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CVE-2025-21185— Microsoft Edge (Chromium-based) Elevation of Privilege 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存在访问控制错误漏洞，该漏洞源于存在特权提升。

CVSS 6.5 · Medium EPSS 0.82% · P56

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 1

VendorProduct Version RangeStatus
Microsoft Microsoft Edge (Chromium-based) 1.0.0.0< 132.0.2957.115 affected
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I. Basic Information for CVE-2025-21185

Vulnerability Information
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Vulnerability Title
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Edge 访问控制错误漏洞
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存在访问控制错误漏洞，该漏洞源于存在特权提升。
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 (Chromium-based) 1.0.0.0 ~ 132.0.2957.115 -

II. Public POCs for CVE-2025-21185

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III. Intelligence Information for CVE-2025-21185

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Vendor Advisories for CVE-2025-21185 (1)

Same Patch Batch · Microsoft · 2025-01-17 · 3 CVEs total

CVE-2025-21325 7.8 HIGH Windows Secure Kernel Mode Elevation of Privilege Vulnerability
CVE-2025-21399 7.4 HIGH Microsoft Edge (Chromium-based) Update Elevation of Privilege Vulnerability

IV. Related Vulnerabilities

Same product: Microsoft Edge (Chromium-based)
Same vendor: Microsoft
Same weakness: CWE-284

V. Comments for CVE-2025-21185

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