CVE-2024-6768
Published: 12 August 2024
Summary
CVE-2024-6768 is a medium-severity Improper Validation of Specified Quantity in Input (CWE-1284) vulnerability in Vicarius (inferred from references). Its CVSS base score is 6.8 (Medium).
Operationally, ranked in the top 4.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2024-6768 is a denial-of-service vulnerability in the CLFS.sys component of Microsoft Windows 10, Windows 11, Windows Server 2016, Windows Server 2019, and Windows Server 2022. The flaw permits an authenticated local user to trigger a call to KeBugCheckEx, resulting in a Blue Screen of Death. It carries a CVSS 4.0 score of 6.8 reflecting local attack vector, low attack complexity, and low privileges required with high availability impact.
An attacker with low-privilege authenticated access on an affected system can exploit the issue to crash the host, producing a denial-of-service condition without needing user interaction or elevated rights.
Public references from Fortra and Vicarius describe detection and mitigation scripts for the vulnerability but do not detail official Microsoft patches.
The EPSS score rose from a low baseline to a recorded peak of 0.2401 with a current value of 0.1929, indicating emerging exploitation interest after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-47801
Vulnerability details
A Denial of Service in CLFS.sys in Microsoft Windows 10, Windows 11, Windows Server 2016, Windows Server 2019, and Windows Server 2022 allows a malicious authenticated low-privilege user to cause a Blue Screen of Death via a forced call to…
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the KeBugCheckEx function.
- 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.