Mar 2023: Windows SmartScreen Security Feature Bypass Vulnerability
CVE-2023-24880 Published on March 14, 2023

Windows SmartScreen Security Feature Bypass Vulnerability
Windows SmartScreen Security Feature Bypass Vulnerability

Vendor Advisory NVD

Known Exploited Vulnerability

This Microsoft Windows SmartScreen Security Feature Bypass Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Microsoft Windows SmartScreen contains a security feature bypass vulnerability that could allow an attacker to evade Mark of the Web (MOTW) defenses via a specially crafted malicious file.

The following remediation steps are recommended / required by April 4, 2023: Apply updates per vendor instructions.

Weakness Type

What is an AuthZ Vulnerability?

The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.

CVE-2023-24880 has been classified to as an AuthZ vulnerability or weakness.

Products Associated with CVE-2023-24880

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Microsoft Windows Server 2016

Microsoft Windows Server 2019

Microsoft Windows Server 2022

Microsoft Windows 11

Microsoft Windows 10

Affected Versions

Microsoft Windows 10 Version 1809:

Version 10.0.17763.0 and below 10.0.17763.4131 is affected.

Microsoft Windows 10 Version 1809:

Version 10.0.0 and below 10.0.17763.4131 is affected.

Microsoft Windows Server 2019:

Version 10.0.17763.0 and below 10.0.17763.4131 is affected.

Microsoft Windows Server 2019 (Server Core installation):

Version 10.0.17763.0 and below 10.0.17763.4131 is affected.

Microsoft Windows Server 2022:

Version 10.0.20348.0 and below 10.0.20348.1607 is affected.

Microsoft Windows 10 Version 20H2:

Version 10.0.0 and below 10.0.19042.2728 is affected.

Microsoft Windows 11 version 21H2:

Version 10.0.0 and below 10.0.22000.1696 is affected.

Microsoft Windows 10 Version 21H2:

Version 10.0.19043.0 and below 10.0.19044.2728 is affected.

Microsoft Windows 11 version 22H2:

Version 10.0.22621.0 and below 10.0.22621.1413 is affected.

Microsoft Windows 10 Version 22H2:

Version 10.0.19045.0 and below 10.0.19045.2728 is affected.

Microsoft Windows 10 Version 1607:

Version 10.0.14393.0 and below 10.0.14393.5786 is affected.

Microsoft Windows Server 2016:

Version 10.0.14393.0 and below 10.0.14393.5786 is affected.

Microsoft Windows Server 2016 (Server Core installation):

Version 10.0.14393.0 and below 10.0.14393.5786 is affected.

Exploit Probability

EPSS

73.31%

Percentile

98.78%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.