Read the docs
TI-2023-13722 Aliases CVE-2023-29326GHSA-whg9-w34q-4qw6

.NET Framework Remote Code Execution Vulnerability

Priority LOW 38Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
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 and Microsoft. Impact type from Microsoft.

Summary

.NET Framework Remote Code Execution Vulnerability

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.009 59th percentileScored 2026-11-07
Fix Fixed Microsoft: 16 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
MicrosoftMicrosoft .NET Framework 3.5 AND 4.84.8.0 to before 4.8.4644.04.8.4644.0Patch availableCNA
MicrosoftMicrosoft .NET Framework 3.5 AND 4.7.24.7.0 to before 4.7.4050.04.7.4050.0Patch availableCNA
MicrosoftMicrosoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.23.0.0.0 to before 10.0.14393.598910.0.14393.5989Patch availableCNA
MicrosoftMicrosoft .NET Framework 3.5 AND 4.8.14.8.1 to before 4.8.9166.04.8.9166.0Patch availableCNA
MicrosoftMicrosoft .NET Framework 2.0 Service Pack 22.0.0 to before 3.0.6920.8954; 2.0.50727.89703.0.6920.8954; 2.0.50727.8970Patch availableCNA
MicrosoftMicrosoft .NET Framework 3.0 Service Pack 23.0.0 to before 3.0.6920.8954; 2.0.50727.89703.0.6920.8954; 2.0.50727.8970Patch availableCNA
MicrosoftMicrosoft .NET Framework 3.53.5.0 to before 3.0.6920.8954; 2.0.50727.89703.0.6920.8954; 2.0.50727.8970Patch availableCNA
MicrosoftMicrosoft .NET Framework 3.5.13.5.0 to before 3.0.6920.8954; 2.0.50727.89703.0.6920.8954; 2.0.50727.8970Patch availableCNA
MicrosoftMicrosoft .NET Framework 3.5 and 4.6.24.7.0 to before 10.0.10240.1998310.0.10240.19983Patch availableCNA
  • Microsoft .NET Framework 3.5 AND 4.8 VendorMicrosoft Affected 4.8.0 to before 4.8.4644.0 Fixed in 4.8.4644.0 Patch available CNA
  • Microsoft .NET Framework 3.5 AND 4.7.2 VendorMicrosoft Affected 4.7.0 to before 4.7.4050.0 Fixed in 4.7.4050.0 Patch available CNA
  • Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 VendorMicrosoft Affected 3.0.0.0 to before 10.0.14393.5989 Fixed in 10.0.14393.5989 Patch available CNA
  • Microsoft .NET Framework 3.5 AND 4.8.1 VendorMicrosoft Affected 4.8.1 to before 4.8.9166.0 Fixed in 4.8.9166.0 Patch available CNA
  • Microsoft .NET Framework 2.0 Service Pack 2 VendorMicrosoft Affected 2.0.0 to before 3.0.6920.8954; 2.0.50727.8970 Fixed in 3.0.6920.8954; 2.0.50727.8970 Patch available CNA
  • Microsoft .NET Framework 3.0 Service Pack 2 VendorMicrosoft Affected 3.0.0 to before 3.0.6920.8954; 2.0.50727.8970 Fixed in 3.0.6920.8954; 2.0.50727.8970 Patch available CNA
  • Microsoft .NET Framework 3.5 VendorMicrosoft Affected 3.5.0 to before 3.0.6920.8954; 2.0.50727.8970 Fixed in 3.0.6920.8954; 2.0.50727.8970 Patch available CNA
  • Microsoft .NET Framework 3.5.1 VendorMicrosoft Affected 3.5.0 to before 3.0.6920.8954; 2.0.50727.8970 Fixed in 3.0.6920.8954; 2.0.50727.8970 Patch available CNA
  • Microsoft .NET Framework 3.5 and 4.6.2 VendorMicrosoft Affected 4.7.0 to before 10.0.10240.19983 Fixed in 10.0.10240.19983 Patch available CNA

CPE configurations NVD · 34

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*3.5.1VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*r2 sp1Running onMicrosoft
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*3.5VulnerableMicrosoft
cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*4.6.2VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:x64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:x86:*not specified by NVDRunning onMicrosoft
cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:*4.8.1VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x86:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:arm64:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:* Versions 3.5.1 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* Versions r2 sp1 Running on ·Microsoft
  • cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:* Versions 3.5 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:* Versions 4.6.2 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:x64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:x86:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:* Versions 4.8.1 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x86:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:arm64:* Versions not specified by NVD Running on ·Microsoft
Show 24 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:x64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:x86:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:arm64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x86:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_11_21h2:-:*:*:*:*:*:arm64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_11_21h2:-:*:*:*:*:*:x64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_11_22h2:-:*:*:*:*:*:arm64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_11_22h2:-:*:*:*:*:*:x64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*4.8VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x86:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*4.7.2VulnerableMicrosoft
cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*4.7VulnerableMicrosoft
cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*4.7.1VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*r2Running onMicrosoft
cpe:2.3:a:microsoft:.net_framework:3.0:sp2:*:*:*:*:*:*3.0 sp2VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*not specified by NVDRunning onMicrosoft
cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*2.0 sp2VulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:x64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:x86:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:arm64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x86:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_21h2:-:*:*:*:*:*:arm64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_21h2:-:*:*:*:*:*:x64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_22h2:-:*:*:*:*:*:arm64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_22h2:-:*:*:*:*:*:x64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:* Versions 4.8 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x86:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:* Versions 4.7.2 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:* Versions 4.7 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:* Versions 4.7.1 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* Versions r2 Running on ·Microsoft
  • cpe:2.3:a:microsoft:.net_framework:3.0:sp2:*:*:*:*:*:* Versions 3.0 sp2 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:* Versions 2.0 sp2 Vulnerable ·Microsoft

