CVE-2026-33819— Microsoft Bing Remote Code Execution Vulnerability
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I. Basic Information for CVE-2026-33819
Vulnerability Information
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Vulnerability Title
Microsoft Bing Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Deserialization of untrusted data in Microsoft Bing allows an unauthorized attacker to execute code over a network.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
可信数据的反序列化
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Bing 代码问题漏洞
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存在代码问题漏洞，该漏洞源于反序列化不可信数据，可能导致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)
Shenlong Deep Dive — AI Deep Analysis
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microsoft | Microsoft Bing | - | - |
II. Public POCs for CVE-2026-33819
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Microsoft · 2026-04-23 · 7 CVEs total
| CVE-2026-35431 | 10.0 CRITICAL | Microsoft Entra ID Entitlement Management Spoofing Vulnerability |
| CVE-2026-24303 | 9.6 CRITICAL | Microsoft Partner Center Elevation of Privilege Vulnerability |
| CVE-2026-33102 | 9.3 CRITICAL | Microsoft 365 Copilot Elevation of Privilege Vulnerability |
| CVE-2026-32210 | 9.3 CRITICAL | Microsoft Dynamics 365 (online) Spoofing Vulnerability |
| CVE-2026-26150 | 8.6 HIGH | Microsoft Purview eDiscovery Elevation of Privilege Vulnerability |
| CVE-2026-32172 | 8.0 HIGH | Microsoft Power Apps Remote Code Execution Vulnerability |
IV. Related Vulnerabilities
Same vendor: Microsoft
- CVE-2026-42826
Azure DevOps Information Disclosure Vulnerability - CVE-2026-35428
Azure Cloud Shell Spoofing Vulnerability - CVE-2026-35435
Azure AI Foundry Elevation of Privilege Vulnerability - CVE-2026-34327
Microsoft Partner Center Spoofing Vulnerability - CVE-2026-33844
Azure Managed Instance for Apache Cassandra Remote Code Exec
Same weakness: CWE-502
- CVE-2026-44126
Insecure deserialization - CVE-2026-5127
User Frontend: AI Powered Frontend Posting, User Directory, - CVE-2026-41586
ObjectInputStream.readObject() without ObjectInputFilter in - CVE-2026-34084
PhpSpreadsheet SSRF and RCE via PHP stream wrappers in IOFac - CVE-2026-7712
MindsDB Pickle pickle.loads deserialization
V. Comments for CVE-2026-33819
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