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.NET and Visual Studio Remote Code Execution Vulnerability

Type: advisorySource: Official CVE List1 source record

Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.

Announced Source revision 1
Original source ↗

CVE-2026-69522

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-69522

.NET 10.0

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

.NET 11.0

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

.NET 8.0

Source reference: /containers/cna/affected/2/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

.NET 9.0

Source reference: /containers/cna/affected/3/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2

Source reference: /containers/cna/affected/4/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Microsoft .NET Framework 3.5 AND 4.7.2

Source reference: /containers/cna/affected/5/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Microsoft .NET Framework 3.5 AND 4.8

Source reference: /containers/cna/affected/6/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Microsoft .NET Framework 3.5 AND 4.8.1

Source reference: /containers/cna/affected/7/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2

Source reference: /containers/cna/affected/8/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Microsoft .NET Framework 4.8

Source reference: /containers/cna/affected/9/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Microsoft .NET Framework 4.8.1

Source reference: /containers/cna/affected/10/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Microsoft Visual Studio 2022 version 17.14

Source reference: /containers/cna/affected/11/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Microsoft Visual Studio 2026 version 18.9

Source reference: /containers/cna/affected/12/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "Microsoft",
    "product": ".NET 10.0",
    "versions": [
      {
        "status": "affected",
        "version": "10.0.0",
        "lessThan": "10.0.12",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": ".NET 11.0",
    "versions": [
      {
        "status": "affected",
        "version": "11.0.0",
        "lessThan": "11.0 RC1",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": ".NET 8.0",
    "versions": [
      {
        "status": "affected",
        "version": "8.0.0",
        "lessThan": "8.0.31",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": ".NET 9.0",
    "versions": [
      {
        "status": "affected",
        "version": "9.0.0",
        "lessThan": "9.0.20",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2",
    "versions": [
      {
        "status": "affected",
        "version": "3.0.0.0",
        "lessThan": "2.0.50727.8984 & 3.0.30729.8980 & 4.7.4145.0",
        "versionType": "custom"
      }
    ],
    "platforms": [
      "Windows 10 Version 1607 for 32-bit Systems",
      "Windows 10 Version 1607 for x64-based Systems",
      "Windows Server 2016"
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft .NET Framework 3.5 AND 4.7.2",
    "versions": [
      {
        "status": "affected",
        "version": "4.7.0",
        "lessThan": "2.0.50727.9070 & 3.0.30729.9068 & 4.7.4145.0",
        "versionType": "custom"
      }
    ],
    "platforms": [
      "Windows 10 Version 1809 for 32-bit Systems",
      "Windows 10 Version 1809 for ARM64-based Systems",
      "Windows 10 Version 1809 for x64-based Systems",
      "Windows Server 2019"
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft .NET Framework 3.5 AND 4.8",
    "versions": [
      {
        "status": "affected",
        "version": "4.8.0",
        "lessThan": "2.0.50727.9070 & 3.0.30729.9068 & 4.8.4806.0",
        "versionType": "custom"
      }
    ],
    "platforms": [
      "Windows 10 Version 1809 for 32-bit Systems",
      "Windows 10 Version 1809 for ARM64-based Systems",
      "Windows 10 Version 1809 for x64-based Systems",
      "Windows 10 Version 21H2 for 32-bit Systems",
      "Windows 10 Version 21H2 for ARM64-based Systems",
      "Windows 10 Version 21H2 for x64-based Systems",
      "Windows 10 Version 22H2 for 32-bit Systems",
      "Windows 10 Version 22H2 for ARM64-based Systems",
      "Windows 10 Version 22H2 for x64-based Systems",
      "Windows Server 2019",
      "Windows Server 2022"
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft .NET Framework 3.5 AND 4.8.1",
    "versions": [
      {
        "status": "affected",
        "version": "4.8.1",
        "lessThan": "2.0.50727.9183 & 3.0.30729.9169 & 4.8.9347.0",
        "versionType": "custom"
      }
    ],
    "platforms": [
      "Windows 10 Version 21H2 for 32-bit Systems",
      "Windows 10 Version 21H2 for ARM64-based Systems",
      "Windows 10 Version 21H2 for x64-based Systems",
      "Windows 10 Version 22H2 for 32-bit Systems",
      "Windows 10 Version 22H2 for ARM64-based Systems",
      "Windows 10 Version 22H2 for x64-based Systems",
      "Windows 11 Version 23H2 for ARM64-based Systems",
      "Windows 11 Version 23H2 for x64-based Systems",
      "Windows 11 Version 24H2 for ARM64-based Systems",
      "Windows 11 Version 24H2 for x64-based Systems",
      "Windows 11 Version 25H2 for ARM64-based Systems",
      "Windows 11 Version 25H2 for x64-based Systems",
      "Windows Server 2022",
      "Windows Server 2025"
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2",
    "versions": [
      {
        "status": "affected",
        "version": "4.7.0",
        "lessThan": "4.7.4145.0",
        "versionType": "custom"
      }
    ],
    "platforms": [
      "Windows Server 2012",
      "Windows Server 2012 R2"
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft .NET Framework 4.8",
    "versions": [
      {
        "status": "affected",
        "version": "4.8.0",
        "lessThan": "4.8.4806.0",
        "versionType": "custom"
      }
    ],
    "platforms": [
      "Windows 10 Version 1607 for 32-bit Systems",
      "Windows 10 Version 1607 for x64-based Systems",
      "Windows Server 2012",
      "Windows Server 2012 R2",
      "Windows Server 2016"
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft .NET Framework 4.8.1",
    "versions": [
      {
        "status": "affected",
        "version": "4.8.0.0",
        "lessThan": "4.8.9347.0",
        "versionType": "custom"
      }
    ],
    "platforms": [
      "Windows 11 Version 26H1 for ARM64-based Systems",
      "Windows 11 version 26H1 for x64-based Systems"
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Visual Studio 2022 version 17.14",
    "versions": [
      {
        "status": "affected",
        "version": "17.14.0",
        "lessThan": "17.14.40",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Visual Studio 2026 version 18.9",
    "versions": [
      {
        "status": "affected",
        "version": "18.9.0",
        "lessThan": "18.9.3",
        "versionType": "custom"
      }
    ]
  }
]
Related CVEs
CVE-2026-69522

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#24684 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement