This vulnerability (CVE-2025-62461) involves a buffer over-read condition in the Windows Projected File System Filter Driver component of Microsoft Windows 10 Version 1809. An authorized attacker with local access can exploit this flaw to elevate their privileges. The vulnerability is classified under CWE-126 (Buffer Over-read). The CVSS v3.1 base score is 7.8, reflecting local attack vector with low complexity, requiring privileges but no user interaction, and resulting in high impact on confidentiality, integrity, and availability. Microsoft has released a patch to fix this vulnerability.

Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher-level access to the system. This could lead to unauthorized access to sensitive information, modification of system data, or disruption of system availability. The vulnerability affects Windows 10 Version 1809 (build 10.0.17763.0). There are no known exploits in the wild at this time.

A patch is available from Microsoft to remediate this vulnerability. It is recommended to apply the official security update for Windows 10 Version 1809 as soon as possible to mitigate the risk of privilege escalation. No additional vendor advisory content was provided, so check Microsoft's official security update channels for the exact patch details and deployment instructions.