Zero-day vulnerability in Windows

Security features bypass

Vulnerability details

Advisory: SB2023031425 - SmartScreen security feature bypass in Microsoft Windows

Vulnerable component: Windows

CVE-ID: CVE-2023-24880

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/E:H/RL:O/RC:C

CWE-ID: CWE-254 - Security Features


The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to incorrect implementation of the Windows SmartScreen Security Feature. A remote attacker can trick the victim to open a specially crafted file and bypass the Mark of the Web (MOTW) defenses.

Note, the vulnerability is being actively exploited in the wild.

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