MSRC_CVE-2025-55336

Vulnerability from csaf_microsoft - Published: 2025-10-14 07:00 - Updated: 2025-10-14 07:00
Summary
Windows Cloud Files Mini Filter Driver Information Disclosure Vulnerability
Severity
Important
Notes
Additional Resources: To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer: The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
Customer Action: Required. The vulnerability documented by this CVE requires customer action to resolve.
CVE-2025-55336
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Affected products
Product Identifier Version Remediation
Windows 10 Version 1809 for 32-bit Systems 10.0.17763.7919
Windows 10 Version 1809 for 32-bit Systems
 10.0.17763.7919
Windows 10 Version 1809 for x64-based Systems 10.0.17763.7919
Windows 10 Version 1809 for x64-based Systems
 10.0.17763.7919
Windows Server 2019 10.0.17763.7919
Windows Server 2019
 10.0.17763.7919
Windows Server 2019 (Server Core installation) 10.0.17763.7919
Windows Server 2019 (Server Core installation)
 10.0.17763.7919
Windows Server 2022 10.0.20348.4294
Windows Server 2022
 10.0.20348.4294
Windows Server 2022 (Server Core installation) 10.0.20348.4294
Windows Server 2022 (Server Core installation)
 10.0.20348.4294
Windows 10 Version 21H2 for 32-bit Systems 10.0.19044.6456
Windows 10 Version 21H2 for 32-bit Systems
 10.0.19044.6456
Windows 10 Version 21H2 for ARM64-based Systems 10.0.19044.6456
Windows 10 Version 21H2 for ARM64-based Systems
 10.0.19044.6456
Windows 10 Version 21H2 for x64-based Systems 10.0.19044.6456
Windows 10 Version 21H2 for x64-based Systems
 10.0.19044.6456
Windows 11 Version 22H2 for ARM64-based Systems 10.0.22621.6060
Windows 11 Version 22H2 for ARM64-based Systems
 10.0.22621.6060
Windows 11 Version 22H2 for x64-based Systems 10.0.22621.6060
Windows 11 Version 22H2 for x64-based Systems
 10.0.22621.6060
Windows 10 Version 22H2 for x64-based Systems 10.0.19045.6456
Windows 10 Version 22H2 for x64-based Systems
 10.0.19045.6456
Windows 10 Version 22H2 for ARM64-based Systems 10.0.19045.6456
Windows 10 Version 22H2 for ARM64-based Systems
 10.0.19045.6456
Windows 10 Version 22H2 for 32-bit Systems 10.0.19045.6456
Windows 10 Version 22H2 for 32-bit Systems
 10.0.19045.6456
Windows 11 Version 23H2 for ARM64-based Systems 10.0.22631.6060
Windows 11 Version 23H2 for ARM64-based Systems
 10.0.22631.6060
Windows 11 Version 23H2 for x64-based Systems 10.0.22631.6060
Windows 11 Version 23H2 for x64-based Systems
 10.0.22631.6060
Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1913
Windows Server 2022, 23H2 Edition (Server Core installation)
 10.0.25398.1913
Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.6899
Windows 11 Version 24H2 for ARM64-based Systems
 10.0.26100.6899
Windows 11 Version 24H2 for x64-based Systems 10.0.26100.6899
Windows 11 Version 24H2 for x64-based Systems
 10.0.26100.6899
Windows Server 2025 10.0.26100.6899
Windows Server 2025
 10.0.26100.6899
Windows Server 2025 (Server Core installation) 10.0.26100.6899
Windows Server 2025 (Server Core installation)
 10.0.26100.6899
Windows 11 Version 25H2 for ARM64-based Systems 10.0.26200.6899
Windows 11 Version 25H2 for ARM64-based Systems
 10.0.26200.6899
Windows 11 Version 25H2 for x64-based Systems 10.0.26200.6899
Windows 11 Version 25H2 for x64-based Systems
 10.0.26200.6899
Product Identifier Version Remediation
Windows 11 Version 25H2 for x64-based Systems <10.0.26200.6899
Windows 11 Version 25H2 for x64-based Systems
 <10.0.26200.6899
Vendor Fix fix
Windows 11 Version 25H2 for ARM64-based Systems <10.0.26200.6899
Windows 11 Version 25H2 for ARM64-based Systems
 <10.0.26200.6899
Vendor Fix fix
Windows Server 2025 (Server Core installation) <10.0.26100.6899
Windows Server 2025 (Server Core installation)
 <10.0.26100.6899
Vendor Fix fix
Windows Server 2025 <10.0.26100.6899
Windows Server 2025
 <10.0.26100.6899
Vendor Fix fix
Windows 11 Version 24H2 for x64-based Systems <10.0.26100.6899
Windows 11 Version 24H2 for x64-based Systems
 <10.0.26100.6899
Vendor Fix fix
Windows 11 Version 24H2 for ARM64-based Systems <10.0.26100.6899
Windows 11 Version 24H2 for ARM64-based Systems
 <10.0.26100.6899
Vendor Fix fix
Windows Server 2022, 23H2 Edition (Server Core installation) <10.0.25398.1913
Windows Server 2022, 23H2 Edition (Server Core installation)
 <10.0.25398.1913
Vendor Fix fix
Windows 11 Version 23H2 for x64-based Systems <10.0.22631.6060
Windows 11 Version 23H2 for x64-based Systems
 <10.0.22631.6060
Vendor Fix fix
Windows 11 Version 23H2 for ARM64-based Systems <10.0.22631.6060
Windows 11 Version 23H2 for ARM64-based Systems
 <10.0.22631.6060
Vendor Fix fix
Windows 10 Version 22H2 for 32-bit Systems <10.0.19045.6456
Windows 10 Version 22H2 for 32-bit Systems
 <10.0.19045.6456
Vendor Fix fix
Windows 10 Version 22H2 for ARM64-based Systems <10.0.19045.6456
Windows 10 Version 22H2 for ARM64-based Systems
 <10.0.19045.6456
Vendor Fix fix
Windows 10 Version 22H2 for x64-based Systems <10.0.19045.6456
Windows 10 Version 22H2 for x64-based Systems
