CVE-2026-42828 HIGH

CVE-2026-42828: Windows Projected File System Elevation of Privilege Vulnerability

Vendor Microsoft
Product Windows 10 Version 1809
Weakness CWE-126
Published June 9, 2026
Last update June 15, 2026

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Buffer over-read in Windows Projected File System Filter Driver allows an authorized attacker to elevate privileges locally.

Key dates

02Disclosure timeline

June 9, 2026 CVE published
June 15, 2026 Record updated