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CVE-2021-42308— 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。以下产品和版本受到影响：Microsoft Edge (Chromium-based)。

CVSS 3.1 · Low EPSS 1.26% · P67

Possible ATT&CK Techniques 1 AI

T1068.003

Affected Version Matrix 1

VendorProduct Version RangeStatus
Microsoft Microsoft Edge (Chromium-based) 1.0.0.0< 96.0 1954.29 affected
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I. Basic Information for CVE-2021-42308

Vulnerability Information
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Vulnerability Title
Microsoft Edge (Chromium-based) Spoofing Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Microsoft Edge (Chromium-based) Spoofing Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
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。以下产品和版本受到影响：Microsoft Edge (Chromium-based)。
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 ~ 96.0 1954.29 -

II. Public POCs for CVE-2021-42308

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III. Intelligence Information for CVE-2021-42308

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Vendor Advisories for CVE-2021-42308 (2)

Same Patch Batch · Microsoft · 2021-11-24 · 6 CVEs total

CVE-2021-42306 8.1 HIGH Azure Active Directory Information Disclosure Vulnerability
CVE-2021-43211 5.5 MEDIUM Windows 10 Update Assistant Elevation of Privilege Vulnerability
CVE-2021-42297 5.0 MEDIUM Windows 10 Update Assistant Elevation of Privilege Vulnerability
CVE-2021-43221 4.2 MEDIUM Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
CVE-2021-43220 3.1 LOW Microsoft Edge for iOS Spoofing Vulnerability

IV. Related Vulnerabilities

Same product: Microsoft Edge (Chromium-based)
Same vendor: Microsoft

V. Comments for CVE-2021-42308

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