Vulnerability-Lookup

CNVD-2026-17154

Vulnerability from cnvd - Published: 2026-04-14

Title

Microsoft Windows Cloud Files Mini Filter Driver权限提升漏洞（CNVD-2026-17154）

Description

Microsoft Windows Cloud Files Mini Filter Driver是美国微软（Microsoft）公司的一款云文件过滤器驱动程序。 Microsoft Windows Cloud Files Mini Filter Driver存在权限提升漏洞，该漏洞是由Cloud Files Mini-Filter Driver组件中的不受信任的指针解引用缺陷引起的。攻击者可利用该漏洞提升权限。

Severity

中

Patch Name

Microsoft Windows Cloud Files Mini Filter Driver权限提升漏洞（CNVD-2026-17154）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-2026-20857

Reference

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20857

Impacted products

Name
['Microsoft Windows Server 2019', 'Microsoft Windows Server 2022', 'Microsoft Window 10 22H2', 'Microsoft Window 10 21H2', 'Microsoft Window 10 1809', 'Microsoft Window 11 23H2', 'Microsoft Window 11 24H2', 'Microsoft Windows Server 2025', 'Microsoft Window 11 25H2']

Show details on source website

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-20857",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-20857"
    }
  },
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-17154",
  "openTime": "2026-04-14",
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  "patchName": "Microsoft Windows Cloud Files Mini Filter Driver\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff08CNVD-2026-17154\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Microsoft Windows Server 2019",
      "Microsoft Windows Server 2022",
      "Microsoft Window 10 22H2",
      "Microsoft Window 10 21H2",
      "Microsoft Window 10 1809",
      "Microsoft Window 11 23H2",
      "Microsoft Window 11 24H2",
      "Microsoft Windows Server 2025",
      "Microsoft Window 11 25H2"
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  "referenceLink": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20857",
  "serverity": "\u4e2d",
  "submitTime": "2026-01-19",
  "title": "Microsoft Windows Cloud Files Mini Filter Driver\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff08CNVD-2026-17154\uff09"
}

CVE-2026-20857 (GCVE-0-2026-20857)

Vulnerability from cvelistv5 – Published: 2026-01-13 17:56 – Updated: 2026-04-01 13:48

Title

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

Summary

Untrusted pointer dereference in Windows Cloud Files Mini Filter Driver 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-822 - Untrusted Pointer Dereference

Assigner

microsoft

References

URL

Tags

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

vendor-advisorypatch

Impacted products

Vendor

Product

Version

Microsoft

Windows 10 Version 1809

Affected: 10.0.17763.0 , < 10.0.17763.8276 (custom)

Microsoft	Windows 10 Version 21H2	Affected: 10.0.19044.0 , < 10.0.19044.6809 (custom)
Microsoft	Windows 10 Version 22H2	Affected: 10.0.19045.0 , < 10.0.19045.6809 (custom)
Microsoft	Windows 11 version 22H3	Affected: 10.0.22631.0 , < 10.0.22631.6491 (custom)
Microsoft	Windows 11 Version 23H2	Affected: 10.0.22631.0 , < 10.0.22631.6491 (custom)
Microsoft	Windows 11 Version 24H2	Affected: 10.0.26100.0 , < 10.0.26100.7623 (custom)
Microsoft	Windows 11 Version 25H2	Affected: 10.0.26200.0 , < 10.0.26200.7623 (custom)
Microsoft	Windows Server 2019	Affected: 10.0.17763.0 , < 10.0.17763.8276 (custom)
Microsoft	Windows Server 2019 (Server Core installation)	Affected: 10.0.17763.0 , < 10.0.17763.8276 (custom)
Microsoft	Windows Server 2022	Affected: 10.0.20348.0 , < 10.0.20348.4648 (custom)
Microsoft	Windows Server 2022, 23H2 Edition (Server Core installation)	Affected: 10.0.25398.0 , < 10.0.25398.2092 (custom)
Microsoft	Windows Server 2025	Affected: 10.0.26100.0 , < 10.0.26100.32230 (custom)
Microsoft	Windows Server 2025 (Server Core installation)	Affected: 10.0.26100.0 , < 10.0.26100.32230 (custom)

Date Public ?

2026-01-13 16:00

Show details on NVD website

JSON

To clipboard

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                "role": "CISA Coordinator",
                "timestamp": "2026-01-14T04:56:48.957374Z",
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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-2026-17154

CVE-2026-20857 (GCVE-0-2026-20857)

Tags

Sightings

Nomenclature