visiting a malicious website, making it particularly dangerous in phishing campaigns or drive-by download scenarios. Attackers can leverage this flaw to gain unauthorized access to systems, escalate privileges, or deploy additional malware payloads. The memory corruption occurs at the level of the browser's JavaScript engine or rendering components, where improper validation of input data leads to unpredictable behavior in memory allocation and deallocation processes.
The operational impact of CVE-2014-2755 extends beyond simple denial of service conditions to potentially enable full system compromise. Successful exploitation can result in complete loss of system integrity, allowing attackers to execute arbitrary commands with the privileges of the compromised user. This vulnerability affects organizations using Internet Explorer 11 as their primary web browser, making it particularly dangerous in enterprise environments where browser security is paramount. The attack surface is broad since any website that loads malicious content can potentially exploit this vulnerability, including legitimate sites that have been compromised through various attack vectors. Organizations may experience significant operational disruption from both the immediate security risks and the need for emergency patches or browser upgrades to address the flaw.
Mitigation strategies for this vulnerability require immediate implementation of security patches from Microsoft, as the company released specific updates to address the memory corruption issues in Internet Explorer 11. Organizations should prioritize updating their systems to the latest security releases and consider implementing browser hardening techniques such as disabling unnecessary browser features, using enhanced security configurations, and deploying web application firewalls. Network administrators should monitor for suspicious web traffic and implement sandboxing techniques to isolate potentially malicious content. The vulnerability aligns with several ATT&CK framework techniques including initial access through malicious web content and privilege escalation through browser exploitation. Organizations should also consider transitioning away from Internet Explorer to more secure modern browsers that have better memory protection mechanisms and more frequent security updates. Compliance with industry standards such as those outlined in CWE categories related to memory safety and buffer overflows is essential for preventing similar vulnerabilities in future implementations.