CVE-2023-24880
Microsoft Windows SmartScreen Security Feature Bypass Vulnerability
CVSS
—
No CVSS
EPSS
78.0%
p100
KEV
YES
Mar 14, 2023
Exploit Today
80
0-100
Published: — · Last modified: —
78.0%EPSS · 30 days78.2%
2026-09-172026-10-15
Product
Microsoft / Windows
Vulnerability
Microsoft Windows SmartScreen Security Feature Bypass Vulnerability
Added to KEV
Mar 14, 2023
Remediate by
Apr 4, 2023
Known ransomware use
Yes
Summary description
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.
Required action
Apply updates per vendor instructions.
Notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-24880; https://nvd.nist.gov/vuln/detail/CVE-2023-24880
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