Microsoft Windows Mark of the Web (MOTW) Protection Mechanism Failure Vulnerability

2024-09-1000:00:00

CISA

www.cisa.gov

124

microsoft windows

mark of the web

security feature

bypass

vulnerability

attacker

defenses

protected view

microsoft office

CVSS3

5.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

LOW

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

AI Score

6.7

Confidence

High

EPSS

0.003

Percentile

68.3%

JSON

Microsoft Windows Mark of the Web (MOTW) contains a protection mechanism failure vulnerability that allows an attacker to bypass MOTW-based defenses. This can result in a limited loss of integrity and availability of security features such as Protected View in Microsoft Office, which rely on MOTW tagging.