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CVE-2025-26643— Microsoft Edge (Chromium-based) Spoofing Vulnerability

Quick assessment

Affected
Microsoft Microsoft Edge (Chromium-based)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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存在安全漏洞，该漏洞源于未经授权的攻击者可能通过网络进行欺骗。

CVSS 5.4 · Medium EPSS 0.71% · P52

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-26643

Vulnerability Information
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Vulnerability Title
Microsoft Edge (Chromium-based) Spoofing Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
The UI performs the wrong action in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
UI执行错误动作
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Edge 安全漏洞
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存在安全漏洞，该漏洞源于未经授权的攻击者可能通过网络进行欺骗。
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

Vendor Product Affected Versions CPE Subscribe
Microsoft Microsoft Edge (Chromium-based) 1.0.0.0 ~ 134.0.3124.51 -

II. Public POCs for CVE-2025-26643

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III. Intelligence Information for CVE-2025-26643

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Vendor Advisories for CVE-2025-26643 (1)

IV. Related Vulnerabilities

Same product: Microsoft Edge (Chromium-based)
Same vendor: Microsoft
Same weakness: CWE-449

V. Comments for CVE-2025-26643

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