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CVE-2026-56168 Windows SMB Server Denial of Service Vulnerability

🗓️ 14 Jul 2026 17:09:15Reported by microsoftType 
cvelist
 cvelist
🔗 www.cve.org👁 29 Views

CVE-2026-56168 is a Windows file sharing server denial of service vulnerability.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-56168
14 Jul 202619:01
circl
CVE
CVE-2026-56168
14 Jul 202617:09
cve
EUVD
EUVD-2026-44236
14 Jul 202617:09
euvd
Microsoft KB
June 9, 2026—KB5095051 (OS Build 28000.2269)
14 Jul 202614:00
mskb
Microsoft KB
July 14, 2026—KB5099540 (OS Build 20348.5386)
14 Jul 202614:00
mskb
Microsoft CVE
Windows SMB Server Denial of Service Vulnerability
14 Jul 202614:00
mscve
NCSC
Vulnerabilities in Microsoft Windows
14 Jul 202618:13
ncsc
NVD
CVE-2026-56168
14 Jul 202618:18
nvd
Positive Technologies
PT-2026-58594
14 Jul 202600:00
ptsecurity
Tenable Nessus
KB5099536: Windows Server 2025 Security Update (July 2026)
14 Jul 202600:00
nessus
Rows per page
[
  {
    "vendor": "Microsoft",
    "product": "Windows 10 Version 21H2",
    "platforms": [
      "32-bit Systems",
      "ARM64-based Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.19044.0",
        "lessThan": "10.0.19044.7548",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 10 Version 22H2",
    "platforms": [
      "32-bit Systems",
      "ARM64-based Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.19045.0",
        "lessThan": "10.0.19045.7548",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 Version 24H2",
    "platforms": [
      "ARM64-based Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.26100.0",
        "lessThan": "10.0.26100.8875",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 Version 25H2",
    "platforms": [
      "ARM64-based Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.26200.0",
        "lessThan": "10.0.26200.8875",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 version 26H1",
    "platforms": [
      "ARM64-based Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.28000.0",
        "lessThan": "10.0.28000.2269",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2022",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.20348.0",
        "lessThan": "10.0.20348.5386",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2025",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.26100.0",
        "lessThan": "10.0.26100.33158",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2025 (Server Core installation)",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.26100.0",
        "lessThan": "10.0.26100.33158",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]

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16 Jul 2026 22:01Current
CVSS 3.16.5
EPSS0.0079
29