.NET Framework Denial of Service Vulnerability
Priority LOW 25CWE-59Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.
Summary
.NET Framework Denial of Service Vulnerability
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00917 60th percentileScored 2026-11-07
Fix Fixed Microsoft: 18 updates
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Microsoft .NET Framework 2.0 Service Pack 2 | 2.0.0 to before 2.0.50727.8966 | 2.0.50727.8966 | Patch available | CNA |
| Microsoft | Microsoft .NET Framework 3.0 Service Pack 2 | 3.0.0 to before 2.0.50727.8966 | 2.0.50727.8966 | Patch available | CNA |
| Microsoft | Microsoft .NET Framework 3.5 | 3.5.0 to before 3.5.50727.8966 | 3.5.50727.8966 | Patch available | CNA |
| Microsoft | Microsoft .NET Framework 3.5 and 4.6.2 | 4.7.0 to before 10.0.10240.19747 | 10.0.10240.19747 | Patch available | CNA |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 | 4.7.0 to before 10.0.04038.03 | 10.0.04038.03 | Patch available | CNA |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 | 4.8.0 to before 10.0.04614.06 | 10.0.04614.06 | Patch available | CNA |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 | 4.8.1 to before 10.0.09139.02 | 10.0.09139.02 | Patch available | CNA |
| Microsoft | Microsoft .NET Framework 3.5.1 | 3.5.0 to before 3.5.50727.8966 | 3.5.50727.8966 | Patch available | CNA |
| Microsoft | Microsoft .NET Framework 4.6.2 | 4.7.0 to before 4.7.04038.06 | 4.7.04038.06 | Patch available | CNA |
| Microsoft | Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 | 4.7.0 to before 4.7.04614.08 | 4.7.04614.08 | Patch available | CNA |
| Microsoft | Microsoft .NET Framework 4.8 | 4.8.0 to before 4.8.4614.08 | 4.8.4614.08 | Patch available | CNA |
- Microsoft .NET Framework 2.0 Service Pack 2 VendorMicrosoft Affected 2.0.0 to before 2.0.50727.8966 Fixed in 2.0.50727.8966 Patch available CNA
- Microsoft .NET Framework 3.0 Service Pack 2 VendorMicrosoft Affected 3.0.0 to before 2.0.50727.8966 Fixed in 2.0.50727.8966 Patch available CNA
- Microsoft .NET Framework 3.5 VendorMicrosoft Affected 3.5.0 to before 3.5.50727.8966 Fixed in 3.5.50727.8966 Patch available CNA
- Microsoft .NET Framework 3.5 and 4.6.2 VendorMicrosoft Affected 4.7.0 to before 10.0.10240.19747 Fixed in 10.0.10240.19747 Patch available CNA
- Microsoft .NET Framework 3.5 AND 4.7.2 VendorMicrosoft Affected 4.7.0 to before 10.0.04038.03 Fixed in 10.0.04038.03 Patch available CNA
- Microsoft .NET Framework 3.5 AND 4.8 VendorMicrosoft Affected 4.8.0 to before 10.0.04614.06 Fixed in 10.0.04614.06 Patch available CNA
- Microsoft .NET Framework 3.5 AND 4.8.1 VendorMicrosoft Affected 4.8.1 to before 10.0.09139.02 Fixed in 10.0.09139.02 Patch available CNA
- Microsoft .NET Framework 3.5.1 VendorMicrosoft Affected 3.5.0 to before 3.5.50727.8966 Fixed in 3.5.50727.8966 Patch available CNA
- Microsoft .NET Framework 4.6.2 VendorMicrosoft Affected 4.7.0 to before 4.7.04038.06 Fixed in 4.7.04038.06 Patch available CNA
- Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 VendorMicrosoft Affected 4.7.0 to before 4.7.04614.08 Fixed in 4.7.04614.08 Patch available CNA
- Microsoft .NET Framework 4.8 VendorMicrosoft Affected 4.8.0 to before 4.8.4614.08 Fixed in 4.8.4614.08 Patch available CNA
CPE configurations NVD · 46
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:* | 3.5 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:* | 4.7.2 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x86:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x86:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:* | 4.8 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
- cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:* Versions 3.5 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:* Versions 4.7.2 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_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_2016:-:*:*:*:*:*:*:* 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:4.8:*:*:*:*:*:*:* Versions 4.8 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
Show 36 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:x64:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:x86:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:arm64:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:x64:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:* | 4.8.1 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:arm64:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:x64:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:* | 3.5.1 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* | r2 sp1 | Running on | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:3.0:sp2:*:*:*:*:*:* | 3.0 sp2 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:* | 2.0 sp2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:* | 4.6.2 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10_1511:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10_1703:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10_1709:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10_1803:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10_1903:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10_2004:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:* | 4.7 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:* | 4.7.1 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* | r2 | Running on | Microsoft |
