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CVE-2026-83849

🗓️ 13 Oct 2026 18:59:53Reported by microsoftType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

Out-of-bounds read in Windows Hello allows authorized attacker to disclose information locally.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-83849
14 Oct 202604:56
–circl
cvelist
Cvelist
CVE-2026-83849 Windows Hello Information Disclosure Vulnerability
13 Oct 202618:59
–cvelist
euvd
EUVD
EUVD-2026-99383
13 Oct 202618:59
–euvd
mscve
Microsoft CVE
Windows Hello Information Disclosure Vulnerability
13 Oct 202614:00
–mscve
nvd
NVD
CVE-2026-83849
13 Oct 202619:20
–nvd
ptsecurity
Positive Technologies
PT-2026-112615
13 Oct 202600:00
–ptsecurity
vulnrichment
Vulnrichment
CVE-2026-83849 Windows Hello Information Disclosure Vulnerability
13 Oct 202618:59
–vulnrichment
Vulners
CNA
Node
OR
microsoftwindows_10_21h2Range10.0.19044.0–10.0.19044.7807x32
microsoftwindows_10_21h2Range10.0.19044.0–10.0.19044.7807arm64
microsoftwindows_10_21h2Range10.0.19044.0–10.0.19044.7807x64
Node
OR
microsoftwindows_11_22h2Range10.0.19045.0–10.0.19044.7807x32
microsoftwindows_11_22h2Range10.0.19045.0–10.0.19044.7807arm64
microsoftwindows_11_22h2Range10.0.19045.0–10.0.19044.7807x64
Node
microsoftwindows_11_22h2Range10.0.22631.0–10.0.22631.7652arm64
Node
microsoftwindows_11_23h2Range10.0.22631.0–10.0.22631.7652x64
Node
OR
microsoftwindows_11_24h2Range10.0.26100.0–10.0.26100.9711arm64
microsoftwindows_11_24h2Range10.0.26100.0–10.0.26100.9711x64
Node
OR
microsoftwindows_11_25h2Range10.0.26200.0–10.0.26200.9711arm64
microsoftwindows_11_25h2Range10.0.26200.0–10.0.26200.9711x64
Node
OR
microsoftwindows_11_22h2Range10.0.28000.0–10.0.28000.3231arm64
microsoftwindows_11_22h2Range10.0.28000.0–10.0.28000.3231x64
Node
OR
microsoftwindows_26h2Range10.0.26300.0–10.0.26300.9711arm64
microsoftwindows_26h2Range10.0.26300.0–10.0.26300.9711x64
[
  {
    "vendor": "Microsoft",
    "product": "Windows 10 Version 21H2",
    "platforms": [
      "32-bit Systems",
      "ARM64-based Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.19044.0",
        "lessThan": "10.0.19044.7807",
        "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": "10.0.19044.7807",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 version 23H2",
    "platforms": [
      "ARM64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.22631.0",
        "lessThan": "10.0.22631.7652",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 Version 23H2",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.22631.0",
        "lessThan": "10.0.22631.7652",
        "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": "10.0.26100.9711",
        "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": "10.0.26200.9711",
        "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": "10.0.28000.3231",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 Version 26H2",
    "platforms": [
      "ARM64-based Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.26300.0",
        "lessThan": "10.0.26300.9711",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]

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13 Oct 2026 22:16Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.15.5
SSVC
6