Is CVE-2024-21412 in the CISA KEV catalog?

Yes. CVE-2024-21412 is on the CISA Known Exploited Vulnerabilities list, added 2024-02-13, and has known ransomware campaign use.

What is the CVSS severity of CVE-2024-21412?

CVE-2024-21412 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2024-21412?

CVE-2024-21412 has an EPSS score of 95.44% (100th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-21412?

Install KB5034768 for Windows 10 Version 1809. Fixes are available for 11 affected products.

CVE & CISA-KEV Catalog

CVE-2024-21412

HIGHCISA KEVEPSS 100th pctl

8.1

CVSS v3

NVD

Description

Internet Shortcut Files Security Feature Bypass Vulnerability

CWE-693Protection Mechanism Failure

How to fix

Remediation Available

Windows 10 Version 1809Windows

Install:KB5034768Microsoft

Windows 10 Version 21H2Windows

Install:KB5034763Microsoft

Windows 10 Version 22H2Windows

Install:KB5034763Microsoft

Windows 11 Version 22H2Windows

Install:KB5034765Microsoft

Windows 11 Version 23H2Windows

Install:KB5034765Microsoft

Windows 11 version 21H2Windows

Install:KB5034766Microsoft

Windows Server 2019Windows

Install:KB5034768Microsoft

Windows Server 2019 (Server Core installation)Windows

Install:KB5034768Microsoft

Windows Server 2022Windows

Install:KB5034770Microsoft

Windows Server 2022 (Server Core installation)Windows

Install:KB5034770Microsoft

Windows Server 2022, 23H2 Edition (Server Core installation)Windows

Install:KB5034769Microsoft

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Exploit Intelligence

95.44%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Microsoft Windows Internet Shortcut Files Security Feature Bypass Vulnerability

Microsoft Windows Internet Shortcut Files contains an unspecified vulnerability that allows for a security feature bypass.

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Remediation due: 2024-03-05

Associated with ransomware campaigns

References

Patch1

msrc.microsoft.com

Government Resource1

cisa.gov

Related Vulnerabilities

Other CWE-693 (Protection Mechanism Failure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2013-2465	Critical	9.8	99%	KEV + Ransom	-
CVE-2013-0431	Medium	5.3	90%	KEV + Ransom	-
CVE-2025-40536	High	8.1	82%	KEV	Fix
CVE-2019-1003030	Critical	9.9	76%	KEV	-
CVE-2025-0411	High	7.0	67%	KEV	Fix
CVE-2026-32202	High	4.3	64%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-28.