tocsin

CVE-2026-58280

12 advisories.

NuGet/Microsoft.NETCore.App.Runtime.linux-arm CVE-2026-58280: high 7.5

Microsoft Security Advisory CVE-2026-58280 - .NET and Visual Studio Denial of Service Vulnerability

Action: Upgrade Microsoft.NETCore.App.Runtime.linux-arm to 8.0.32 (8.x), 9.0.21 (9.x), 10.0.13 (10.x) or 11.0.0-rc.2 (11.x) or later.

Affected

introducedfixedlast affected
9.0.09.0.21-
8.0.08.0.32-
10.0.010.0.13-
11.0.0-preview.111.0.0-rc.2-

Fixed versions

9.0.218.0.3210.0.1311.0.0-rc.2

Sources

CVE-2026-58280 · published · modified · JSON

NuGet/Microsoft.NETCore.App.Runtime.linux-arm64 CVE-2026-58280: high 7.5

Microsoft Security Advisory CVE-2026-58280 - .NET and Visual Studio Denial of Service Vulnerability

Action: Upgrade Microsoft.NETCore.App.Runtime.linux-arm64 to 8.0.32 (8.x), 9.0.21 (9.x), 10.0.13 (10.x) or 11.0.0-rc.2 (11.x) or later.

Affected

introducedfixedlast affected
9.0.09.0.21-
8.0.08.0.32-
10.0.010.0.13-
11.0.0-preview.111.0.0-rc.2-

Fixed versions

9.0.218.0.3210.0.1311.0.0-rc.2

Sources

CVE-2026-58280 · published · modified · JSON

NuGet/Microsoft.NETCore.App.Runtime.linux-musl-arm CVE-2026-58280: high 7.5

Microsoft Security Advisory CVE-2026-58280 - .NET and Visual Studio Denial of Service Vulnerability

Action: Upgrade Microsoft.NETCore.App.Runtime.linux-musl-arm to 8.0.32 (8.x), 9.0.21 (9.x), 10.0.13 (10.x) or 11.0.0-rc.2 (11.x) or later.

Affected

introducedfixedlast affected
9.0.09.0.21-
8.0.08.0.32-
10.0.010.0.13-
11.0.0-preview.111.0.0-rc.2-

Fixed versions

9.0.218.0.3210.0.1311.0.0-rc.2

Sources

CVE-2026-58280 · published · modified · JSON

NuGet/Microsoft.NETCore.App.Runtime.linux-musl-arm64 CVE-2026-58280: high 7.5

Microsoft Security Advisory CVE-2026-58280 - .NET and Visual Studio Denial of Service Vulnerability

Action: Upgrade Microsoft.NETCore.App.Runtime.linux-musl-arm64 to 8.0.32 (8.x), 9.0.21 (9.x), 10.0.13 (10.x) or 11.0.0-rc.2 (11.x) or later.

Affected

introducedfixedlast affected
9.0.09.0.21-
8.0.08.0.32-
10.0.010.0.13-
11.0.0-preview.111.0.0-rc.2-

Fixed versions

9.0.218.0.3210.0.1311.0.0-rc.2

Sources

CVE-2026-58280 · published · modified · JSON

NuGet/Microsoft.NETCore.App.Runtime.linux-musl-x64 CVE-2026-58280: high 7.5

Microsoft Security Advisory CVE-2026-58280 - .NET and Visual Studio Denial of Service Vulnerability

Action: Upgrade Microsoft.NETCore.App.Runtime.linux-musl-x64 to 8.0.32 (8.x), 9.0.21 (9.x), 10.0.13 (10.x) or 11.0.0-rc.2 (11.x) or later.

Affected

introducedfixedlast affected
9.0.09.0.21-
8.0.08.0.32-
10.0.010.0.13-
11.0.0-preview.111.0.0-rc.2-

Fixed versions

9.0.218.0.3210.0.1311.0.0-rc.2

Sources

CVE-2026-58280 · published · modified · JSON

NuGet/Microsoft.NETCore.App.Runtime.linux-x64 CVE-2026-58280: high 7.5

Microsoft Security Advisory CVE-2026-58280 - .NET and Visual Studio Denial of Service Vulnerability

Action: Upgrade Microsoft.NETCore.App.Runtime.linux-x64 to 8.0.32 (8.x), 9.0.21 (9.x), 10.0.13 (10.x) or 11.0.0-rc.2 (11.x) or later.

