CVE-2025-21355— Microsoft Bing Remote Code Execution Vulnerability
Quick assessment
Affected
Microsoft Microsoft Bing
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 Bing是美国微软（Microsoft）公司的一款网络搜索引擎。 Microsoft Bing存在访问控制错误漏洞，该漏洞源于关键功能缺少身份验证，允许未经授权的攻击者通过网络执行代码。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-21355
Vulnerability Information
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Vulnerability Title
Microsoft Bing Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Missing Authentication for Critical Function in Microsoft Bing allows an unauthorized attacker to execute code over a network
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Bing 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Bing是美国微软（Microsoft）公司的一款网络搜索引擎。 Microsoft Bing存在访问控制错误漏洞，该漏洞源于关键功能缺少身份验证，允许未经授权的攻击者通过网络执行代码。
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 Bing | - | - |
|
II. Public POCs for CVE-2025-21355
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-21355 (1)
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V. Comments for CVE-2025-21355
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