Out-of-bounds write in .NET allows an unauthorized attacker to execute code locally.

PT - Windows OS Coverage

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - Out-of-bounds write in .NET allows an unauthorized attacker to execute code locally. (CVE-2026-70354)

The Microsoft .NET Core SDK installations on the remote host are missing a security update. It is, therefore, affected by a vulnerability as referenced in the vendor advisory.

  - .NET Elevation of Privilege Vulnerability (CVE-2026-58641, CVE-2026-62871, CVE-2026-62886, CVE-2026-62909)

  - .NET Security Feature Bypass Vulnerability (CVE-2026-62899)

  - .NET Information Disclosure Vulnerability (CVE-2026-62900, CVE-2026-62902)

  - .NET Denial of Service Vulnerability (CVE-2026-62901)

  - .NET Core Remote Code Execution Vulnerability (CVE-2026-70354)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Microsoft .NET Core installations on the remote host are missing a security update. It is, therefore, affected by multiple vulnerabilities as referenced in the vendor advisory.

  - .NET Elevation of Privilege Vulnerability (CVE-2026-58641, CVE-2026-62871, CVE-2026-62886, CVE-2026-62909)

  - .NET Security Feature Bypass Vulnerability (CVE-2026-62899)

  - .NET Information Disclosure Vulnerability (CVE-2026-62900, CVE-2026-62902)

  - .NET Denial of Service Vulnerability (CVE-2026-62901)

  - .NET Core Remote Code Execution Vulnerability (CVE-2026-70354)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Windows host is missing security update 5120418. It is, therefore, affected by multiple vulnerabilities

  - Stack-based buffer overflow in Windows DNS allows an unauthorized attacker to execute code over a network.
    (CVE-2026-62878)

  - Use after free in Windows Deployment Services allows an unauthorized attacker to execute code over a     network. (CVE-2026-62893)

  - Heap-based buffer overflow in Windows iSCSI Target Service allows an unauthorized attacker to execute code     over a network. (CVE-2026-65791)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Type	Severity
445858	SCA: security update for Microsoft.WindowsDesktop.App.Runtime.win-arm64, Microsoft.WindowsDesktop.App.Runtime.win-x64, Microsoft.WindowsDesktop.App.Runtime.win-x86 (GHSA-gg8c-3338-xw2f)	Tenable Cloud Security	SCA Checks	Local	high
445858	SCA: security update for Microsoft.WindowsDesktop.App.Runtime.win-arm64, Microsoft.WindowsDesktop.App.Runtime.win-x64, Microsoft.WindowsDesktop.App.Runtime.win-x86 (GHSA-gg8c-3338-xw2f)	Tenable Self-Hosted Container Security	SCA Checks	Local	high
334621	Security Update for Microsoft .NET Core SDK (August 2026)	Nessus	Windows	Local	high
334610	Security Update for Microsoft .NET Core (August 2026)	Nessus	Windows	Local	high
334605	KB5120418: Windows 10 Version 1607 / Windows Server 2016 Security Update (August 2026)	Nessus	Windows : Microsoft Bulletins	Local	critical

Detections

Analytics

CVE-2026-70354

high

Tenable Plugins

Coming Soon

high

high

high

high

critical