Microsoft Internet Explorer HTML Objects Uninitialized Memory Corruption Vulnerability

2019.05.01
Risk: High
Local: No
Remote: Yes
CWE: CWE-399


CVSS Base Score: 9.3/10
Impact Subscore: 10/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

A remote code execution vulnerability exists in Internet Explorer due to accesses to uninitialized memory in certain cases of DTML constructs. As a result, memory may be corrupted in such a way that an attacker could execute arbitrary code in the context of the logged-on user. An attacker could exploit the vulnerability by constructing a specially prepared Website, when a user views the Web page, the vulnerability could allow remote code execution. An attacker who successfully exploited this vulnerability could gain the same user rights as the logged-on user.


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