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CVE-2026-42902— Microsoft PowerToys Elevation of Privilege Vulnerability

CVSS 7.8 · High EPSS 0.29% · P21

Possible ATT&CK Techniques 1AI

T1548.001 · Setuid and Setgid

Affected Version Matrix 1

VendorProductVersion RangeStatus
MicrosoftMicrosoft PowerToys0.1< v0.99.1affected
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I. Basic Information for CVE-2026-42902

Vulnerability Information
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Vulnerability Title
Microsoft PowerToys Elevation of Privilege Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper authorization in Microsoft PowerToys allows an authorized attacker to elevate privileges locally.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft PowerToys 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft PowerToys是美国微软（Microsoft）开源的一套Windows高级生产力工具集。 Microsoft PowerToys存在授权问题漏洞，该漏洞源于授权不当，可能导致授权攻击者本地提升权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
MicrosoftMicrosoft PowerToys 0.1 ~ v0.99.1 -

II. Public POCs for CVE-2026-42902

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III. Intelligence Information for CVE-2026-42902

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Vendor Advisories for CVE-2026-42902 (1)

Same Patch Batch · Microsoft · 2026-06-09 · 200 CVEs total

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CVE-2026-472919.8 CRITICALHTTP.sys Remote Code Execution Vulnerability
CVE-2026-456579.8 CRITICALWindows Kernel Remote Code Execution Vulnerability
CVE-2026-448159.8 CRITICALDHCP Client Service Remote Code Execution Vulnerability
CVE-2026-472819.6 CRITICALVisual Studio Code Elevation of Privilege Vulnerability
CVE-2026-429049.6 CRITICALWindows TCP/IP Elevation of Privilege Vulnerability
CVE-2026-456029.1 CRITICALWindows Dynamic Host Configuration Protocol (DHCP) Tampering Vulnerability
CVE-2026-321938.8 HIGHAzure Kubernetes Service (AKS) Remote Code Execution Vulnerability
CVE-2026-454848.8 HIGHMicrosoft SharePoint Elevation of Privilege Vulnerability
CVE-2026-403718.8 HIGHMicrosoft Dynamics 365 (on-premises) Elevation of Privilege Vulnerability
CVE-2026-476538.8 HIGHRemote Desktop Client Remote Code Execution Vulnerability
CVE-2026-472898.8 HIGHRemote Desktop Client Remote Code Execution Vulnerability
CVE-2026-456488.8 HIGHWindows Active Directory Domain Services Remote Code Execution Vulnerability
CVE-2026-455048.8 HIGHMicrosoft Exchange Server Elevation of Privilege Vulnerability
CVE-2026-429858.8 HIGHRemote Desktop Client Remote Code Execution Vulnerability
CVE-2026-456078.4 HIGHWindows Hyper-V Remote Code Execution Vulnerability
CVE-2026-454728.4 HIGHMicrosoft Office Remote Code Execution Vulnerability
CVE-2026-454638.4 HIGHMicrosoft Office Remote Code Execution Vulnerability
CVE-2026-476358.4 HIGHMicrosoft Outlook and Word Remote Code Execution Vulnerability

Showing top 20 of 200 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same vendor: Microsoft
Same weakness: CWE-285

V. Comments for CVE-2026-42902

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