Affected

introducedfixedlast affected
9.0.09.0.21-
8.0.08.0.32-
10.0.010.0.13-
11.0.0-preview.111.0.0-rc.2-

Fixed versions

9.0.218.0.3210.0.1311.0.0-rc.2

Sources

CVE-2026-58280 · published · modified · JSON

NuGet/Microsoft.NETCore.App.Runtime.osx-arm64 CVE-2026-58280: high 7.5

Microsoft Security Advisory CVE-2026-58280 - .NET and Visual Studio Denial of Service Vulnerability

Action: Upgrade Microsoft.NETCore.App.Runtime.osx-arm64 to 8.0.32 (8.x), 9.0.21 (9.x), 10.0.13 (10.x) or 11.0.0-rc.2 (11.x) or later.

Affected

introducedfixedlast affected
9.0.09.0.21-
8.0.08.0.32-
10.0.010.0.13-
11.0.0-preview.111.0.0-rc.2-

Fixed versions

9.0.218.0.3210.0.1311.0.0-rc.2

Sources

CVE-2026-58280 · published · modified · JSON

NuGet/Microsoft.NETCore.App.Runtime.osx-x64 CVE-2026-58280: high 7.5

Microsoft Security Advisory CVE-2026-58280 - .NET and Visual Studio Denial of Service Vulnerability

Action: Upgrade Microsoft.NETCore.App.Runtime.osx-x64 to 8.0.32 (8.x), 9.0.21 (9.x), 10.0.13 (10.x) or 11.0.0-rc.2 (11.x) or later.

Affected

introducedfixedlast affected
9.0.09.0.21-
8.0.08.0.32-
10.0.010.0.13-
11.0.0-preview.111.0.0-rc.2-

Fixed versions

9.0.218.0.3210.0.1311.0.0-rc.2

Sources

CVE-2026-58280 · published · modified · JSON

NuGet/Microsoft.NETCore.App.Runtime.win-arm CVE-2026-58280: high 7.5

Microsoft Security Advisory CVE-2026-58280 - .NET and Visual Studio Denial of Service Vulnerability

Action: Upgrade Microsoft.NETCore.App.Runtime.win-arm to 8.0.32 (8.x), 9.0.21 (9.x), 10.0.13 (10.x) or 11.0.0-rc.2 (11.x) or later.

Affected

introducedfixedlast affected
9.0.09.0.21-
8.0.08.0.32-
10.0.010.0.13-
11.0.0-preview.111.0.0-rc.2-

Fixed versions

9.0.218.0.3210.0.1311.0.0-rc.2

Sources

CVE-2026-58280 · published · modified · JSON

NuGet/Microsoft.NETCore.App.Runtime.win-arm64 CVE-2026-58280: high 7.5

Microsoft Security Advisory CVE-2026-58280 - .NET and Visual Studio Denial of Service Vulnerability

Action: Upgrade Microsoft.NETCore.App.Runtime.win-arm64 to 8.0.32 (8.x), 9.0.21 (9.x), 10.0.13 (10.x) or 11.0.0-rc.2 (11.x) or later.

Affected

introducedfixedlast affected
9.0.09.0.21-
8.0.08.0.32-
10.0.010.0.13-
11.0.0-preview.111.0.0-rc.2-

Fixed versions

9.0.218.0.3210.0.1311.0.0-rc.2

Sources

CVE-2026-58280 · published · modified · JSON

NuGet/Microsoft.NETCore.App.Runtime.win-x64 CVE-2026-58280: high 7.5

Microsoft Security Advisory CVE-2026-58280 - .NET and Visual Studio Denial of Service Vulnerability

Action: Upgrade Microsoft.NETCore.App.Runtime.win-x64 to 8.0.32 (8.x), 9.0.21 (9.x), 10.0.13 (10.x) or 11.0.0-rc.2 (11.x) or later.

Affected

introducedfixedlast affected
9.0.09.0.21-
8.0.08.0.32-
10.0.010.0.13-
11.0.0-preview.111.0.0-rc.2-

Fixed versions

9.0.218.0.3210.0.1311.0.0-rc.2

Sources

CVE-2026-58280 · published · modified · JSON

NuGet/Microsoft.NETCore.App.Runtime.win-x86 CVE-2026-58280: high 7.5

Microsoft Security Advisory CVE-2026-58280 - .NET and Visual Studio Denial of Service Vulnerability

Action: Upgrade Microsoft.NETCore.App.Runtime.win-x86 to 8.0.32 (8.x), 9.0.21 (9.x), 10.0.13 (10.x) or 11.0.0-rc.2 (11.x) or later.

Affected

introducedfixedlast affected
9.0.09.0.21-
8.0.08.0.32-
10.0.010.0.13-
11.0.0-preview.111.0.0-rc.2-

Fixed versions

9.0.218.0.3210.0.1311.0.0-rc.2

Sources

CVE-2026-58280 · published · modified · JSON