Answer in brief
CVE-2026-26130 records a High severity (CVSS 7.5) vulnerability in ASP.NET Core Denial of Service Vulnerability. The current sources do not mark it as known exploited. The current feed maps Microsoft/ASP.NET Core 10.0 (generic), Microsoft/ASP.NET Core 8.0 (generic), Microsoft/ASP.NET Core 9.0 (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
Answer in brief
CVE-2026-26130 records a High severity (CVSS 7.5) vulnerability in ASP.NET Core Denial of Service Vulnerability. The current sources do not mark it as known exploited. The current feed maps Microsoft/ASP.NET Core 10.0 (generic), Microsoft/ASP.NET Core 8.0 (generic), Microsoft/ASP.NET Core 9.0 (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Microsoft/ASP.NET Core 10.0 (generic), Microsoft/ASP.NET Core 8.0 (generic), Microsoft/ASP.NET Core 9.0 (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Microsoft/ASP.NET Core 10.0generic | >=10.0 <10.0.4 | 10.0.4 |
| Microsoft/ASP.NET Core 8.0generic | >=8.0 <8.0.25 | 8.0.25 |
| Microsoft/ASP.NET Core 9.0generic | >=9.0 <9.0.14 | 9.0.14 |
Published upstream
Mar 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 15, 2026
A flaw was found in ASP.NET Core. This vulnerability allows an unauthorized attacker to perform a Denial of Service (DoS) attack over a network by allocating resources without limits or throttling. This can lead to the unavailability of the service for legitimate users.
Quoted source text, attributed separately from HOL analysis.
CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Microsoft/ASP.NET Core 10.0 (generic), Microsoft/ASP.NET Core 8.0 (generic), Microsoft/ASP.NET Core 9.0 (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Microsoft/ASP.NET Core 10.0generic | >=10.0 <10.0.4 | 10.0.4 |
| Microsoft/ASP.NET Core 8.0generic | >=8.0 <8.0.25 | 8.0.25 |
| Microsoft/ASP.NET Core 9.0generic | >=9.0 <9.0.14 | 9.0.14 |
Published upstream
Mar 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 15, 2026
A flaw was found in ASP.NET Core. This vulnerability allows an unauthorized attacker to perform a Denial of Service (DoS) attack over a network by allocating resources without limits or throttling. This can lead to the unavailability of the service for legitimate users.
Quoted source text, attributed separately from HOL analysis.