Vulnerability details
CVE-2026-47302
Microsoft NET runtimeMicrosoft .NET FrameworkMicrosoft .NET Framework ANDMicrosoft Visual Studio
.NET Denial of Service Vulnerability
CVSS 3.1
7.5High
Official description
Allocation of resources without limits or throttling in .NET allows an unauthorized attacker to deny service over a network.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.5High | 3.1 | CVEProject cvelistV5 (CNA) (microsoft) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Microsoft | .NET 10.0 runtime | 10.0.0 ≤ v < 10.0.10 | CVEProject cvelistV5 (CNA) |
| Microsoft | .NET 8.0 runtime | 8.0.0 ≤ v < 8.0.29 | CVEProject cvelistV5 (CNA) |
| Microsoft | .NET 9.0 runtime | 9.0.0 ≤ v < 9.0.18 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft .NET Framework 3.5 | 3.5.0 ≤ v < 2.0.50727.8983 & 3.0.30729.8978 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 | 4.7.0 ≤ v < 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 | 4.8.0 ≤ v < 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 | 4.8.1 ≤ v < 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 | 4.7.0 ≤ v < 4.7.4143.0 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft .NET Framework 4.8 | 4.8.0 ≤ v < 4.8.4803.0 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft Visual Studio 2022 version 17.12 | 17.12.0 ≤ v < 17.12.22 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft Visual Studio 2022 version 17.14 | 17.14.0 ≤ v < 17.14.36 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft Visual Studio 2026 version 18.7 | 18.0 ≤ v < 18.7.4 | CVEProject cvelistV5 (CNA) |
References and advisories
1- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47302 vendor-advisorypatch
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Details
- Published
- 2026-07-14
- Last updated
- 2026-11-01
- State
- Published
- Assigner (CNA)
- microsoft
Exploit prediction (EPSS)
1.17%
Probability of exploitation in 30 days
67.7%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-770Allocation of Resources Without Limits or Throttling