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CVE-2026-42838— Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

CVSS 5.4 · Medium EPSS 0.05% · P15

Affected Version Matrix 1

VendorProductVersion RangeStatus
MicrosoftMicrosoft Edge (Chromium-based)1.0.0.0< 148.0.3967.55affected
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I. Basic Information for CVE-2026-42838

Vulnerability Information
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Vulnerability Title
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper neutralization of special elements in output used by a downstream component ('injection') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Edge 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Edge是美国微软（Microsoft）公司的一款Windows 10之后版本系统附带的Web浏览器。 Microsoft Edge存在注入漏洞。攻击者利用该漏洞可以提升权限。
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 Edge (Chromium-based) 1.0.0.0 ~ 148.0.3967.55 -

II. Public POCs for CVE-2026-42838

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III. Intelligence Information for CVE-2026-42838

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Same Patch Batch · Microsoft · 2026-05-12 · 125 CVEs total

CVE-2026-428989.9 CRITICALMicrosoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
CVE-2026-428239.9 CRITICALAzure Logic Apps Elevation of Privilege Vulnerability
CVE-2026-410899.8 CRITICALWindows Netlogon Remote Code Execution Vulnerability
CVE-2026-410969.8 CRITICALWindows DNS Client Remote Code Execution Vulnerability
CVE-2026-403799.3 CRITICALAzure Entra ID Spoofing Vulnerability
CVE-2026-404029.3 CRITICALWindows Hyper-V Elevation of Privilege Vulnerability
CVE-2026-428339.1 CRITICALMicrosoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
CVE-2026-331179.1 CRITICALAzure SDK for Java Security Feature Bypass Vulnerability
CVE-2026-411039.1 CRITICALMicrosoft SSO Plugin for Jira & Confluence Elevation of Privilege Vulnerability
CVE-2026-416138.8 HIGHVisual Studio Code Elevation of Privilege Vulnerability
CVE-2026-403578.8 HIGHMicrosoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-354368.8 HIGHMicrosoft Office Click-To-Run Elevation of Privilege Vulnerability
CVE-2026-411098.8 HIGHGitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability
CVE-2026-410948.8 HIGHMicrosoft Data Formulator Remote Code Execution Vulnerability
CVE-2026-404208.8 HIGHMicrosoft Office Click-To-Run Elevation of Privilege Vulnerability
CVE-2026-404038.8 HIGHWindows Graphics Component Remote Code Execution Vulnerability
CVE-2026-403708.8 HIGHSQL Server Remote Code Execution Vulnerability
CVE-2026-410868.8 HIGHWindows Admin Center in Azure Portal Elevation of Privilege Vulnerability
CVE-2026-354398.8 HIGHMicrosoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-331128.8 HIGHMicrosoft SharePoint Server Remote Code Execution Vulnerability

Showing top 20 of 125 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Microsoft Edge (Chromium-based)
Same vendor: Microsoft
Same weakness: CWE-74

V. Comments for CVE-2026-42838

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