Read the docs
TI-2023-12817 Aliases CVE-2023-28260GHSA-w4m3-43gp-x8hx

.NET DLL Hijacking Remote Code Execution Vulnerability

Priority LOW 39Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Microsoft. Impact type from Microsoft.

Summary

.NET DLL Hijacking Remote Code Execution Vulnerability

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01543 75th percentileScored 2026-11-07
Fix Fixed Microsoft.NetCore.App.Runtime.win-arm (NuGet): 7.0.5, 6.0.16Microsoft.NetCore.App.Runtime.win-arm64 (NuGet): 7.0.5, 6.0.16+2 more productsMicrosoft: 2 updates

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Microsoft.NET 6.06.0.0 to before 6.0.166.0.16Patch availableCNA
Microsoft.NET 7.07.0.0 to before 7.0.57.0.5Patch availableCNA
MicrosoftMicrosoft Visual Studio 2022 version 17.517.5.0 to before 17.5.417.5.4Patch availableCNA
MicrosoftMicrosoft Visual Studio 2022 version 17.417.4.0 to before 17.4.717.4.7Patch availableCNA
MicrosoftMicrosoft Visual Studio 2022 version 17.217.2.0 to before 17.2.1517.2.15Patch availableCNA
MicrosoftMicrosoft Visual Studio 2022 version 17.017.0.0 to before 17.0.2117.0.21Patch availableCNA
MicrosoftPowerShell 7.37.3.0 to before 7.3.47.3.4Patch availableCNA
MicrosoftPowerShell 7.27.2.0 to before 7.2.117.2.11Patch availableCNA
—Microsoft.NetCore.App.Runtime.win-arm (NuGet)7.0.0 to before 7.0.57.0.5Patch availableGHSA-w4m3-43gp-x8hx
—Microsoft.NetCore.App.Runtime.win-arm (NuGet)6.0.0 to before 6.0.166.0.16Patch availableGHSA-w4m3-43gp-x8hx
—Microsoft.NetCore.App.Runtime.win-arm64 (NuGet)7.0.0 to before 7.0.57.0.5Patch availableGHSA-w4m3-43gp-x8hx
—Microsoft.NetCore.App.Runtime.win-arm64 (NuGet)6.0.0 to before 6.0.166.0.16Patch availableGHSA-w4m3-43gp-x8hx
—Microsoft.NetCore.App.Runtime.win-x86 (NuGet)7.0.0 to before 7.0.57.0.5Patch availableGHSA-w4m3-43gp-x8hx
—Microsoft.NetCore.App.Runtime.win-x86 (NuGet)6.0.0 to before 6.0.166.0.16Patch availableGHSA-w4m3-43gp-x8hx
—Microsoft.NetCore.App.Runtime.win-x64 (NuGet)6.0.0 to before 6.0.166.0.16Patch availableGHSA-w4m3-43gp-x8hx
—Microsoft.NetCore.App.Runtime.win-x64 (NuGet)7.0.0 to before 7.0.57.0.5Patch availableGHSA-w4m3-43gp-x8hx
  • .NET 6.0 VendorMicrosoft Affected 6.0.0 to before 6.0.16 Fixed in 6.0.16 Patch available CNA
  • .NET 7.0 VendorMicrosoft Affected 7.0.0 to before 7.0.5 Fixed in 7.0.5 Patch available CNA
  • Microsoft Visual Studio 2022 version 17.5 VendorMicrosoft Affected 17.5.0 to before 17.5.4 Fixed in 17.5.4 Patch available CNA
  • Microsoft Visual Studio 2022 version 17.4 VendorMicrosoft Affected 17.4.0 to before 17.4.7 Fixed in 17.4.7 Patch available CNA
  • Microsoft Visual Studio 2022 version 17.2 VendorMicrosoft Affected 17.2.0 to before 17.2.15 Fixed in 17.2.15 Patch available CNA
  • Microsoft Visual Studio 2022 version 17.0 VendorMicrosoft Affected 17.0.0 to before 17.0.21 Fixed in 17.0.21 Patch available CNA
  • PowerShell 7.3 VendorMicrosoft Affected 7.3.0 to before 7.3.4 Fixed in 7.3.4 Patch available CNA
  • PowerShell 7.2 VendorMicrosoft Affected 7.2.0 to before 7.2.11 Fixed in 7.2.11 Patch available CNA
  • Microsoft.NetCore.App.Runtime.win-arm (NuGet) Vendor— Affected 7.0.0 to before 7.0.5 Fixed in 7.0.5 Patch available GHSA-w4m3-43gp-x8hx
  • Microsoft.NetCore.App.Runtime.win-arm (NuGet) Vendor— Affected 6.0.0 to before 6.0.16 Fixed in 6.0.16 Patch available GHSA-w4m3-43gp-x8hx
  • Microsoft.NetCore.App.Runtime.win-arm64 (NuGet) Vendor— Affected 7.0.0 to before 7.0.5 Fixed in 7.0.5 Patch available GHSA-w4m3-43gp-x8hx
  • Microsoft.NetCore.App.Runtime.win-arm64 (NuGet) Vendor— Affected 6.0.0 to before 6.0.16 Fixed in 6.0.16 Patch available GHSA-w4m3-43gp-x8hx
  • Microsoft.NetCore.App.Runtime.win-x86 (NuGet) Vendor— Affected 7.0.0 to before 7.0.5 Fixed in 7.0.5 Patch available GHSA-w4m3-43gp-x8hx
  • Microsoft.NetCore.App.Runtime.win-x86 (NuGet) Vendor— Affected 6.0.0 to before 6.0.16 Fixed in 6.0.16 Patch available GHSA-w4m3-43gp-x8hx
  • Microsoft.NetCore.App.Runtime.win-x64 (NuGet) Vendor— Affected 6.0.0 to before 6.0.16 Fixed in 6.0.16 Patch available GHSA-w4m3-43gp-x8hx
  • Microsoft.NetCore.App.Runtime.win-x64 (NuGet) Vendor— Affected 7.0.0 to before 7.0.5 Fixed in 7.0.5 Patch available GHSA-w4m3-43gp-x8hx

