MSRC_CVE-2025-26651

Vulnerability from csaf_microsoft - Published: 2025-04-08 07:00 - Updated: 2025-04-08 07:00
Summary
Windows Local Session Manager (LSM) Denial of Service 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.
CWE-749 - Exposed Dangerous Method or Function
Vendor Fix 10.0.20348.3453:Security Update:https://support.microsoft.com/help/5055526 https://support.microsoft.com/help/5055526
Vendor Fix 10.0.22621.5189:Security Update:https://support.microsoft.com/help/5055528 https://support.microsoft.com/help/5055528
Vendor Fix 10.0.26100.3775:Security Update:https://support.microsoft.com/help/5055523 https://support.microsoft.com/help/5055523
Vendor Fix 10.0.22631.5189:Security Update:https://support.microsoft.com/help/5055528 https://support.microsoft.com/help/5055528
Vendor Fix 10.0.25398.1551:Security Update:https://support.microsoft.com/help/5055527 https://support.microsoft.com/help/5055527
Acknowledgments
<a href="https://www.linkedin.com/in/remco-vandermeer/">Remco van der Meer</a>

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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 5.7,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C",
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          "details": "Denial of Service"
        },
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      "title": "Windows Local Session Manager (LSM) Denial of Service Vulnerability"
    }
  ]
}


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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.


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