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CVE-2024-21388— Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Quick assessment

Affected
Microsoft Microsoft Edge (Chromium-based)
Exploitation
Public or AI PoC available; prioritize validation
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。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。

CVSS 6.5 · Medium EPSS 31.95% · P98

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2024-21388

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:H/PR:N/UI:N/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
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。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。
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 ~ 121.0.2277.98 -

II. Public POCs for CVE-2024-21388

# POC Description Source Link Shenlong Link
1 This Python script exploits a vulnerability (CVE-2024-21388) in Microsoft Edge, allowing silent installation of browser extensions with elevated privileges via a private API. https://github.com/d0rb/CVE-2024-21388 POC Details
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III. Intelligence Information for CVE-2024-21388

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Vendor Advisories for CVE-2024-21388 (1)

IV. Related Vulnerabilities

Same product: Microsoft Edge (Chromium-based)
Same vendor: Microsoft
Same weakness: CWE-20

V. Comments for CVE-2024-21388

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