{"schema_version":1,"title":"Microsoft Asp.net Core vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 9 vulnerabilities in Microsoft Asp.net Core: 0 in the last 7 days and 3 in the last 90 days, 2 of them critical and 1 exploited in the wild. The most recent, Microsoft ASP.NET Core IIS Integration denial of service via data amplification, was published on 8 September 2026.","url":"https://junglewise.ai/threats/technologies/asp-net-core","json_url":"https://junglewise.ai/threats/technologies/asp-net-core.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/asp-net-core","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":5,"all_time":9,"critical":2,"exploited":1,"last_7_days":0,"last_30_days":3,"last_90_days":3,"last_365_days":7},"latest":[{"cvss":5.9,"slug":"microsoft-asp-net-core-iis-integration-denial-of-service-via-data-69730a19","title":"Microsoft ASP.NET Core IIS Integration denial of service via data amplification","severity":"medium","exploited":false,"published_at":"2026-09-08T18:32:21+00:00","url":"https://junglewise.ai/threats/microsoft-asp-net-core-iis-integration-denial-of-service-via-data-69730a19"},{"cve":"CVE-2026-69304","cvss":5.9,"epss":0.009,"slug":"cve-2026-69304-microsoft-asp-net-core-iis-middleware-denial-of-service-in","title":"Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny service over a netw","severity":"medium","exploited":false,"published_at":"2026-09-08T18:18:46.347+00:00","url":"https://junglewise.ai/threats/cve-2026-69304-microsoft-asp-net-core-iis-middleware-denial-of-service-in"},{"cve":"CVE-2026-57099","cvss":7.5,"epss":0.012,"slug":"cve-2026-57099-microsoft-asp-net-core-resource-exhaustion-denial-of-service","title":"Microsoft ASP.NET Core resource exhaustion denial of service","severity":"high","exploited":false,"published_at":"2026-09-08T18:17:43.057+00:00","url":"https://junglewise.ai/threats/cve-2026-57099-microsoft-asp-net-core-resource-exhaustion-denial-of-service"},{"cve":"CVE-2026-45591","cvss":7.5,"epss":0.0077,"slug":"cve-2026-45591-microsoft-asp-net-core-uncontrolled-resource-consumption","title":"Microsoft ASP.NET Core uncontrolled resource consumption","severity":"high","exploited":false,"published_at":"2026-06-09T17:17:26.933+00:00","url":"https://junglewise.ai/threats/cve-2026-45591-microsoft-asp-net-core-uncontrolled-resource-consumption"},{"cve":"CVE-2026-42899","cvss":7.5,"epss":0.0118,"slug":"cve-2026-42899-microsoft-asp-net-core-infinite-loop-denial-of-service","title":"Microsoft ASP.NET Core infinite loop denial of service","severity":"high","exploited":false,"published_at":"2026-05-12T18:17:26.733+00:00","url":"https://junglewise.ai/threats/cve-2026-42899-microsoft-asp-net-core-infinite-loop-denial-of-service"},{"cve":"CVE-2026-40372","cvss":9.1,"epss":0.1035,"slug":"cve-2026-40372-microsoft-asp-net-core-privilege-escalation-via-improper","title":"Microsoft ASP.NET Core privilege escalation via improper signature verification","severity":"critical","exploited":false,"published_at":"2026-04-21T20:16:59.133+00:00","url":"https://junglewise.ai/threats/cve-2026-40372-microsoft-asp-net-core-privilege-escalation-via-improper"},{"cve":"CVE-2026-26130","cvss":7.5,"epss":0.0137,"slug":"cve-2026-26130-microsoft-asp-net-core-denial-of-service-via-uncontrolled","title":"Microsoft ASP.NET Core denial of service via uncontrolled resource allocation","severity":"high","exploited":false,"published_at":"2026-03-10T18:18:42.223+00:00","url":"https://junglewise.ai/threats/cve-2026-26130-microsoft-asp-net-core-denial-of-service-via-uncontrolled"},{"cve":"CVE-2023-38180","cvss":7.5,"slug":"cve-2023-38180-microsoft-net-core-and-visual-studio-denial-of-service","title":"Microsoft .NET Core and Visual Studio Denial-of-Service Vulnerability","severity":"critical","exploited":true,"published_at":"2023-08-09T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2023-38180-microsoft-net-core-and-visual-studio-denial-of-service"},{"cve":"CVE-2022-38013","cvss":7.5,"epss":0.0149,"slug":"cve-2022-38013-microsoft-net-stack-overflow-in-asp-net-core-model-binding","title":"Microsoft .NET stack overflow in ASP.NET Core model binding","severity":"high","exploited":false,"published_at":"2022-09-15T03:25:36+00:00","url":"https://junglewise.ai/threats/cve-2022-38013-microsoft-net-stack-overflow-in-asp-net-core-model-binding"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":3},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Microsoft Windows","slug":"windows-","vulnerabilities":963,"url":"https://junglewise.ai/threats/technologies/windows-"},{"name":"Microsoft Windows 10","slug":"windows-10","vulnerabilities":588,"url":"https://junglewise.ai/threats/technologies/windows-10"},{"name":"Microsoft Windows 