CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2026-118750 ASP.NET Core Denial of Service Vulnerability
High (7.5) in microsoft microsoft.aspnetcore.webutilities. EPSS 1.1% estimated probability of exploitation activity in the next 30 days. Fixed in Microsoft.AspNetCore.WebUtilities 2.3.14.
On this page
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Severity
- EPSS
- 1.1% estimated probability of exploitation activity in the next 30 days; 65th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
- CISA's assessment (SSVC)
- Exploitation: none · Automatable: yes · Technical impact: partial, assessed 2026-11-10. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
- CWE
- CWE-770 Allocation of Resources Without Limits or Throttling
- Published
- Modified
- Assigned by
- microsoft (CNA)
- NVD analysis
- Awaiting analysis
- Record from
- the NVD, synced
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Affected
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| Microsoft.AspNetCore.WebUtilities | from 2.3.12 before 2.3.14 |
Fix and patched versions
Microsoft.AspNetCore.WebUtilities(NuGet): fixed in 2.3.14
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-6527-9fp8-r4x6 | NuGet | Microsoft.AspNetCore.WebUtilities | >=2.3.0 <2.3.14 | 2.3.14 |
Linux distributions
| Distribution | Release | Package | Fixed in | Advisory |
|---|---|---|---|---|
| Ubuntu | 22.04:LTS | dotnet7 | no fix listed | UBUNTU-CVE-2026-118750 |
From the distributions' data via OSV.dev: Ubuntu Security Notices © Canonical Ltd., CC BY-SA 4.0. Modified: reformatted and linked to CVE records. Credits. On the distributions' own pages: Ubuntu.
Attack patterns (CAPEC)
The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits. More on the page of CWE-770 (20).