CVE-2018-0780 in Edge
Summary
by MITRE
Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows an attacker to obtain information to further compromise the user's system, due to how the scripting engine handles objects in memory, aka "Scripting Engine Information Disclosure Vulnerability". This CVE ID is unique from CVE-2018-0767 and CVE-2018-0800.
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Analysis
by VulDB Data Team • 09/05/2025
The vulnerability identified as CVE-2018-0780 represents a critical information disclosure flaw within Microsoft Edge's scripting engine that affects multiple Windows 10 versions and Windows Server 2016. This vulnerability operates at the intersection of memory management and scripting engine execution, creating a pathway for attackers to extract sensitive information that could facilitate further compromise of affected systems. The issue specifically manifests in how the Chakra scripting engine handles object memory management, creating potential for information leakage that could be leveraged by malicious actors to bypass security protections.
The technical exploitation of this vulnerability occurs through improper handling of objects within the scripting engine's memory space, where the engine fails to adequately sanitize or validate object references during execution. This memory handling flaw allows for information disclosure that can reveal memory addresses, object layouts, or other sensitive data structures that would normally be protected from direct access. The vulnerability's classification under CWE-200 (Information Exposure) indicates that it provides attackers with unauthorized access to information that could be used to craft more sophisticated attacks against the target system. The specific nature of the flaw enables attackers to potentially obtain data that could aid in bypassing security mechanisms such as address space layout randomization or other memory protection features.
From an operational impact perspective, this vulnerability creates significant risk for organizations running affected Windows versions, as it provides attackers with the means to gather intelligence that could be used to develop more effective exploitation techniques. The information disclosure could enable adversaries to better understand the target system's memory layout, potentially facilitating subsequent exploitation attempts through techniques such as heap spraying or return-oriented programming attacks. The vulnerability's presence across multiple Windows 10 releases and Windows Server 2016 indicates a widespread impact that affects a substantial portion of the Windows ecosystem. Attackers could use the leaked information to bypass security mitigations such as data execution prevention or stack canaries, making this vulnerability particularly dangerous in the context of modern exploit development.
Organizations should implement immediate mitigation strategies including deploying the relevant Microsoft security updates that address the scripting engine vulnerability, ensuring all systems are patched to prevent exploitation. Network segmentation and monitoring should be enhanced to detect potential exploitation attempts, particularly focusing on unusual memory access patterns or information disclosure activities. The vulnerability's relationship to the broader ATT&CK framework demonstrates its potential for enabling subsequent stages of attack such as privilege escalation or lateral movement, as the leaked information could be used to craft more effective attacks against the compromised system. Additionally, browser hardening measures including disabling unnecessary scripting features and implementing strict content security policies can help reduce the attack surface while awaiting full patch deployment.