On 2024-02-13, CISA added CVE-2024-21412 (Microsoft Windows) to its Known Exploited Vulnerabilities (KEV) Catalog [2]. The vulnerability is listed in the catalog as "Microsoft Windows Internet Shortcut Files Security Feature Bypass Vulnerability" [2]. CISA requires remediation in accordance with vendor mitigation instructions; see the original text in the body for specific requirements [2].
Backfill: this event became public on Feb 13, 2024 and we added it on Nov 10, 2026. It is not a new event.
CISA Adds Microsoft Windows Vulnerability CVE-2024-21412 to Known Exploited Vulnerabilities Catalog
1 min read
- Disclosed
- Feb 13, 2024
- Published
- Nov 10, 2026
- Last updated
- Nov 8, 2026
- CVSS basis
- Our assessment
- 99.4%, higher than 100% of CVEs
- Exploitation and patch status
- ExploitedKEV
- Attack vector
- Vulnerability status
- Actor type
- Motivation
On this page
30-second summary
What happened
Who is affected
Industries mainly affected: Government, Cross-industry
What to do nowOur advice
CISA requires remediation in accordance with vendor mitigation instructions; see the original text in the body for specific requirements [2]
Timeline
Technical details
CISA KEV Listing Record
On 2024-02-13, CISA added CVE-2024-21412 to the catalog for Microsoft Windows [2].
Original Technical Description
Microsoft Windows Internet Shortcut Files contains an unspecified vulnerability that allows for a security feature bypass. [2]
Official Requirements
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. [2]
Individual Vulnerability Record
The U.S. National Vulnerability Database (NVD) provides an independent vulnerability record and description for CVE-2024-21412. [1]
References
Official / primary3
- [1]
“Internet Shortcut Files Security Feature Bypass Vulnerability”
- [2]
This site aggregates public information and is not security consulting advice. Test remediation steps before applying.