PT-2025-50164 · Microsoft · Windows Projected File System+1

Published 2025-12-09 · Updated 2025-12-17 · CVE-2025-62464

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 versions prior to December 2025

Description A buffer over-read issue exists in Windows Projected File System. Successful exploitation could allow an authorized attacker to elevate privileges locally. The vulnerability allows attackers to affect the system. The issue involves an out-of-bounds write in memory within the Projected File System component.

Recommendations Update your systems to the version released in December 2025 or later.

Fix

Buffer Over-read

Weakness Enumeration

CWE-126

Related Identifiers

BDU:2025-15489

CVE-2025-62464

Affected Products

Windows

Windows Projected File System

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2025-62464 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-62464 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62464 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-62464 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-15489 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-62464 · Vendor Advisory
• https://twitter.com/CVEnew/status/1998781353433706703 · Twitter Post
• https://twitter.com/_patchpoint_/status/2001191144143905082 · Twitter Post