 <10.0.19045.6456
Vendor Fix fix
Windows 11 Version 22H2 for x64-based Systems <10.0.22621.6060
Windows 11 Version 22H2 for x64-based Systems
 <10.0.22621.6060
Vendor Fix fix
Windows 11 Version 22H2 for ARM64-based Systems <10.0.22621.6060
Windows 11 Version 22H2 for ARM64-based Systems
 <10.0.22621.6060
Vendor Fix fix
Windows 10 Version 21H2 for x64-based Systems <10.0.19044.6456
Windows 10 Version 21H2 for x64-based Systems
 <10.0.19044.6456
Vendor Fix fix
Windows 10 Version 21H2 for ARM64-based Systems <10.0.19044.6456
Windows 10 Version 21H2 for ARM64-based Systems
 <10.0.19044.6456
Vendor Fix fix
Windows 10 Version 21H2 for 32-bit Systems <10.0.19044.6456
Windows 10 Version 21H2 for 32-bit Systems
 <10.0.19044.6456
Vendor Fix fix
Windows Server 2022 (Server Core installation) <10.0.20348.4294
Windows Server 2022 (Server Core installation)
 <10.0.20348.4294
Vendor Fix fix
Windows Server 2022 <10.0.20348.4294
Windows Server 2022
 <10.0.20348.4294
Vendor Fix fix
Windows Server 2019 (Server Core installation) <10.0.17763.7919
Windows Server 2019 (Server Core installation)
 <10.0.17763.7919
Vendor Fix fix
Windows Server 2019 <10.0.17763.7919
Windows Server 2019
 <10.0.17763.7919
Vendor Fix fix
Windows 10 Version 1809 for x64-based Systems <10.0.17763.7919
Windows 10 Version 1809 for x64-based Systems
 <10.0.17763.7919
Vendor Fix fix
Windows 10 Version 1809 for 32-bit Systems <10.0.17763.7919
Windows 10 Version 1809 for 32-bit Systems
 <10.0.17763.7919
Vendor Fix fix
Threats
Impact Information Disclosure
Exploit Status Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely
References
Acknowledgments
<a href="https://x.com/cplearns2h4ck">Chen Le Qi (@cplearns2h4ck)</a> with <a href="https://starlabs.sg/">STAR Labs SG Pte. Ltd.</a>
To clipboard 

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          {
            "category": "product_version",
            "name": "10.0.22631.6060",
            "product": {
              "name": "Windows 11 Version 23H2 for x64-based Systems 10.0.22631.6060",
              "product_id": "12243"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 11 Version 23H2 for x64-based Systems"
      },
      {
        "branches": [
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            "category": "product_version_range",
            "name": "\u003c10.0.25398.1913",
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              "name": "Windows Server 2022, 23H2 Edition (Server Core installation) \u003c10.0.25398.1913",
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          },
          {
            "category": "product_version",
            "name": "10.0.25398.1913",
            "product": {
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              "product_id": "12244"
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          }
        ],
        "category": "product_name",
        "name": "Windows Server 2022, 23H2 Edition (Server Core installation)"
      },
      {
        "branches": [
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            "category": "product_version_range",
            "name": "\u003c10.0.26100.6899",
            "product": {
              "name": "Windows 11 Version 24H2 for ARM64-based Systems \u003c10.0.26100.6899",
              "product_id": "6"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.26100.6899",
            "product": {
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              "product_id": "12389"
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        "name": "Windows 11 Version 24H2 for ARM64-based Systems"
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              "product_id": "5"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.26100.6899",
            "product": {
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              "product_id": "12390"
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        "name": "Windows 11 Version 24H2 for x64-based Systems"
      },
      {
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            "name": "\u003c10.0.26100.6899",
            "product": {
              "name": "Windows Server 2025 \u003c10.0.26100.6899",
              "product_id": "4"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.26100.6899",
            "product": {
              "name": "Windows Server 2025 10.0.26100.6899",
              "product_id": "12436"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2025"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-55336",
      "cwe": {
        "id": "CWE-200",
        "name": "Exposure of Sensitive Information to an Unauthorized Actor"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "Exploiting this vulnerability could allow the disclosure of certain memory address within kernel space. Knowing the exact location of kernel memory could be potentially leveraged by an attacker for other malicious activities.",
          "title": "What type of information could be disclosed by this vulnerability?"
