Vulnerability-Lookup

CNVD-2026-26512

Vulnerability from cnvd - Published: 2026-07-07

Title

Microsoft Microsoft 365 Copilot命令注入漏洞（CNVD-2026-26512）

Description

Microsoft 365 Copilot是Microsoft推出的一款集成于Microsoft 365办公套件中的AI助手，主要提供智能写作、数据分析、内容生成等功能。 Microsoft 365 Copilot存在命令注入漏洞，该漏洞源于未能正确中和命令中的特殊元素，攻击者可利用该漏洞通过网络执行未经授权的篡改操作。

Severity

高

Patch Name

Microsoft Microsoft 365 Copilot命令注入漏洞（CNVD-2026-26512）的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42895

Reference

https://nvd.nist.gov/vuln/detail/CVE-2026-42895

Impacted products

Name
Microsoft Microsoft 365 Copilot

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-42895",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-42895"
    }
  },
  "description": "Microsoft 365 Copilot\u662fMicrosoft\u63a8\u51fa\u7684\u4e00\u6b3e\u96c6\u6210\u4e8eMicrosoft 365\u529e\u516c\u5957\u4ef6\u4e2d\u7684AI\u52a9\u624b\uff0c\u4e3b\u8981\u63d0\u4f9b\u667a\u80fd\u5199\u4f5c\u3001\u6570\u636e\u5206\u6790\u3001\u5185\u5bb9\u751f\u6210\u7b49\u529f\u80fd\u3002\n\nMicrosoft 365 Copilot\u5b58\u5728\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u672a\u80fd\u6b63\u786e\u4e2d\u548c\u547d\u4ee4\u4e2d\u7684\u7279\u6b8a\u5143\u7d20\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u7f51\u7edc\u6267\u884c\u672a\u7ecf\u6388\u6743\u7684\u7be1\u6539\u64cd\u4f5c\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42895",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-26512",
  "openTime": "2026-07-07",
  "patchDescription": "Microsoft 365 Copilot\u662fMicrosoft\u63a8\u51fa\u7684\u4e00\u6b3e\u96c6\u6210\u4e8eMicrosoft 365\u529e\u516c\u5957\u4ef6\u4e2d\u7684AI\u52a9\u624b\uff0c\u4e3b\u8981\u63d0\u4f9b\u667a\u80fd\u5199\u4f5c\u3001\u6570\u636e\u5206\u6790\u3001\u5185\u5bb9\u751f\u6210\u7b49\u529f\u80fd\u3002\r\n\r\nMicrosoft 365 Copilot\u5b58\u5728\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u672a\u80fd\u6b63\u786e\u4e2d\u548c\u547d\u4ee4\u4e2d\u7684\u7279\u6b8a\u5143\u7d20\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u7f51\u7edc\u6267\u884c\u672a\u7ecf\u6388\u6743\u7684\u7be1\u6539\u64cd\u4f5c\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Microsoft Microsoft 365 Copilot\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff08CNVD-2026-26512\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Microsoft Microsoft 365 Copilot"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2026-42895",
  "serverity": "\u9ad8",
  "submitTime": "2026-06-22",
  "title": "Microsoft Microsoft 365 Copilot\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff08CNVD-2026-26512\uff09"
}

CVE-2026-42895 (GCVE-0-2026-42895)

Vulnerability from cvelistv5 – Published: 2026-06-19 20:27 – Updated: 2026-08-25 22:42 Exclusively Hosted Service

Title

Microsoft Copilot Tampering Vulnerability

Summary

Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to perform tampering over a network.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-23 00:00 UTC

CWE

CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')

Assigner

microsoft mitre root

References

1 reference

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerabi…	vendor-advisorypatch

Impacted products

1 product

Vendor	Product	Version
Microsoft	Microsoft 365 Copilot	Affected: - cpe:2.3:a:microsoft:365_copilot::::::::

Date Public

2026-06-18 14:00

Show details on NVD website

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        "metrics": [
          {
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                "id": "CVE-2026-42895",
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                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-23T00:00:00+00:00",
                "version": "2.0.3"
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    "state": "PUBLISHED"
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  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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CNVD-2026-26512

CVE-2026-42895 (GCVE-0-2026-42895)

Tags

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