MSRC_CVE-2025-62567

Vulnerability from csaf_microsoft - Published: 2025-12-09 00:00 - Updated: 2025-12-09 00:00
Summary
Windows Hyper-V 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-191 - Integer Underflow (Wrap or Wraparound)
Affected products
Product Identifier Version Remediation
Windows Server 2012 R2 6.3.9600.22920
Windows Server 2012 R2
6.3.9600.22920
Windows Server 2012 R2 (Server Core installation) 6.3.9600.22920
Windows Server 2012 R2 (Server Core installation)
6.3.9600.22920
Windows Server 2016 10.0.14393.8688
Windows Server 2016
10.0.14393.8688
Windows 10 Version 1607 for x64-based Systems 10.0.14393.8688
Windows 10 Version 1607 for x64-based Systems
10.0.14393.8688
Windows Server 2016 (Server Core installation) 10.0.14393.8688
Windows Server 2016 (Server Core installation)
10.0.14393.8688
Windows 10 Version 1809 for x64-based Systems 10.0.17763.8146
Windows 10 Version 1809 for x64-based Systems
10.0.17763.8146
Windows Server 2019 10.0.17763.8146
Windows Server 2019
10.0.17763.8146
Windows Server 2019 (Server Core installation) 10.0.17763.8146
Windows Server 2019 (Server Core installation)
10.0.17763.8146
Windows Server 2022 10.0.20348.4529
Windows Server 2022
10.0.20348.4529
Windows Server 2022 (Server Core installation) 10.0.20348.4529
Windows Server 2022 (Server Core installation)
10.0.20348.4529
Windows 10 Version 21H2 for x64-based Systems 10.0.19044.6691
Windows 10 Version 21H2 for x64-based Systems
10.0.19044.6691
Windows 10 Version 22H2 for x64-based Systems 10.0.19045.6691
Windows 10 Version 22H2 for x64-based Systems
10.0.19045.6691
Windows 11 Version 23H2 for ARM64-based Systems 10.0.22631.6345
Windows 11 Version 23H2 for ARM64-based Systems
10.0.22631.6345
Windows 11 Version 23H2 for x64-based Systems 10.0.22631.6345
Windows 11 Version 23H2 for x64-based Systems
10.0.22631.6345
Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.2025
Windows Server 2022, 23H2 Edition (Server Core installation)
10.0.25398.2025
Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.7462
Windows 11 Version 24H2 for ARM64-based Systems
10.0.26100.7462
Windows 11 Version 24H2 for x64-based Systems 10.0.26100.7462
Windows 11 Version 24H2 for x64-based Systems
10.0.26100.7462
Windows Server 2025 10.0.26100.7462
Windows Server 2025
10.0.26100.7462
Windows Server 2025 (Server Core installation) 10.0.26100.7462
Windows Server 2025 (Server Core installation)
10.0.26100.7462
Windows 11 Version 25H2 for ARM64-based Systems 10.0.26200.7462
Windows 11 Version 25H2 for ARM64-based Systems
10.0.26200.7462
Windows 11 Version 25H2 for x64-based Systems 10.0.26200.7462
Windows 11 Version 25H2 for x64-based Systems
10.0.26200.7462
Product Identifier Version Remediation
Windows 11 Version 25H2 for x64-based Systems <10.0.26200.7462
Windows 11 Version 25H2 for x64-based Systems
<10.0.26200.7462
Vendor Fix fix
Vendor Fix fix
Windows 11 Version 25H2 for ARM64-based Systems <10.0.26200.7462
Windows 11 Version 25H2 for ARM64-based Systems
