CVE-2026-49167

medium Microsoft
CVSS v3 Base Score
4.7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
Attack Characteristics
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Confidentiality
None
Integrity
None
Availability
High
Published: July 14, 2026 (54 days ago)
Last Modified: July 15, 2026
Vendor: Microsoft
Source: MITRE

Description

Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

CWE

CWE-416

Affected Products

Microsoft Windows 10 Version 1809Microsoft Windows 10 Version 21H2Microsoft Windows 10 Version 22H2Microsoft Windows 11 Version 24H2Microsoft Windows 11 Version 25H2Microsoft Windows 11 version 26H1Microsoft Windows Server 2019Microsoft Windows Server 2019 (Server Core installation)Microsoft Windows Server 2022Microsoft Windows Server 2025

References

🔗 msrc.microsoft.com