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:x64:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:x86:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:arm64:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:x64:* Versions all versions 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:4.8.1:*:*:*:*:*:*:* Versions 4.8.1 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:arm64:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:x64:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- 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:3.0:sp2:*:*:*:*:*:* Versions 3.0 sp2 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:* Versions 2.0 sp2 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:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10_1511:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10_1703:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10_1709:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10_1803:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10_1903:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10_2004:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:* Versions all versions Running on ·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_2012:r2:*:*:*:*:*:*:* Versions r2 Running on ·Microsoft
Remediation
Microsoft 18 updates
- Security Update
- Microsoft .NET Framework 3.5 and 4.6.2 10.0.10240.19747
- Windows 10 for 32-bit Systems 10.0.10240.19747
- Windows 10 for x64-based Systems 10.0.10240.19747
- Security Update
- Microsoft .NET Framework 3.5 AND 4.7.2 10.0.14393.5717
- Windows 10 Version 1607 for 32-bit Systems 10.0.14393.5717
- Windows 10 Version 1607 for x64-based Systems 10.0.14393.5717
- Windows Server 2016 10.0.14393.5717
- Windows Server 2016 (Server Core installation) 10.0.14393.5717
- Security Only
- Microsoft .NET Framework 2.0 Service Pack 2 2.0.04038.05
- Microsoft .NET Framework 3.0 Service Pack 2 2.0.04038.05
- Microsoft .NET Framework 4.6.2 4.7.4038.05
Show 15 more Microsoft updates
- Security Only
- Microsoft .NET Framework 3.5 2.0.50727.8966
- Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.04038.02
- Microsoft .NET Framework 4.8 4.8.04614.03
- Security Only
- Microsoft .NET Framework 3.5 3.5.50727.8966
- Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.04038.02
- Microsoft .NET Framework 4.8 4.8.04614.03
- Security Only
- Microsoft .NET Framework 3.5.1 2.0.50727.8966
- Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.04038.05
- Microsoft .NET Framework 4.8 4.8.4614.07
- Security Update
- Microsoft .NET Framework 3.5 AND 4.7.2 10.0.04038.03
- Microsoft .NET Framework 3.5 AND 4.8 10.0.04614.06
- Security Update
- Microsoft .NET Framework 3.5 AND 4.8 10.0.04614.06
- Microsoft .NET Framework 3.5 AND 4.8.1 10.0.09139.02
- Monthly Rollup
- Microsoft .NET Framework 2.0 Service Pack 2 2.0.50727.8966
- Microsoft .NET Framework 3.0 Service Pack 2 2.0.50727.8966
- Microsoft .NET Framework 4.6.2 4.7.04038.06
- Monthly Rollup
- Microsoft .NET Framework 3.5 3.5.50727.8966
- Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.04038.03
- Microsoft .NET Framework 4.8 4.8.04614.05
- Monthly Rollup
- Microsoft .NET Framework 3.5 3.5.50727.8966
- Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.04038.03
- Microsoft .NET Framework 4.8 4.8.04614.05
- Monthly Rollup
- Microsoft .NET Framework 3.5.1 3.5.50727.8966
- Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.04614.08
- Microsoft .NET Framework 4.8 4.8.4614.08
- Security Update
- Microsoft .NET Framework 3.5 AND 4.8 10.0.4614.06
- Microsoft .NET Framework 3.5 AND 4.8.1 10.0.09139.02
- Security Update
- Microsoft .NET Framework 3.5 AND 4.8 10.0.04614.06
- Microsoft .NET Framework 3.5 AND 4.8.1 10.0.09139.02
- Security Update
- Microsoft .NET Framework 3.5 AND 4.8 10.0.04614.06
- Microsoft .NET Framework 3.5 AND 4.8.1 10.0.09139.02
- Security Update
- Microsoft .NET Framework 3.5 AND 4.8 10.0.04614.06
- Microsoft .NET Framework 3.5 AND 4.8.1 10.0.09139.02
- Security Update
- Microsoft .NET Framework 3.5 AND 4.8 10.0.04614.05
- Security Update
- Microsoft .NET Framework 3.5 AND 4.8.1 10.0.09139.02
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Denial of Service
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
Timeline
- 2026-10-02 Threatist record created from CVE-2023-21722
- 2026-10-03 Alias added: GHSA-xp67-pj6p-rpvg
References
More Microsoft .net Framework vulnerabilities
- 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
Sources
- CVE-2023-21722 · CVE Program
- CVE-2023-21722 · NVD
- FIRST EPSS
- GHSA-xp67-pj6p-rpvg · GitHub Advisory Database · CC BY 4.0
- CVE-2023-21722 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences