CVE-2023-28266
Published: 11 April 2023
Summary
CVE-2023-28266 is a medium-severity Buffer Over-read (CWE-126) vulnerability in Microsoft Windows Server 2008. Its CVSS base score is 5.5 (Medium).
Operationally, ranked in the top 15.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
The vulnerability is an information disclosure flaw in the Windows Common Log File System Driver, tracked as CVE-2023-28266 with a CVSS v3.1 score of 5.5. It stems from improper handling that can expose sensitive data and is associated with CWE-126.
A local attacker with low privileges can exploit the issue without user interaction to read arbitrary information from the affected driver. The attack requires local access and does not impact integrity or availability.
Microsoft has published guidance for the vulnerability in its Security Response Center update guide, including details on available patches and mitigations for supported Windows versions. The associated EPSS score reached a peak of 0.0633 before receding to its current value of 0.0228.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-31973
Vulnerability details
Windows Common Log File System Driver Information Disclosure 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.