CVE-2026-42828

high Microsoft
CVSS v3 Base Score
7.8
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
Attack Characteristics
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: June 9, 2026 (30 days ago)
Last Modified: June 10, 2026
Vendor: Microsoft
Source: MITRE

Description

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

CWE

CWE-126

Affected Products

Microsoft Windows 10 Version 1809Microsoft Windows 10 Version 21H2Microsoft Windows 10 Version 22H2Microsoft Windows 11 version 23H2Microsoft Windows 11 Version 23H2Microsoft Windows 11 Version 24H2Microsoft Windows 11 Version 25H2Microsoft Windows 11 version 26H1Microsoft Windows Server 2019Microsoft Windows Server 2019 (Server Core installation)

References

🔗 msrc.microsoft.com