Remediation

Microsoft 16 updates

  • KB5027544
    Security Update
    • Microsoft .NET Framework 3.5 AND 4.8 4.8.4644.0
    • Microsoft .NET Framework 3.5 AND 4.8.1 4.8.9166.0
  • KB5027543
    Monthly Rollup
    • Microsoft .NET Framework 2.0 Service Pack 2 3.0.6920.8954; 2.0.50727.8970
    • Microsoft .NET Framework 3.0 Service Pack 2 3.0.6920.8954; 2.0.50727.8970
    • Microsoft .NET Framework 4.6.2 4.7.04043.0
  • KB5027542
    Monthly Rollup
    • Microsoft .NET Framework 3.5 3.0.6920.8954; 2.0.50727.8970
    • Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.04043.0
    • Microsoft .NET Framework 4.8 4.8.4644.0
Show 13 more Microsoft updates
  • KB5027541
    Monthly Rollup
    • Microsoft .NET Framework 3.5 3.0.6920.8954; 2.0.50727.8970
    • Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.04043.0
    • Microsoft .NET Framework 4.8 4.8.4644.0
  • KB5027540
    Monthly Rollup
    • Microsoft .NET Framework 3.5.1 3.0.6920.8954; 2.0.50727.8970
    • Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.04043.0
    • Microsoft .NET Framework 4.8 4.8.4644.0
  • KB5027539
    Security Update
    • Microsoft .NET Framework 3.5 AND 4.8 4.8.4644.0
    • Microsoft .NET Framework 3.5 AND 4.8.1 4.8.9166.0
  • KB5027538
    Security Update
    • Microsoft .NET Framework 3.5 AND 4.8 4.8.4644.0
    • Microsoft .NET Framework 3.5 AND 4.8.1 4.8.9166.0
  • KB5027537
    Security Update
    • Microsoft .NET Framework 3.5 AND 4.8 4.8.4644.0
    • Microsoft .NET Framework 3.5 AND 4.8.1 4.8.9166.0
  • KB5027536
    Security Update
    • Microsoft .NET Framework 3.5 AND 4.7.2 4.8.4644.0, 4.7.4050.0
    • Microsoft .NET Framework 3.5 AND 4.8 4.8.4644.0, 4.7.4050.0
  • KB5027534
    Security Only
    • Microsoft .NET Framework 2.0 Service Pack 2 4.7.4050.0, 3.0.6920.8954; 2.0.50727.8970
    • Microsoft .NET Framework 3.0 Service Pack 2 4.7.4050.0, 3.0.6920.8954; 2.0.50727.8970
    • Microsoft .NET Framework 4.6.2 4.7.4050.0
  • KB5027533
    Security Only
    • Microsoft .NET Framework 3.5 3.0.6920.8954; 2.0.50727.8970
    • Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.4050.0
    • Microsoft .NET Framework 4.8 4.8.4644.0
  • KB5027532
    Security Only
    • Microsoft .NET Framework 3.5 3.0.6920.8954; 2.0.50727.8970
    • Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.4050.0
    • Microsoft .NET Framework 4.8 4.8.4644.0
  • KB5027531
    Security Only
    • Microsoft .NET Framework 3.5.1 3.0.6920.8954; 2.0.50727.8970
    • Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.4050.0
    • Microsoft .NET Framework 4.8 4.8.4644.0
  • KB5027230
    Security Update
    • Microsoft .NET Framework 3.5 and 4.6.2 10.0.10240.19983
    • Windows 10 for 32-bit Systems 10.0.10240.19983
    • Windows 10 for x64-based Systems 10.0.10240.19983
  • KB5027219
    Security Update
    • Microsoft .NET Framework 2.0 Service Pack 2 10.0.14393.5989
    • Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 10.0.14393.5989
    • Microsoft .NET Framework 3.5 AND 4.8 10.0.14393.5989
    • Windows 10 Version 1607 for 32-bit Systems 10.0.14393.5989
    • Windows 10 Version 1607 for x64-based Systems 10.0.14393.5989
    • Windows Server 2016 10.0.14393.5989
    • Windows Server 2016 (Server Core installation) 10.0.14393.5989
  • KB5027119
    Security Update
    • Microsoft .NET Framework 3.5 AND 4.8.1 4.8.9166.0

Vendor assessments

Red Hat

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

Not affected: 3 products
  • .NET 6.0 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
No
Exploitability
Exploitation Less Likely

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-29326
  2. 2026-10-03 Alias added: GHSA-whg9-w34q-4qw6

References

Patch 1

  • TI-2020-00622 XML injection in Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-01112 A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and… KEVCVSS 3.1HIGH 7.8
  • TI-2017-06273 Code injection in Microsoft .NET Framework KEVCVSS 3.1HIGH 7.8
  • TI-2015-01495 The Windows DirectWrite library, as used in Microsoft .NET Framework 3.0 SP2, 3.5, 3.5.1… KEVCVSS 3.1HIGH 7.8
  • TI-2024-19239 .NET Framework Information Disclosure Vulnerability KEVCVSS 3.1HIGH 7.5
  • TI-2023-18684 ASP.NET Elevation of Privilege Vulnerability CVSS 3.1HIGH 8.8
See all 206 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences