Microsoft Edge PDF Remote Code Execution Vulnerability

A remote code execution vulnerability exists when Microsoft Edge PDF Reader improperly handles objects in memory. The vulnerability could corrupt memory in such a way that enables an attacker to execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. To exploit the vulnerability, in a web-based attack scenario, an attacker could host a website that contains malicious PDF content. In addition, compromised websites and websites that accept or host user-provided content could contain specially crafted PDF content that could exploit the vulnerability. However, in all cases an attacker would have no way to force a user to view the attacker-controlled content. Instead, an attacker would have to convince a user to take action. For example, an attacker could trick a user into clicking a link that takes the user to the attacker's site. The security update addresses the vulnerability by modifying how Microsoft Edge PDF Reader handles objects in memory.

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

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Microsoft Edge 缓冲区错误漏洞

Microsoft Edge是美国微软（Microsoft）公司的一款Windows 10之后版本系统附带的Web浏览器。 Microsoft Edge PDF Reader中存在远程代码执行漏洞，该漏洞源于程序没有正确处理内存中的对象。攻击者可借助特制PDF内容利用该漏洞在当前用户的上下文中执行任意代码，损坏内存。以下产品及版本受到影响： Microsoft Edge版本。

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