CVE-2026-45591: CWE-400: Uncontrolled Resource Consumption in Microsoft .NET 10.0
Uncontrolled resource consumption in ASP.NET Core allows an unauthorized attacker to deny service over a network.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-400 (Uncontrolled Resource Consumption), affects ASP.NET Core in Microsoft .NET 10.0. It enables an unauthenticated attacker to trigger excessive resource usage, leading to denial of service conditions. The CVSS 3.1 base score is 7.5, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and high impact on availability. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
Exploitation of this vulnerability can result in denial of service by exhausting resources on the affected system, impacting availability. There is no impact on confidentiality or integrity. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users of .NET 10.0 should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45591 to remediate this vulnerability.
CVE-2026-45591: CWE-400: Uncontrolled Resource Consumption in Microsoft .NET 10.0
Description
Uncontrolled resource consumption in ASP.NET Core allows an unauthorized attacker to deny service over a network.
CVSS v3.1
Score 7.5high
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-400 (Uncontrolled Resource Consumption), affects ASP.NET Core in Microsoft .NET 10.0. It enables an unauthenticated attacker to trigger excessive resource usage, leading to denial of service conditions. The CVSS 3.1 base score is 7.5, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and high impact on availability. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
Exploitation of this vulnerability can result in denial of service by exhausting resources on the affected system, impacting availability. There is no impact on confidentiality or integrity. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users of .NET 10.0 should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45591 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-12T19:55:45.730Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45591","vendor":"Microsoft"}]
Threat ID: 6a284ce18dd33fbd85664dfa
Added to database: 06/09/2026, 17:26:57 UTC
Last enriched: 07/29/2026, 21:58:46 UTC
Last updated: 07/31/2026, 21:26:44 UTC
Views: 187
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