---
id: "CVE-2024-38213"
kind: "vulnerability"
aliases: ["CVE-2024-38213"]
title: "Windows Mark of the Web Security Feature Bypass Vulnerability"
severity: "medium"
cvss: 6.5
epss: null
exploited: true
status: "open"
category: "infrastructure"
products: [{"name": "Microsoft Windows", "fixed": [], "affected": "", "ecosystem": "vendor"}, {"name": "microsoft windows 10 1507", "fixed": ["10.0.10240.20680"], "affected": "< 10.0.10240.20680", "ecosystem": "vendor"}, {"name": "microsoft windows 10 1607", "fixed": ["10.0.14393.7070"], "affected": "< 10.0.14393.7070", "ecosystem": "vendor"}, {"name": "microsoft windows 10 1809", "fixed": ["10.0.17763.5936"], "affected": "< 10.0.17763.5936", "ecosystem": "vendor"}, {"name": "microsoft windows 10 21h2", "fixed": ["10.0.19044.4529"], "affected": "< 10.0.19044.4529", "ecosystem": "vendor"}, {"name": "microsoft windows 10 22h2", "fixed": ["10.0.19045.4529"], "affected": "< 10.0.19045.4529", "ecosystem": "vendor"}, {"name": "microsoft windows 11 21h2", "fixed": ["10.0.22000.3019"], "affected": "< 10.0.22000.3019", "ecosystem": "vendor"}, {"name": "microsoft windows 11 22h2", "fixed": ["10.0.22621.3737"], "affected": "< 10.0.22621.3737", "ecosystem": "vendor"}, {"name": "microsoft windows 11 23h2", "fixed": ["10.0.22631.3737"], "affected": "< 10.0.22631.3737", "ecosystem": "vendor"}, {"name": "microsoft windows server 2012", "fixed": ["6.2.9200.24919"], "affected": "< 6.2.9200.24919", "ecosystem": "vendor"}, {"name": "microsoft windows server 2012", "fixed": [], "affected": "= r2", "ecosystem": "vendor"}, {"name": "microsoft windows server 2016", "fixed": ["10.0.14393.7070"], "affected": "< 10.0.14393.7070", "ecosystem": "vendor"}, {"name": "microsoft windows server 2019", "fixed": ["10.0.17763.5936"], "affected": "< 10.0.17763.5936", "ecosystem": "vendor"}, {"name": "microsoft windows server 2022", "fixed": ["10.0.20348.2522"], "affected": "< 10.0.20348.2522", "ecosystem": "vendor"}, {"name": "microsoft windows server 2022 23h2", "fixed": ["10.0.25398.950"], "affected": "< 10.0.25398.950", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["exploited", "infrastructure", "windows"]
not_affected_if: []
published_at: "2024-08-13T00:00:00+00:00"
first_seen_at: "2026-10-23T19:11:51+00:00"
updated_at: "2026-10-23T22:29:05+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2024-38213", "first_seen_at": "2026-10-23T19:11:51+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-38213", "first_seen_at": "2026-10-23T22:29:05+00:00"}]
---

# Windows Mark of the Web Security Feature Bypass Vulnerability

Microsoft Windows SmartScreen has a flaw that lets a malicious file bypass its warning prompts. An attacker who gets a user to open such a file can run software that SmartScreen would otherwise have flagged.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Microsoft Windows affected ? fixed ?
- vendor:microsoft windows 10 1507 affected < 10.0.10240.20680 fixed 10.0.10240.20680
- vendor:microsoft windows 10 1607 affected < 10.0.14393.7070 fixed 10.0.14393.7070
- vendor:microsoft windows 10 1809 affected < 10.0.17763.5936 fixed 10.0.17763.5936
- vendor:microsoft windows 10 21h2 affected < 10.0.19044.4529 fixed 10.0.19044.4529
- vendor:microsoft windows 10 22h2 affected < 10.0.19045.4529 fixed 10.0.19045.4529
- vendor:microsoft windows 11 21h2 affected < 10.0.22000.3019 fixed 10.0.22000.3019
- vendor:microsoft windows 11 22h2 affected < 10.0.22621.3737 fixed 10.0.22621.3737
- vendor:microsoft windows 11 23h2 affected < 10.0.22631.3737 fixed 10.0.22631.3737
- vendor:microsoft windows server 2012 affected < 6.2.9200.24919 fixed 6.2.9200.24919
- vendor:microsoft windows server 2012 affected = r2 fixed ?
- vendor:microsoft windows server 2016 affected < 10.0.14393.7070 fixed 10.0.14393.7070
- vendor:microsoft windows server 2019 affected < 10.0.17763.5936 fixed 10.0.17763.5936
- vendor:microsoft windows server 2022 affected < 10.0.20348.2522 fixed 10.0.20348.2522
- vendor:microsoft windows server 2022 23h2 affected < 10.0.25398.950 fixed 10.0.25398.950

## Fix

Apply the Microsoft security update for CVE-2024-38213 per vendor instructions; CISA says to discontinue use of the product if mitigations are unavailable.

## Timeline

- 2026-10-23T19:11:51+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2024-38213
- 2026-10-23T22:29:05+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2024-38213

## From the sources

Microsoft Windows SmartScreen contains a security feature bypass vulnerability that allows an attacker to bypass the SmartScreen user experience via a malicious file.

CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_