Is CVE-2024-21412 actively exploited?

Yes. KEV Intelligence tracks CVE-2024-21412 as a known exploited vulnerability. Confidence is confirmed.

What exploitation activity has KEV Intelligence observed?

KEV Intelligence has not yet recorded sensor-observed exploitation attempts for CVE-2024-21412. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

CVE-2024-21412 affects Microsoft Windows 10 Version 1809 and 11 other products. KEV Intelligence lists 12 version rows; examples include 10.0.0 to < 10.0.17763.5458, 10.0.17763.0 to < 10.0.17763.5458, and 10.0.19043.0 to < 10.0.19044.4046.

Yes. CVE-2024-21412 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

CVE-2024-21412 Exploited in the Wild — Windows 10 Version 1809, Windows 10 Version 21H2, Windows 10 Version 22H2, Windows 11 version 21H2, Windows 11 version 22H2, Windows 11 version 22H3, Windows 11 Version 23H2, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows Server 2022, 23H2 Edition (Server Core installation)

Q: What is CVE-2024-21412?

CVE-2024-21412 is an unauthenticated Internet Shortcut Files Security Feature Bypass Vulnerability affecting Microsoft Windows 10 Version 1809 and 11 other products.

Q: How should organizations remediate it?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Q: Is it in CISA KEV?

Yes. CVE-2024-21412 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2024-21412 is an unauthenticated Internet Shortcut Files Security Feature Bypass Vulnerability affecting Microsoft Windows 10 Version 1809 and 11 other products.

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.

Who is affected?

Microsoft / Windows 10 Version 1809 affected before 10.0.17763.5458.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Internet Shortcut Files Security Feature Bypass Vulnerability

Vendor Product Affected Status

Microsoft Windows 10 Version 1809 Before 10.0.17763.5458 Affected

Microsoft Windows 10 Version 21H2 Before 10.0.19044.4046 Affected

Microsoft Windows 10 Version 22H2 Before 10.0.19045.4046 Affected

Microsoft Windows 11 version 21H2 Before 10.0.22000.2777 Affected

Microsoft Windows 11 version 22H2 Before 10.0.22621.3155 Affected

Microsoft Windows 11 version 22H3 Before 10.0.22631.3155 Affected

Microsoft Windows 11 Version 23H2 Before 10.0.22631.3155 Affected

Microsoft Windows Server 2019 Before 10.0.17763.5458 Affected

Microsoft Windows Server 2019 (Server Core installation) Before 10.0.17763.5458 Affected

Microsoft Windows Server 2022 Before 10.0.20348.2322 Affected

Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) Before 10.0.25398.709 Affected

View vendor advisory

Published: 13 Feb 2024
Exploitation Reported: 13 Feb 2024
Attack vector: Remote
Complexity: Low
Privileges: None
User interaction: Required

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2024-21412
Internet Shortcut Files Security Feature Bypass Vulnerability msrc.microsoft.com · Vendor Advisory https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21412

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CISA

Recorded 13 Feb 2024

Independent exploitation attestation added to the KEV Intelligence record.

Used in malware

CISA

Recorded 02 Jun 2026

Malware families have been linked to exploitation of this CVE.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

Learn about Pro API access

Source	Added
CISA First	2024-02-13 00:00 UTC
CVE	2026-08-10 15:32 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets: 0
User-Agents: 0

Raw values available in Pro and Enterprise.

Scanner coverage

Nessus template detected 02 Jun 2025.

View Nessus template

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner	Reference	Detected
Nessus	https://www.tenable.com/plugins/nessus/190484	02 Jun 2025

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

8.1 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:F/RL:O/RC:C

EPSS

95.4%

Weaknesses

Protection Mechanism Failure CWE-693

Timeline

From disclosure to observed exploitation

10 Aug 2026
KEV confirmed by CVE

Exploitation attested by an external source
02 Jun 2026
First public exploitation report

Exploit observed in malware
02 Jun 2025
Nessus plugin available

Scanner coverage available
13 Feb 2024
CVE published

Vulnerability disclosed publicly
13 Feb 2024
Added to CISA KEV

Listed in the CISA Known Exploited Vulnerabilities catalog
08 Dec 2023
CVE ID reserved

Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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Evidence confidence and provenance
First-party sensor telemetry
PoC and scanner references
Affected versions and enrichment
Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2024-21412

Free JSON includes basic KEV fields

{
  "cve_id": "CVE-2024-21412",
  "confidence": "Confirmed",
  "cvss_score": 8.1,
  "cvss_estimated": false,
  "epss_score": 0.95443,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

CVE-2024-21412

What security teams need to know first

Internet Shortcut Files Security Feature Bypass Vulnerability

Tags

CVE References

Why KEV Intelligence marks this CVE as exploited

Exploited in the wild

Used in malware

Known exploited vulnerability sources

Operational artifacts and observed signals

Observed signals

Scanner coverage

Virtual patch status

Scanner Artifacts

Severity, weaknesses, and research context

Weaknesses

From disclosure to observed exploitation

KEV confirmed by CVE

First public exploitation report

Nessus plugin available

CVE published

Added to CISA KEV

CVE ID reserved

Automate this intelligence

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