#Windows Mark of the Web (MOTW)

**What kind of security feature could be bypassed by successfully exploiting this vulnerability?** An attacker who successfully exploited this vulnerability could bypass the SmartScreen user experience.

**How could an attacker exploit the vulnerability?** To exploit this vulnerability, an attacker could host a file on an attacker-controlled server, then convince a targeted user to download and open the file. This could allow the attacker to interfere with the Mark of the Web functionality. Please see Additional information about Mark of the Web for further clarification

**What kind of security feature could be bypassed by successfully exploiting this vulnerability?** An attacker who successfully exploited this vulnerability could bypass the SmartScreen user experience.

**According to the CVSS metric, successful exploitation of this vulnerability could lead to some loss of integrity (I:L) and some loss of availability (A:L). What does that mean for this vulnerability?** An attacker can craft a malicious file that would evade Mark of the Web (MOTW) defenses, resulting in a limited loss of integrity and availability of security features such as Protected View in Microsoft Office, which rely on MOTW tagging.

**How could an attacker exploit the vulnerability?** To exploit this vulnerability, an attacker could host a file on an attacker-controlled server, then convince a targeted user to download and open the file. This could allow the attacker to interfere with the Mark of the Web functionality. Please see Additional information about Mark of the Web for further clarification

**How could an attacker exploit the vulnerability?** * In a web-based attack scenario, an attacker could host a malicious website that is designed to exploit the security feature bypass. * In an email or instant message attack scenario, the attacker could send the targeted user a specially crafted .url file that is designed to exploit the bypass. * Compromised websites or websites that accept or host user-provided content could contain specially crafted content to exploit the security feature bypass. In all cases an attacker would have no way to force a user to view attacker-controlled content. Instead, an attacker would have to convince a user to take action. For example, an attacker could entice a user to either click a link that directs the user to the attacker's site or send a malicious attachment. Please see Additional information about Mark of the Web for further clarification

**How could an attacker exploit the vulnerability?** * In a web-based attack scenario, an attacker could host a malicious website that is designed to exploit the security feature bypass. * In an email or instant message attack scenario, the attacker could send the targeted user a specially crafted .url file that is designed to exploit the bypass. * Compromised websites or websites that accept or host user-provided content could contain specially crafted content to exploit the security feature bypass. In all cases an attacker would have no way to force a user to view attacker-controlled content. Instead, an attacker would have to convince a user to take action. For example, an attacker could entice a user to either click a link that directs the user to the attacker's site or send a malicious attachment. Please see Additional information about Mark of the Web for further clarification