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CVE-2026-48567— Azure HorizonDB Elevation of Privilege Vulnerability

Quick assessment

Affected
Microsoft Azure HorizonDB
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 Azure HorizonDB是美国微软（Microsoft）公司的一个云原生PostgreSQL数据库服务。 Microsoft Azure HorizonDB存在安全漏洞，该漏洞源于通过欺骗绕过身份验证，可能导致未经授权的攻击者通过网络提升权限。

CVSS 10.0 · Critical EPSS 0.92% · P59

Possible ATT&CK Techniques 1 AI

T1133 · External Remote Services

Affected Version Matrix 1

VendorProduct Version RangeStatus
Microsoft Azure HorizonDB - affected
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I. Basic Information for CVE-2026-48567

Vulnerability Information
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Vulnerability Title
Azure HorizonDB Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Authentication bypass by spoofing in Azure HorizonDB allows an unauthorized attacker to elevate privileges 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:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用欺骗进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Azure HorizonDB 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Azure HorizonDB是美国微软（Microsoft）公司的一个云原生PostgreSQL数据库服务。 Microsoft Azure HorizonDB存在安全漏洞，该漏洞源于通过欺骗绕过身份验证，可能导致未经授权的攻击者通过网络提升权限。
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 Azure HorizonDB - -

II. Public POCs for CVE-2026-48567

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III. Intelligence Information for CVE-2026-48567

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Vendor Advisories for CVE-2026-48567 (1)

Same Patch Batch · Microsoft · 2026-06-04 · 6 CVEs total

CVE-2026-48579 9.1 CRITICAL Microsoft Exchange Online Information Disclosure Vulnerability
CVE-2026-45497 7.7 HIGH Microsoft M365 Copilot Remote Code Execution Vulnerability
CVE-2026-47655 6.5 MEDIUM Microsoft Graph Information Disclosure Vulnerability
CVE-2026-47644 6.5 MEDIUM Copilot Chat (Microsoft Edge) Information Disclosure Vulnerability
CVE-2026-42824 6.5 MEDIUM M365 Copilot Information Disclosure Vulnerability

IV. Related Vulnerabilities

Same product: Azure HorizonDB
Same vendor: Microsoft
Same weakness: CWE-290

V. Comments for CVE-2026-48567

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