Live › vulnerability › CVE-2023-24880
Go to dashboardMicrosoft Windows SmartScreen has a security feature bypass that lets a specially crafted malicious file evade Mark of the Web warnings. CISA lists it as actively exploited, with ransomware use tagged in the catalog.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply updates per vendor instructions.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Microsoft Windows | vendor | – | – |
| microsoft windows 10 1607 | vendor | < 10.0.14393.5786 | 10.0.14393.5786 |
| microsoft windows 10 1809 | vendor | < 10.0.17763.4131 | 10.0.17763.4131 |
| microsoft windows 10 20h2 | vendor | < 10.0.19042.2728 | 10.0.19042.2728 |
| microsoft windows 10 21h2 | vendor | < 10.0.19044.2728 | 10.0.19044.2728 |
| microsoft windows 10 22h2 | vendor | < 10.0.19045.2728 | 10.0.19045.2728 |
| microsoft windows 11 21h2 | vendor | < 10.0.22000.1696 | 10.0.22000.1696 |
| microsoft windows 11 22h2 | vendor | < 10.0.22000.1413 | 10.0.22000.1413 |
| microsoft windows server 2016 | vendor | < 10.0.14393.5786 | 10.0.14393.5786 |
| microsoft windows server 2019 | vendor | < 10.0.17763.4131 | 10.0.17763.4131 |
| microsoft windows server 2022 | vendor | < 10.0.20348.1602 | 10.0.20348.1602 |
Unknown from the sources.
Apply the Microsoft Windows updates per vendor instructions; the specific patched build is not in the sources.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
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.
CISA required action: Apply updates per vendor instructions.
This page as .md · .json · in your agent: get_signal("CVE-2023-24880")
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