CVE-2026-54124 HIGH

CVE-2026-54124: Windows Terminal Remote Code Execution Vulnerability

Vendor Microsoft
Product Windows 10 Version 21H2
Weakness CWE-190
Published July 14, 2026
Last update July 24, 2026

CVSS base score

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

CVSS vector

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

What the vulnerability does

01Description

Integer overflow or wraparound in Windows Terminal allows an unauthorized attacker to execute code locally.

Key dates

02Disclosure timeline

July 14, 2026 CVE published
July 24, 2026 Record updated