<10.0.26200.7462
Vendor Fix fix
Vendor Fix fix
Windows Server 2025 (Server Core installation) <10.0.26100.7462
Windows Server 2025 (Server Core installation)
<10.0.26100.7462
Vendor Fix fix
Vendor Fix fix
Windows Server 2025 <10.0.26100.7462
Windows Server 2025
<10.0.26100.7462
Vendor Fix fix
Vendor Fix fix
Windows 11 Version 24H2 for x64-based Systems <10.0.26100.7462
Windows 11 Version 24H2 for x64-based Systems
<10.0.26100.7462
Vendor Fix fix
Vendor Fix fix
Windows 11 Version 24H2 for ARM64-based Systems <10.0.26100.7462
Windows 11 Version 24H2 for ARM64-based Systems
<10.0.26100.7462
Vendor Fix fix
Vendor Fix fix
Windows Server 2022, 23H2 Edition (Server Core installation) <10.0.25398.2025
Windows Server 2022, 23H2 Edition (Server Core installation)
<10.0.25398.2025
Vendor Fix fix
Windows 11 Version 23H2 for x64-based Systems <10.0.22631.6345
Windows 11 Version 23H2 for x64-based Systems
<10.0.22631.6345
Vendor Fix fix
Windows 11 Version 23H2 for ARM64-based Systems <10.0.22631.6345
Windows 11 Version 23H2 for ARM64-based Systems
<10.0.22631.6345
Vendor Fix fix
Windows 10 Version 22H2 for x64-based Systems <10.0.19045.6691
Windows 10 Version 22H2 for x64-based Systems
<10.0.19045.6691
Vendor Fix fix
Windows 10 Version 21H2 for x64-based Systems <10.0.19044.6691
Windows 10 Version 21H2 for x64-based Systems
<10.0.19044.6691
Vendor Fix fix
Windows Server 2022 (Server Core installation) <10.0.20348.4529
Windows Server 2022 (Server Core installation)
<10.0.20348.4529
Vendor Fix fix
Vendor Fix fix
Windows Server 2022 <10.0.20348.4529
Windows Server 2022
<10.0.20348.4529
Vendor Fix fix
Vendor Fix fix
Windows Server 2019 (Server Core installation) <10.0.17763.8146
Windows Server 2019 (Server Core installation)
<10.0.17763.8146
Vendor Fix fix
Windows Server 2019 <10.0.17763.8146
Windows Server 2019
<10.0.17763.8146
Vendor Fix fix
Windows 10 Version 1809 for x64-based Systems <10.0.17763.8146
Windows 10 Version 1809 for x64-based Systems
<10.0.17763.8146
Vendor Fix fix
Windows Server 2016 (Server Core installation) <10.0.14393.8688
Windows Server 2016 (Server Core installation)
<10.0.14393.8688
Vendor Fix fix
Windows 10 Version 1607 for x64-based Systems <10.0.14393.8688
Windows 10 Version 1607 for x64-based Systems
<10.0.14393.8688
Vendor Fix fix
Windows Server 2016 <10.0.14393.8688
Windows Server 2016
<10.0.14393.8688
Vendor Fix fix
Windows Server 2012 R2 (Server Core installation) <6.3.9600.22920
Windows Server 2012 R2 (Server Core installation)
<6.3.9600.22920
Vendor Fix fix
Windows Server 2012 R2 <6.3.9600.22920
Windows Server 2012 R2
<6.3.9600.22920
Vendor Fix fix
Threats
Impact Denial of Service
Exploit Status Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Unlikely
Acknowledgments
<a href="https://x.com/hackyboiiiii">Mitchell Turner</a> with <a href="https://www.preludesecurity.com/">Prelude Research</a>
https://x.com/33y0re Connor McGarr with https://www.preludesecurity.com<https://www.preludesecurity.com/> Prelude Research

