Vulnerability-Lookup

MSRC_CVE-2025-55699

Vulnerability from csaf_microsoft - Published: 2025-10-14 07:00 - Updated: 2025-10-14 07:00

Summary

Windows Kernel 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-2025-55699

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

Vendor Fix 10.0.26200.6899:Security Update:https://support.microsoft.com/help/5066835 https://support.microsoft.com/help/5066835

Vendor Fix 10.0.17763.7919:Security Update:https://support.microsoft.com/help/5066586 https://support.microsoft.com/help/5066586

Vendor Fix 10.0.20348.4294:Security Update:https://support.microsoft.com/help/5066782 https://support.microsoft.com/help/5066782

Vendor Fix 10.0.19044.6456:Security Update:https://support.microsoft.com/help/5066791 https://support.microsoft.com/help/5066791

Vendor Fix 10.0.22621.6060:Security Update:https://support.microsoft.com/help/5066793 https://support.microsoft.com/help/5066793

Vendor Fix 10.0.19045.6456:Security Update:https://support.microsoft.com/help/5066791 https://support.microsoft.com/help/5066791

Vendor Fix 10.0.26100.6899:Security Update:https://support.microsoft.com/help/5066835 https://support.microsoft.com/help/5066835

Vendor Fix 10.0.22631.6060:Security Update:https://support.microsoft.com/help/5066793 https://support.microsoft.com/help/5066793

Vendor Fix 10.0.25398.1913:Security Update:https://support.microsoft.com/help/5066780 https://support.microsoft.com/help/5066780

Vendor Fix 10.0.10240.21161:Security Update:https://support.microsoft.com/help/5066837 https://support.microsoft.com/help/5066837

Vendor Fix 10.0.14393.8519:Security Update:https://support.microsoft.com/help/5066836 https://support.microsoft.com/help/5066836

References

URL

Category

	https://msrc.microsoft.com/update-guide/vulnerabi…	self
	https://msrc.microsoft.com/csaf/advisories/2025/m…	self
	https://www.microsoft.com/en-us/msrc/exploitabili…	external
	https://support.microsoft.com/lifecycle	external
	https://www.first.org/cvss	external
	https://msrc.microsoft.com/update-guide/vulnerabi…	self
	https://msrc.microsoft.com/csaf/advisories/2025/m…	self

Acknowledgments

Maxime Villard

JSON

To clipboard

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          "title": "What type of information could be disclosed by this vulnerability?"
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            "attackVector": "LOCAL",
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            "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",
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      "threats": [
        {
          "category": "impact",
          "details": "Information Disclosure"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"
        }
      ],
      "title": "Windows Kernel Information Disclosure Vulnerability"
    }
  ]
}

CVE-2025-55699 (GCVE-0-2025-55699)

Vulnerability from cvelistv5 – Published: 2025-10-14 17:01 – Updated: 2026-02-22 17:25

Title

Windows Kernel Information Disclosure Vulnerability

Summary

Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.

Severity ?

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

CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor

Assigner

microsoft

References

URL

Tags

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

vendor-advisorypatch

Impacted products

Vendor

Product

Version

Microsoft

Windows 10 Version 1507

Affected: 10.0.10240.0 , < 10.0.10240.21161 (custom)

Microsoft	Windows 10 Version 1607	Affected: 10.0.14393.0 , < 10.0.14393.8519 (custom)
Microsoft	Windows 10 Version 1809	Affected: 10.0.17763.0 , < 10.0.17763.7919 (custom)
Microsoft	Windows 10 Version 21H2	Affected: 10.0.19044.0 , < 10.0.19044.6456 (custom)
Microsoft	Windows 10 Version 22H2	Affected: 10.0.19045.0 , < 10.0.19045.6456 (custom)
Microsoft	Windows 11 version 22H2	Affected: 10.0.22621.0 , < 10.0.22621.6060 (custom)
Microsoft	Windows 11 version 22H3	Affected: 10.0.22631.0 , < 10.0.22631.6060 (custom)
Microsoft	Windows 11 Version 23H2	Affected: 10.0.22631.0 , < 10.0.22631.6060 (custom)
Microsoft	Windows 11 Version 24H2	Affected: 10.0.26100.0 , < 10.0.26100.6899 (custom)
Microsoft	Windows 11 Version 25H2	Affected: 10.0.26200.0 , < 10.0.26200.6899 (custom)
Microsoft	Windows Server 2016	Affected: 10.0.14393.0 , < 10.0.14393.8519 (custom)
Microsoft	Windows Server 2016 (Server Core installation)	Affected: 10.0.14393.0 , < 10.0.14393.8519 (custom)
Microsoft	Windows Server 2019	Affected: 10.0.17763.0 , < 10.0.17763.7919 (custom)
Microsoft	Windows Server 2019 (Server Core installation)	Affected: 10.0.17763.0 , < 10.0.17763.7919 (custom)
Microsoft	Windows Server 2022	Affected: 10.0.20348.0 , < 10.0.20348.4294 (custom)
Microsoft	Windows Server 2022, 23H2 Edition (Server Core installation)	Affected: 10.0.25398.0 , < 10.0.25398.1913 (custom)
Microsoft	Windows Server 2025	Affected: 10.0.26100.0 , < 10.0.26100.6899 (custom)
Microsoft	Windows Server 2025 (Server Core installation)	Affected: 10.0.26100.0 , < 10.0.26100.6899 (custom)

Date Public ?

2025-10-14 14:00

Show details on NVD website

JSON

To clipboard

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                  "criteria": "cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*",
                  "versionEndExcluding": "10.0.26100.6899",
                  "versionStartIncluding": "10.0.26100.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "10.0.26100.6899",
                  "versionStartIncluding": "10.0.26100.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*",
                  "versionEndExcluding": "10.0.10240.21161",
                  "versionStartIncluding": "10.0.10240.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*",
                  "versionEndExcluding": "10.0.14393.8519",
                  "versionStartIncluding": "10.0.14393.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "10.0.14393.8519",
                  "versionStartIncluding": "10.0.14393.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "10.0.14393.8519",
                  "versionStartIncluding": "10.0.14393.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "datePublic": "2025-10-14T14:00:00.000Z",
      "descriptions": [
        {
          "lang": "en-US",
          "value": "Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "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"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-200",
              "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-22T17:25:28.976Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "name": "Windows Kernel Information Disclosure Vulnerability",
          "tags": [
            "vendor-advisory",
            "patch"
          ],
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55699"
        }
      ],
      "title": "Windows Kernel Information Disclosure Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2025-55699",
    "datePublished": "2025-10-14T17:01:14.745Z",
    "dateReserved": "2025-08-13T20:00:27.683Z",
    "dateUpdated": "2026-02-22T17:25:28.976Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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

MSRC_CVE-2025-55699

CVE-2025-55699 (GCVE-0-2025-55699)

Tags

Sightings

Nomenclature