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*6.0.0 to before 6.0.16; 7.0.0 to before 7.0.5VulnerableMicrosoft
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*17.0 to before 17.0.21; 17.2 to before 17.2.15; 17.4 to before 17.4.7; 17.5 to before 17.5.4VulnerableMicrosoft
  • cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* Versions 6.0.0 to before 6.0.16; 7.0.0 to before 7.0.5 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:* Versions 17.0 to before 17.0.21; 17.2 to before 17.2.15; 17.4 to before 17.4.7; 17.5 to before 17.5.4 Vulnerable ·Microsoft

Remediation

  • Fix · GHSA-w4m3-43gp-x8hx Microsoft.NetCore.App.Runtime.win-arm (NuGet) Fixed in 7.0.5 Advisory →
  • Fix · GHSA-w4m3-43gp-x8hx Microsoft.NetCore.App.Runtime.win-arm (NuGet) Fixed in 6.0.16 Advisory →
  • Fix · GHSA-w4m3-43gp-x8hx Microsoft.NetCore.App.Runtime.win-arm64 (NuGet) Fixed in 7.0.5 Advisory →
  • Fix · GHSA-w4m3-43gp-x8hx Microsoft.NetCore.App.Runtime.win-arm64 (NuGet) Fixed in 6.0.16 Advisory →
  • Fix · GHSA-w4m3-43gp-x8hx Microsoft.NetCore.App.Runtime.win-x86 (NuGet) Fixed in 7.0.5 Advisory →
  • Fix · GHSA-w4m3-43gp-x8hx Microsoft.NetCore.App.Runtime.win-x86 (NuGet) Fixed in 6.0.16 Advisory →
  • Fix · GHSA-w4m3-43gp-x8hx Microsoft.NetCore.App.Runtime.win-x64 (NuGet) Fixed in 6.0.16 Advisory →
  • Fix · GHSA-w4m3-43gp-x8hx Microsoft.NetCore.App.Runtime.win-x64 (NuGet) Fixed in 7.0.5 Advisory →

Microsoft 2 updates

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Not affected: 5 products
  • .NET 6.0 on Red Hat Enterprise Linux
  • .NET Core 3.1 on Red Hat Enterprise Linux
  • .NET Core 5.0 on Red Hat Enterprise Linux
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Microsoft

Microsoft's page for this CVE →

Impact
Remote Code Execution
Exploited
No
Publicly disclosed
—
Exploitability
Exploitation Unlikely
ProductStatusPlan or fix
Microsoft Visual Studio 2022 version 17.0Fixed 17.0.21 · Security Update
Microsoft Visual Studio 2022 version 17.2Fixed 17.2.15 · Security Update
Microsoft Visual Studio 2022 version 17.4Fixed 17.4.7 · Security Update
Microsoft Visual Studio 2022 version 17.5Fixed 17.5.4 · Security Update
PowerShell 7.2Fixed 7.2.11 · Security Update
PowerShell 7.3Fixed 7.3.4 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-28260
  2. 2026-10-03 Alias added: GHSA-w4m3-43gp-x8hx

References

  • TI-2026-79288 Out-of-bounds write in Google Brotli decoder KEVCVSS 4.0CRITICAL 9.2
  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2023-19596 .NET and Visual Studio Denial of Service Vulnerability KEVCVSS 3.1HIGH 7.5
  • TI-2023-19588 Microsoft QUIC Denial of Service Vulnerability CVSS 3.1HIGH 7.5
  • TI-2024-14152 .NET and Visual Studio Denial of Service Vulnerability CVSS 3.1HIGH 7.5
  • TI-2021-08380 .NET Core Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
See all 129 →

Sources