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            "name": "6.3.9600.22920",
            "product": {
              "name": "Windows Server 2012 R2 6.3.9600.22920",
              "product_id": "10483"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2012 R2"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c6.3.9600.22920",
            "product": {
              "name": "Windows Server 2012 R2 (Server Core installation) \u003c6.3.9600.22920",
              "product_id": "20"
            }
          },
          {
            "category": "product_version",
            "name": "6.3.9600.22920",
            "product": {
              "name": "Windows Server 2012 R2 (Server Core installation) 6.3.9600.22920",
              "product_id": "10543"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2012 R2 (Server Core installation)"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-62567",
      "cwe": {
        "id": "CWE-191",
        "name": "Integer Underflow (Wrap or Wraparound)"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "Successful exploitation of this vulnerability requires an attacker to gather information specific to the environment and take additional actions prior to exploitation to prepare the target environment.",
          "title": "According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?"
        }
      ],
      "product_status": {
        "fixed": [
          "10483",
          "10543",
          "10816",
          "10853",
          "10855",
          "11569",
          "11571",
          "11572",
          "11923",
          "11924",
          "11931",
          "12097",
          "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"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2025-62567 Windows Hyper-V Denial of Service Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62567"
        },
        {
          "category": "self",
          "summary": "CVE-2025-62567 Windows Hyper-V Denial of Service Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-62567.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-12-09T00:00:00.000Z",
          "details": "10.0.17763.8146:Security Update:https://support.microsoft.com/help/5071544",
          "product_ids": [
            "16",
            "15",
            "14"
          ],
          "url": "https://support.microsoft.com/help/5071544"
        },
        {
          "category": "vendor_fix",
          "date": "2025-12-09T00:00:00.000Z",
          "details": "10.0.20348.4529:Security Update:https://support.microsoft.com/help/5071547",
          "product_ids": [
            "13",
            "12"
          ],
          "url": "https://support.microsoft.com/help/5071547"
        },
        {
          "category": "vendor_fix",
          "date": "2025-12-09T00:00:00.000Z",
          "details": "10.0.20348.4467:Security Hotpatch Update:https://support.microsoft.com/help/5071413",
          "product_ids": [
            "13",
            "12"
          ],
          "url": "https://support.microsoft.com/help/5071413"
        },
        {
          "category": "vendor_fix",
          "date": "2025-12-09T00:00:00.000Z",
          "details": "10.0.19044.6691:Security Update:https://support.microsoft.com/help/5071546",
          "product_ids": [
            "11"
          ],
          "url": "https://support.microsoft.com/help/5071546"
        },
        {
          "category": "vendor_fix",
          "date": "2025-12-09T00:00:00.000Z",
          "details": "10.0.19045.6691:Security Update:https://support.microsoft.com/help/5071546",
          "product_ids": [
            "10"
          ],
          "url": "https://support.microsoft.com/help/5071546"
        },
        {
          "category": "vendor_fix",
          "date": "2025-12-09T00:00:00.000Z",
          "details": "10.0.26100.7462:Security Update:https://support.microsoft.com/help/5072033",
          "product_ids": [
            "3",
            "6",
            "5",
            "4"
          ],
          "url": "https://support.microsoft.com/help/5072033"
        },
        {
          "category": "vendor_fix",
          "date": "2025-12-09T00:00:00.000Z",
          "details": "10.0.26100.7392:Security Hotpatch Update:https://support.microsoft.com/help/5072014",
          "product_ids": [
            "3",
            "6",
            "5",
            "4"
          ],
          "url": "https://support.microsoft.com/help/5072014"
        },
        {
          "category": "vendor_fix",
          "date": "2025-12-09T00:00:00.000Z",
          "details": "10.0.26200.7462:Security Update:https://support.microsoft.com/help/5072033",
          "product_ids": [
            "2",
            "1"
          ],
          "url": "https://support.microsoft.com/help/5072033"
        },
        {
          "category": "vendor_fix",
          "date": "2025-12-09T00:00:00.000Z",
          "details": "10.0.26200.7392:Security Hotpatch Update:https://support.microsoft.com/help/5072014",
          "product_ids": [
            "2",
            "1"
          ],
          "url": "https://support.microsoft.com/help/5072014"
        },
        {
          "category": "vendor_fix",
          "date": "2025-12-09T00:00:00.000Z",
          "details": "10.0.22631.6345:Security Update:https://support.microsoft.com/help/5071417",
          "product_ids": [
            "9",
            "8"
          ],
          "url": "https://support.microsoft.com/help/5071417"
        },
        {
          "category": "vendor_fix",
          "date": "2025-12-09T00:00:00.000Z",
          "details": "10.0.25398.2025:Security Update:https://support.microsoft.com/help/5071542",
          "product_ids": [
            "7"
          ],
          "url": "https://support.microsoft.com/help/5071542"
        },
        {
          "category": "vendor_fix",
          "date": "2025-12-09T00:00:00.000Z",
          "details": "10.0.14393.8688:Security Update:https://support.microsoft.com/help/5071543",
          "product_ids": [
            "18",
            "19",
            "17"
          ],
          "url": "https://support.microsoft.com/help/5071543"
        },
        {
          "category": "vendor_fix",
          "date": "2025-12-09T00:00:00.000Z",
          "details": "6.3.9600.22920:Monthly Rollup:https://support.microsoft.com/help/5071503",
          "product_ids": [
            "21",
            "20"
          ],
          "url": "https://support.microsoft.com/help/5071503"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 4.6,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/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"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Denial of Service"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Unlikely"
        }
      ],
      "title": "Windows Hyper-V Denial of Service Vulnerability"
    }
  ]
}


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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.

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Detection rules are retrieved from Rulezet.

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