PT-2025-50161 · Microsoft · Windows Projected File System Fs Filter Driver+1

Published 2025-12-09 · Updated 2025-12-10 · CVE-2025-62461

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Windows Projected File System Filter Driver (affected versions not specified)

Description A flaw exists in the Windows Projected File System Filter Driver that could allow a local attacker to gain elevated privileges. The issue involves a buffer over-read. This could enable an authorized attacker to elevate privileges locally.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Over-read

Weakness Enumeration

CWE-126

Related Identifiers

BDU:2025-15503

CVE-2025-62461

Affected Products

Windows

Windows Projected File System Fs Filter Driver

References · 7

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62461 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-62461 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-62461 · Security Note
• https://osv.dev/vulnerability/CVE-2025-62461 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-15503 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-62461 · Security Note
• https://twitter.com/CVEnew/status/1998781356701106345 · Twitter Post