        }
      ],
      "product_status": {
        "fixed": [
          "11568",
          "11569",
          "11571",
          "11572",
          "11923",
          "11924",
          "11929",
          "11930",
          "11931",
          "12085",
          "12086",
          "12097",
          "12098",
          "12099",
          "12242",
          "12243",
          "12244",
          "12389",
          "12390",
          "12436",
          "12437",
          "20437",
          "20438"
        ],
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9",
          "10",
          "11",
          "12",
          "13",
          "14",
          "15",
          "16",
          "17",
          "18",
          "19",
          "20",
          "21",
          "22",
          "23"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2025-55336 Windows Cloud Files Mini Filter Driver Information Disclosure Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55336"
        },
        {
          "category": "self",
          "summary": "CVE-2025-55336 Windows Cloud Files Mini Filter Driver Information Disclosure Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-55336.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-10-14T07:00:00.000Z",
          "details": "10.0.26200.6899:Security Update:https://support.microsoft.com/help/5066835",
          "product_ids": [
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            "2"
          ],
          "url": "https://support.microsoft.com/help/5066835"
        },
        {
          "category": "vendor_fix",
          "date": "2025-10-14T07:00:00.000Z",
          "details": "10.0.17763.7919:Security Update:https://support.microsoft.com/help/5066586",
          "product_ids": [
            "23",
            "22",
            "21",
            "20"
          ],
          "url": "https://support.microsoft.com/help/5066586"
        },
        {
          "category": "vendor_fix",
          "date": "2025-10-14T07:00:00.000Z",
          "details": "10.0.20348.4294:Security Update:https://support.microsoft.com/help/5066782",
          "product_ids": [
            "19",
            "18"
          ],
          "url": "https://support.microsoft.com/help/5066782"
        },
        {
          "category": "vendor_fix",
          "date": "2025-10-14T07:00:00.000Z",
          "details": "10.0.19044.6456:Security Update:https://support.microsoft.com/help/5066791",
          "product_ids": [
            "17",
            "16",
            "15"
          ],
          "url": "https://support.microsoft.com/help/5066791"
        },
        {
          "category": "vendor_fix",
          "date": "2025-10-14T07:00:00.000Z",
          "details": "10.0.22621.6060:Security Update:https://support.microsoft.com/help/5066793",
          "product_ids": [
            "14",
            "13"
          ],
          "url": "https://support.microsoft.com/help/5066793"
        },
        {
          "category": "vendor_fix",
          "date": "2025-10-14T07:00:00.000Z",
          "details": "10.0.19045.6456:Security Update:https://support.microsoft.com/help/5066791",
          "product_ids": [
            "12",
            "11",
            "10"
          ],
          "url": "https://support.microsoft.com/help/5066791"
        },
        {
          "category": "vendor_fix",
          "date": "2025-10-14T07:00:00.000Z",
          "details": "10.0.26100.6899:Security Update:https://support.microsoft.com/help/5066835",
          "product_ids": [
            "3",
            "6",
            "5",
            "4"
          ],
          "url": "https://support.microsoft.com/help/5066835"
        },
        {
          "category": "vendor_fix",
          "date": "2025-10-14T07:00:00.000Z",
          "details": "10.0.22631.6060:Security Update:https://support.microsoft.com/help/5066793",
          "product_ids": [
            "9",
            "8"
          ],
          "url": "https://support.microsoft.com/help/5066793"
        },
        {
          "category": "vendor_fix",
          "date": "2025-10-14T07:00:00.000Z",
          "details": "10.0.25398.1913:Security Update:https://support.microsoft.com/help/5066780",
          "product_ids": [
            "7"
          ],
          "url": "https://support.microsoft.com/help/5066780"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 4.8,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "17",
            "18",
            "19",
            "20",
            "21",
            "22",
            "23"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Information Disclosure"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"
        }
      ],
      "title": "Windows Cloud Files Mini Filter Driver Information Disclosure Vulnerability"
    }
  ]
}


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Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.



Detection rules are retrieved from Rulezet.