cnvd - cnvd-2025-16871

CNVD-2025-16871

Vulnerability from cnvd - Published: 2025-07-21

Title

Microsoft Brokering File System代码问题漏洞

Description

Microsoft Brokering File System是美国微软（Microsoft）公司的一个文件系统。 Microsoft Brokering File System存在安全漏洞。攻击者利用该漏洞可以提升权限。

Severity

中

Patch Name

Microsoft Brokering File System代码问题漏洞的补丁

Patch Description

Microsoft Brokering File System是美国微软（Microsoft）公司的一个文件系统。 Microsoft Brokering File System存在安全漏洞。攻击者利用该漏洞可以提升权限。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

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-2025-49694

Reference

https://nvd.nist.gov/vuln/detail/CVE-2025-49694

Impacted products

Name
['Microsoft Windows Server 2022', 'Microsoft Window 11 24H2', 'Microsoft Windows Server 2025']

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JSON

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    "cve": {
      "cveNumber": "CVE-2025-49694",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-49694"
    }
  },
  "description": "Microsoft Brokering File System\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u6587\u4ef6\u7cfb\u7edf\u3002\n\nMicrosoft Brokering File System\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u4ee5\u63d0\u5347\u6743\u9650\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-2025-49694",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-16871",
  "openTime": "2025-07-21",
  "patchDescription": "Microsoft Brokering File System\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u6587\u4ef6\u7cfb\u7edf\u3002\r\n\r\nMicrosoft Brokering File System\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u4ee5\u63d0\u5347\u6743\u9650\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 Brokering File System\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Microsoft Windows Server 2022",
      "Microsoft Window 11 24H2",
      "Microsoft Windows Server 2025"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2025-49694",
  "serverity": "\u4e2d",
  "submitTime": "2025-07-21",
  "title": "Microsoft Brokering File System\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2025-49694 (GCVE-0-2025-49694)

Vulnerability from cvelistv5 – Published: 2025-07-08 16:57 – Updated: 2025-08-23 00:39

Summary

Null pointer dereference in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.

Severity ?

7.8 (High)


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

CWE

CWE-476 - NULL Pointer Dereference

Assigner

microsoft

References

URL

Tags

https://msrc.microsoft.com/update-guide/vulnerabi…

vendor-advisory

Impacted products

Vendor

Product

Version

Microsoft

Windows Server 2025 (Server Core installation)

Affected: 10.0.26100.0 , < 10.0.26100.4652 (custom)

Microsoft	Windows Server 2022, 23H2 Edition (Server Core installation)	Affected: 10.0.25398.0 , < 10.0.25398.1732 (custom)
Microsoft	Windows 11 Version 24H2	Affected: 10.0.26100.0 , < 10.0.26100.4652 (custom)
Microsoft	Windows Server 2025	Affected: 10.0.26100.0 , < 10.0.26100.4652 (custom)

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
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                "id": "CVE-2025-49694",
                "options": [
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                  },
                  {
                    "Technical Impact": "total"
                  }
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                "role": "CISA Coordinator",
                "timestamp": "2025-07-08T19:21:22.367153Z",
                "version": "2.0.3"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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      "metrics": [
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}

Sightings

Author	Source	Type	Date

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.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2025-16871

CVE-2025-49694 (GCVE-0-2025-49694)

Tags

Sightings

Nomenclature