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CVE-2026-26136— Microsoft Copilot Information Disclosure Vulnerability

Quick assessment

Affected
Microsoft Microsoft Copilot
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 Copilot是美国微软（Microsoft）公司的一款基于人工智能的辅助工具，提供内容生成、代码编写和办公协作等能力。 Microsoft Copilot存在命令注入漏洞，该漏洞源于命令中特殊元素中和不当，可能导致未经授权的攻击者通过网络泄露信息。

CVSS 6.5 · Medium EPSS 0.92% · P59

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
Microsoft Microsoft Copilot - affected
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I. Basic Information for CVE-2026-26136

Vulnerability Information
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Vulnerability Title
Microsoft Copilot Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to disclose information over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Copilot 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Copilot是美国微软（Microsoft）公司的一款基于人工智能的辅助工具，提供内容生成、代码编写和办公协作等能力。 Microsoft Copilot存在命令注入漏洞，该漏洞源于命令中特殊元素中和不当，可能导致未经授权的攻击者通过网络泄露信息。
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 Copilot - -

II. Public POCs for CVE-2026-26136

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III. Intelligence Information for CVE-2026-26136

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Vendor Advisories for CVE-2026-26136 (1)

Same Patch Batch · Microsoft · 2026-03-19 · 11 CVEs total

CVE-2026-32169 10.0 CRITICAL Azure Cloud Shell Elevation of Privilege Vulnerability
CVE-2026-26137 9.9 CRITICAL Microsoft Exchange Elevation of Privilege Vulnerability
CVE-2026-32191 9.8 CRITICAL Microsoft Bing Images Remote Code Execution Vulnerability
CVE-2026-32194 9.8 CRITICAL Microsoft Bing Images Remote Code Execution Vulnerability
CVE-2026-26139 8.6 HIGH Microsoft Purview Elevation of Privilege Vulnerability
CVE-2026-26138 8.6 HIGH Microsoft Purview Elevation of Privilege Vulnerability
CVE-2026-23658 8.6 HIGH Azure DevOps: msazure Elevation of Privilege Vulnerability
CVE-2026-23659 8.6 HIGH Azure Data Factory Information Disclosure Vulnerability
CVE-2026-26120 6.5 MEDIUM Microsoft Bing Tampering Vulnerability
CVE-2026-24299 5.3 MEDIUM M365 Copilot Information Disclosure Vulnerability

IV. Related Vulnerabilities

Same product: Microsoft Copilot
Same vendor: Microsoft
Same weakness: CWE-77

V. Comments for CVE-2026-26136

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