Cloud Vulnerability DB
An open project to list all known cloud vulnerabilities and Cloud Service Provider security issues
Vulnerability DatabaseCVE-2025-27478
CVE-2025-27478:
vulnerability analysis and mitigation
Overview
A heap-based buffer overflow vulnerability was discovered in Windows Local Security Authority (LSA), identified as CVE-2025-27478. The vulnerability was disclosed on April 8, 2025, and affects Windows systems running the LSA component. This security issue was reported by Microsoft Corporation (NIST NVD, CVE MITRE).
Technical details
The vulnerability is classified as a heap-based buffer overflow (CWE-122) in the Windows Local Security Authority (LSA) component. Microsoft has assigned a CVSS v3.1 base score of 7.0 (HIGH) with the following vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H, indicating local access vector, high attack complexity, low privileges required, no user interaction needed, and high impacts on confidentiality, integrity, and availability (NIST NVD).
Impact
The vulnerability allows an authorized attacker to elevate privileges locally on affected Windows systems, potentially gaining higher levels of system access and control (NIST NVD, CVE MITRE).
Additional resources
Source: This report was generated using AI
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