SmartScreen security feature bypass in Microsoft Windows



Published: 2023-03-14
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-24880
CWE-ID CWE-254
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
Subscribe 		Windows
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Security features bypass

EUVDB-ID: #VU73507

Risk: High

CVSSv3.1:

CVE-ID: CVE-2023-24880

CWE-ID:

Exploit availability:

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 - 11 22H2

Windows Server: 2016 - 2022 20H2

Fixed software versions

CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-24880


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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