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EUVD-2026-99449

🗓️ 13 Oct 2026 18:59:59Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 2 Views

Incorrect authorization in Windows SMB Client allows local bypass of a security feature.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-84011
14 Oct 202606:18
–circl
cve
CVE
CVE-2026-84011
13 Oct 202618:59
–cve
cvelist
Cvelist
CVE-2026-84011 Windows SMB Client Security Feature Bypass Vulnerability
13 Oct 202618:59
–cvelist
mscve
Microsoft CVE
Windows SMB Client Security Feature Bypass Vulnerability
13 Oct 202614:00
–mscve
nvd
NVD
CVE-2026-84011
13 Oct 202619:20
–nvd
ptsecurity
Positive Technologies
PT-2026-112700
13 Oct 202600:00
–ptsecurity
[
  {
    "enisaIdVendor": [
      {
        "id": "e739ec2c-45e5-3f36-ab4d-850ec356d8df",
        "vendor": {
          "name": "Microsoft"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "0ba0df44-6294-3306-9c85-915ede32328f",
        "product": {
          "name": "Windows 11 Version 26H2",
          "vendor": {
            "name": "Microsoft"
          }
        },
        "product_version": "10.0.26300.0 <10.0.26300.9711"
      },
      {
        "id": "0c230ad5-4cf1-3e8d-a9d3-9f64581cf9d2",
        "product": {
          "name": "Windows 11 Version 24H2",
          "vendor": {
            "name": "Microsoft"
          }
        },
        "product_version": "10.0.26100.0 <10.0.26100.9711"
      },
      {
        "id": "16b20568-bca5-31f0-b2e2-d9dac18e131d",
        "product": {
          "name": "Windows Server 2025 (Server Core installation)",
          "vendor": {
            "name": "Microsoft"
          }
        },
        "product_version": "10.0.26100.0 <10.0.26100.33650"
      },
      {
        "id": "192c8f56-682a-36e7-810b-6b6ffc2b9197",
        "product": {
          "name": "Windows Server 2022",
          "vendor": {
            "name": "Microsoft"
          }
        },
        "product_version": "10.0.20348.0 <10.0.20348.5761"
      },
      {
        "id": "6082f955-38b7-3893-a64d-36b32b81e7d4",
        "product": {
          "name": "Windows 11 Version 23H2",
          "vendor": {
            "name": "Microsoft"
          }
        },
        "product_version": "10.0.22631.0 <10.0.22631.7652"
      },
      {
        "id": "d71e103b-87dc-3fa3-b68e-8e08e68354cb",
        "product": {
          "name": "Windows 11 version 26H1",
          "vendor": {
            "name": "Microsoft"
          }
        },
        "product_version": "10.0.28000.0 <10.0.28000.3231"
      },
      {
        "id": "e33bd104-2d49-3c1d-8d2c-47caf312dd5b",
        "product": {
          "name": "Windows 11 Version 25H2",
          "vendor": {
            "name": "Microsoft"
          }
        },
        "product_version": "10.0.26200.0 <10.0.26200.9711"
      },
      {
        "id": "f972f8d0-a9a4-3d2c-a646-0d1a205fb660",
        "product": {
          "name": "Windows Server 2025",
          "vendor": {
            "name": "Microsoft"
          }
        },
        "product_version": "10.0.26100.0 <10.0.26100.33650"
      }
    ]
  }
]

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13 Oct 2026 22:26Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.15.5
2