Vulnerability details
CVE-2026-56170
Microsoft NET runtime
ASP.NET Core Denial of Service Vulnerability
CVSS 3.1
7.5High
Official description
Allocation of resources without limits or throttling in ASP.NET Core 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) |
References and advisories
1- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56170 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