CVE-2024-21412
KEVRansomware UseMicrosoft Windows Internet Shortcut Files Security Feature Bypass Vulnerability
Description
Microsoft Windows Internet Shortcut Files contains an unspecified vulnerability that allows for a security feature bypass.
Internet Shortcut Files Security Feature Bypass Vulnerability
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:NPublishedFeb 13, 2024
Last modifiedAug 10, 2026
Added to KEVFeb 13, 2024
Remediation dueMar 5, 2024
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21412PatchVendor Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-21412US Government Resource
0 recent articles mention this CVE
90
Risk assessment · Critical
Actively exploited and used by ransomware crews. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 967 days
- Ransomware
- Used in known ransomware campaigns
- CVSS
- 8.1 HIGH
- EPSS (30-day exploit probability)
- 99.4% · top 1% of all CVEs
- Weakness
- CWE-693
- Attack vector
- Network, remotely reachable
Recommended actions
- 1.Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
- 5.Verify offline/immutable backups and segment the affected systems. This flaw is used for ransomware initial access.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.