Microsoft QUIC Denial of Service Vulnerability
Priority MEDIUM 44CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- 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
Microsoft QUIC Denial of Service Vulnerability
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0299 87th percentileScored 2026-11-07
Fix Fixed Microsoft: 7 updates
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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 Visual Studio 2022 version 17.9 | 17.0 to before 17.9.3 | 17.9.3 | Patch available | CNA |
| Microsoft | Windows Server 2022 | 10.0.20348.0 to before 10.0.20348.2340 | 10.0.20348.2340 | Patch available | CNA |
| Microsoft | Windows 11 version 21H2 | 10.0.22000.0 to before 10.0.22000.2836 | 10.0.22000.2836 | Patch available | CNA |
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 to before 10.0.22621.3296 | 10.0.22621.3296 | Patch available | CNA |
| Microsoft | Windows 11 version 22H3 | 10.0.22631.0 to before 10.0.22631.3296 | 10.0.22631.3296 | Patch available | CNA |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 to before 10.0.22631.3296 | 10.0.22631.3296 | Patch available | CNA |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 to before 10.0.25398.763 | 10.0.25398.763 | Patch available | CNA |
| Microsoft | PowerShell 7.3 | 7.3.0 to before 7.3.12 | 7.3.12 | Patch available | CNA |
| Microsoft | PowerShell 7.4 | 7.4.0 to before 7.4.2 | 7.4.2 | Patch available | CNA |
| Microsoft | Microsoft Visual Studio 2022 version 17.4 | 17.4.0 to before 17.4.17 | 17.4.17 | Patch available | CNA |
| Microsoft | Microsoft Visual Studio 2022 version 17.6 | 17.6.0 to before 17.6.13 | 17.6.13 | Patch available | CNA |
| Microsoft | Microsoft Visual Studio 2022 version 17.8 | 17.8.0 to before 17.8.8 | 17.8.8 | Patch available | CNA |
| Microsoft | .NET 7.0 | 7.0.0 to before 7.0.17 | 7.0.17 | Patch available | CNA |
| Microsoft | .NET 8.0 | 8.0 to before 8.0.3 | 8.0.3 | Patch available | CNA |
- Microsoft Visual Studio 2022 version 17.9 VendorMicrosoft Affected 17.0 to before 17.9.3 Fixed in 17.9.3 Patch available CNA
- Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.2340 Fixed in 10.0.20348.2340 Patch available CNA
- Windows 11 version 21H2 VendorMicrosoft Affected 10.0.22000.0 to before 10.0.22000.2836 Fixed in 10.0.22000.2836 Patch available CNA
- Windows 11 version 22H2 VendorMicrosoft Affected 10.0.22621.0 to before 10.0.22621.3296 Fixed in 10.0.22621.3296 Patch available CNA
- Windows 11 version 22H3 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.3296 Fixed in 10.0.22631.3296 Patch available CNA
- Windows 11 Version 23H2 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.3296 Fixed in 10.0.22631.3296 Patch available CNA
- Windows Server 2022, 23H2 Edition (Server Core installation) VendorMicrosoft Affected 10.0.25398.0 to before 10.0.25398.763 Fixed in 10.0.25398.763 Patch available CNA
- PowerShell 7.3 VendorMicrosoft Affected 7.3.0 to before 7.3.12 Fixed in 7.3.12 Patch available CNA
- PowerShell 7.4 VendorMicrosoft Affected 7.4.0 to before 7.4.2 Fixed in 7.4.2 Patch available CNA
- Microsoft Visual Studio 2022 version 17.4 VendorMicrosoft Affected 17.4.0 to before 17.4.17 Fixed in 17.4.17 Patch available CNA
- Microsoft Visual Studio 2022 version 17.6 VendorMicrosoft Affected 17.6.0 to before 17.6.13 Fixed in 17.6.13 Patch available CNA
- Microsoft Visual Studio 2022 version 17.8 VendorMicrosoft Affected 17.8.0 to before 17.8.8 Fixed in 17.8.8 Patch available CNA
- .NET 7.0 VendorMicrosoft Affected 7.0.0 to before 7.0.17 Fixed in 7.0.17 Patch available CNA
- .NET 8.0 VendorMicrosoft Affected 8.0 to before 8.0.3 Fixed in 8.0.3 Patch available CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* | 7.0.0 to before 7.0.17; 8.0.0 to before 8.0.3 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:powershell:*:*:*:*:*:*:*:* | 7.3 to before 7.3.12; 7.4 to before 7.4.2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:* | 17.4.0 to before 17.4.17; 17.6.0 to before 17.6.13; 17.8.0 to before 17.8.8; 17.9.0 to before 17.9.3 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:* | before 10.0.22000.2836 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* | before 10.0.22621.3296 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* | before 10.0.22631.3296 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* | before 10.0.20348.2340 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* | before 10.0.25398.763 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* Versions 7.0.0 to before 7.0.17; 8.0.0 to before 8.0.3 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:powershell:*:*:*:*:*:*:*:* Versions 7.3 to before 7.3.12; 7.4 to before 7.4.2 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:* Versions 17.4.0 to before 17.4.17; 17.6.0 to before 17.6.13; 17.8.0 to before 17.8.8; 17.9.0 to before 17.9.3 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:* Versions before 10.0.22000.2836 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* Versions before 10.0.22621.3296 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* Versions before 10.0.22631.3296 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* Versions before 10.0.20348.2340 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* Versions before 10.0.25398.763 Vulnerable ·Microsoft
Remediation
Microsoft 7 updates
- Security Update
- .NET 8.0 8.0.3
- Monthly Rollup
- .NET 7.0 7.0.17
- SecurityHotpatchUpdate
- Windows Server 2022 10.0.20348.2333
- Windows Server 2022 (Server Core installation) 10.0.20348.2333
Show 4 more Microsoft updates
- Security Update
- Windows Server 2022 10.0.20348.2340
- Windows Server 2022 (Server Core installation) 10.0.20348.2340
- Security Update
- Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.763
- Security Update
- Windows 11 version 21H2 for ARM64-based Systems 10.0.22000.2836
- Windows 11 version 21H2 for x64-based Systems 10.0.22000.2836
- Security Update
- Windows 11 Version 22H2 for ARM64-based Systems 10.0.22621.3296
- Windows 11 Version 22H2 for x64-based Systems 10.0.22621.3296
- Windows 11 Version 23H2 for ARM64-based Systems 10.0.22631.3296
- Windows 11 Version 23H2 for x64-based Systems 10.0.22631.3296
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Denial of Service
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
| Product | Status | Plan or fix |
|---|---|---|
| Microsoft Visual Studio 2022 version 17.4 | Fixed | 17.4.17 · Security Update |
| Microsoft Visual Studio 2022 version 17.6 | Fixed | 17.6.13 · Security Update |
| Microsoft Visual Studio 2022 version 17.8 | Fixed | 17.8.8 · Security Update |
| Microsoft Visual Studio 2022 version 17.9 | Fixed | 17.9.3 · Security Update |
| PowerShell 7.3 | Fixed | 7.3.12 · Security Update |
| PowerShell 7.4 | Fixed | 7.4.2 · Security Update |
Timeline
- 2026-10-02 Threatist record created from CVE-2024-26190
References
More Microsoft .net vulnerabilities
- 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
Sources
- CVE-2024-26190 · CVE Program
- CVE-2024-26190 · NVD
- FIRST EPSS
- CVE-2024-26190 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences