CVE-2024-21412
High 8.1 Exploited in the wild (KEV) Used in ransomware campaigns
Confirmed active exploitation — CISA KEV catalog
- Name
- Microsoft Windows Internet Shortcut Files Security Feature Bypass Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Description
Internet Shortcut Files Security Feature Bypass Vulnerability
Metrics
- CVSS 3.1
-
8.1 (HIGH)
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - EPSS — exploit probability
- 99% (percentile: 100) as of 2 November 2026
- CWE
- CWE-693
Affected products
microsoft: windows 10 1809; microsoft: windows 10 21h2; microsoft: windows 10 22h2; microsoft: windows 11 21h2; microsoft: windows 11 22h2; microsoft: windows 11 23h2; microsoft: windows server 2019; microsoft: windows server 2022; microsoft: windows server 2022 23h2
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21412 PatchVendor Advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21412 PatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024… US Government Resource