CVE-2024-21447
Published: 09 April 2024
Summary
CVE-2024-21447 is a high-severity Link Following (CWE-59) vulnerability in Microsoft Windows 10 21H2. Its CVSS base score is 7.8 (High).
Operationally, ranked in the top 5.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
Windows Authentication contains an elevation of privilege vulnerability tracked as CVE-2024-21447 that affects the Windows authentication component. The flaw carries a CVSS 3.1 base score of 7.8 and is associated with CWE-59; successful exploitation allows an attacker to obtain full control over the affected system.
An attacker with local access and a low-privileged account can exploit the issue without user interaction to elevate privileges to SYSTEM level, resulting in complete compromise of confidentiality, integrity, and availability on the host.
Microsoft has published an advisory for CVE-2024-21447 that directs administrators to apply the corresponding security update available through Windows Update and the Microsoft Update Catalog. The EPSS score has reached a peak of 0.1963 with a current value of 0.1602, indicating moderate and relatively stable exploitation interest since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-19156
Vulnerability details
Windows Authentication Elevation of Privilege Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.