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CVE-2025-29795— Microsoft Edge (Chromium-based) Update Elevation of Privilege Vulnerability

Quick assessment

Affected
Microsoft Microsoft Edge Update Setup
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存在后置链接漏洞，该漏洞源于文件访问前的不当链接解析，可能导致本地权限提升。

CVSS 7.8 · High EPSS 0.40% · P32

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-29795

Vulnerability Information
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Vulnerability Title
Microsoft Edge (Chromium-based) Update Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper link resolution before file access ('link following') in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate privileges locally.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Edge 后置链接漏洞
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存在后置链接漏洞，该漏洞源于文件访问前的不当链接解析，可能导致本地权限提升。
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 Update Setup 1.0.0.0 ~ 1.3.195.45 -

II. Public POCs for CVE-2025-29795

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III. Intelligence Information for CVE-2025-29795

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Vendor Advisories for CVE-2025-29795 (1)

IV. Related Vulnerabilities

Same product: Microsoft Edge Update Setup
Same vendor: Microsoft
Same weakness: CWE-59

V. Comments for CVE-2025-29795

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