CVE-2026-124225

Windows PowerShell Remote Code Execution Vulnerability

CVE-2026-124225 is fixed in 28 products on 1 platform, first by KB5131087, released November 10, 2026. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.8
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
n/a

<p>Improper control of generation of code ('code injection') in Windows PowerShell allows an unauthorized attacker to execute code locally.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1607 for 32-bit Systems KB5131291 Nov 10, 2026
Windows 10 Version 1607 for x64-based Systems KB5131291 Nov 10, 2026
Windows 10 Version 1809 for 32-bit Systems KB5131085 Nov 10, 2026
Windows 10 Version 1809 for x64-based Systems KB5131085 Nov 10, 2026
Windows 10 Version 21H2 for 32-bit Systems KB5131096 Nov 10, 2026
Windows 10 Version 21H2 for ARM64-based Systems KB5131096 Nov 10, 2026
Windows 10 Version 21H2 for x64-based Systems KB5131096 Nov 10, 2026
Windows 10 Version 22H2 for 32-bit Systems KB5131096 Nov 10, 2026
Windows 10 Version 22H2 for ARM64-based Systems KB5131096 Nov 10, 2026
Windows 10 Version 22H2 for x64-based Systems KB5131096 Nov 10, 2026
Windows 11 Version 23H2 for ARM64-based Systems 22631.7711 KB5131087 Nov 10, 2026
Windows 11 Version 23H2 for x64-based Systems 22631.7711 KB5131087 Nov 10, 2026
Windows 11 Version 24H2 for ARM64-based Systems KB5132043 Nov 10, 2026
Windows 11 Version 24H2 for ARM64-based Systems KB5135385 Nov 10, 2026
Windows 11 Version 24H2 for x64-based Systems KB5132043 Nov 10, 2026
Windows 11 Version 24H2 for x64-based Systems KB5135385 Nov 10, 2026
Windows 11 Version 25H2 for ARM64-based Systems KB5132043 Nov 10, 2026
Windows 11 Version 25H2 for ARM64-based Systems KB5135385 Nov 10, 2026
Windows 11 Version 25H2 for x64-based Systems KB5132043 Nov 10, 2026
Windows 11 Version 25H2 for x64-based Systems KB5135385 Nov 10, 2026
Windows 11 Version 26H1 for ARM64-based Systems 28000.3501 KB5132059 Nov 10, 2026
Windows 11 Version 26H2 for ARM64-based Systems KB5132043 Nov 10, 2026
Windows 11 Version 26H2 for ARM64-based Systems KB5135385 Nov 10, 2026
Windows 11 Version 26H2 for x64-based Systems KB5132043 Nov 10, 2026
Windows 11 Version 26H2 for x64-based Systems KB5135385 Nov 10, 2026
Windows 11 version 26H1 for x64-based Systems 28000.3501 KB5132059 Nov 10, 2026
Windows Server 2016 KB5131291 Nov 10, 2026
Windows Server 2016 (Server Core installation) KB5131291 Nov 10, 2026
Windows Server 2019 KB5131085 Nov 10, 2026
Windows Server 2019 (Server Core installation) KB5131085 Nov 10, 2026
Windows Server 2022 20348.5870 KB5131090 Nov 10, 2026
Windows Server 2022 (Server Core installation) 20348.5870 KB5131090 Nov 10, 2026
Windows Server 2025 KB5131077 Nov 10, 2026
Windows Server 2025 KB5135386 Nov 10, 2026
Windows Server 2025 (Server Core installation) KB5131077 Nov 10, 2026
Windows Server 2025 (Server Core installation) KB5135386 Nov 10, 2026

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