11","slug":"windows-11","vulnerabilities":493,"url":"https://junglewise.ai/threats/technologies/windows-11"},{"name":"Microsoft Windows Server 2012","slug":"windows-server-2012","vulnerabilities":293,"url":"https://junglewise.ai/threats/technologies/windows-server-2012"},{"name":"Microsoft Windows Server 2016","slug":"windows-server-2016","vulnerabilities":213,"url":"https://junglewise.ai/threats/technologies/windows-server-2016"},{"name":"Microsoft Windows Server 2019","slug":"windows-server-2019","vulnerabilities":211,"url":"https://junglewise.ai/threats/technologies/windows-server-2019"},{"name":"Microsoft Windows 11 24h2","slug":"windows-11-24h2","vulnerabilities":192,"url":"https://junglewise.ai/threats/technologies/windows-11-24h2"},{"name":"Microsoft Windows Server 2022","slug":"windows-server-2022","vulnerabilities":178,"url":"https://junglewise.ai/threats/technologies/windows-server-2022"},{"name":"Microsoft Edge","slug":"edge-chromium-based","vulnerabilities":167,"url":"https://junglewise.ai/threats/technologies/edge-chromium-based"},{"name":"Microsoft Windows 11 25h2","slug":"windows-11-25h2","vulnerabilities":161,"url":"https://junglewise.ai/threats/technologies/windows-11-25h2"},{"name":"Microsoft Windows 11 Version 26H1","slug":"windows-11-version-26h1","vulnerabilities":135,"url":"https://junglewise.ai/threats/technologies/windows-11-version-26h1"},{"name":"Microsoft Windows Server 2025","slug":"windows-server-2025","vulnerabilities":124,"url":"https://junglewise.ai/threats/technologies/windows-server-2025"}],"technology":{"hub":true,"name":"Microsoft Asp.net Core","slug":"asp-net-core","vendor":{"name":"Microsoft","slug":"microsoft","url":"https://junglewise.ai/threats/vendors/microsoft"},"aliases":[],"category":"framework","description":"Microsoft's open-source web framework for building web apps and services on .NET.","url":"https://junglewise.ai/threats/technologies/asp-net-core"},"most_severe":[{"cve":"CVE-2023-38180","cvss":7.5,"slug":"cve-2023-38180-microsoft-net-core-and-visual-studio-denial-of-service","title":"Microsoft .NET Core and Visual Studio Denial-of-Service Vulnerability","severity":"critical","exploited":true,"published_at":"2023-08-09T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2023-38180-microsoft-net-core-and-visual-studio-denial-of-service"},{"cve":"CVE-2026-40372","cvss":9.1,"epss":0.1035,"slug":"cve-2026-40372-microsoft-asp-net-core-privilege-escalation-via-improper","title":"Microsoft ASP.NET Core privilege escalation via improper signature verification","severity":"critical","exploited":false,"published_at":"2026-04-21T20:16:59.133+00:00","url":"https://junglewise.ai/threats/cve-2026-40372-microsoft-asp-net-core-privilege-escalation-via-improper"},{"cve":"CVE-2022-38013","cvss":7.5,"epss":0.0149,"slug":"cve-2022-38013-microsoft-net-stack-overflow-in-asp-net-core-model-binding","title":"Microsoft .NET stack overflow in ASP.NET Core model binding","severity":"high","exploited":false,"published_at":"2022-09-15T03:25:36+00:00","url":"https://junglewise.ai/threats/cve-2022-38013-microsoft-net-stack-overflow-in-asp-net-core-model-binding"},{"cve":"CVE-2026-26130","cvss":7.5,"epss":0.0137,"slug":"cve-2026-26130-microsoft-asp-net-core-denial-of-service-via-uncontrolled","title":"Microsoft ASP.NET Core denial of service via uncontrolled resource allocation","severity":"high","exploited":false,"published_at":"2026-03-10T18:18:42.223+00:00","url":"https://junglewise.ai/threats/cve-2026-26130-microsoft-asp-net-core-denial-of-service-via-uncontrolled"},{"cve":"CVE-2026-57099","cvss":7.5,"epss":0.012,"slug":"cve-2026-57099-microsoft-asp-net-core-resource-exhaustion-denial-of-service","title":"Microsoft ASP.NET Core resource exhaustion denial of service","severity":"high","exploited":false,"published_at":"2026-09-08T18:17:43.057+00:00","url":"https://junglewise.ai/threats/cve-2026-57099-microsoft-asp-net-core-resource-exhaustion-denial-of-service"},{"cve":"CVE-2026-42899","cvss":7.5,"epss":0.0118,"slug":"cve-2026-42899-microsoft-asp-net-core-infinite-loop-denial-of-service","title":"Microsoft ASP.NET Core infinite loop denial of service","severity":"high","exploited":false,"published_at":"2026-05-12T18:17:26.733+00:00","url":"https://junglewise.ai/threats/cve-2026-42899-microsoft-asp-net-core-infinite-loop-denial-of-service"},{"cve":"CVE-2026-45591","cvss":7.5,"epss":0.0077,"slug":"cve-2026-45591-microsoft-asp-net-core-uncontrolled-resource-consumption","title":"Microsoft ASP.NET Core uncontrolled resource consumption","severity":"high","exploited":false,"published_at":"2026-06-09T17:17:26.933+00:00","url":"https://junglewise.ai/threats/cve-2026-45591-microsoft-asp-net-core-uncontrolled-resource-consumption"},{"cve":"CVE-2026-69304","cvss":5.9,"epss":0.009,"slug":"cve-2026-69304-microsoft-asp-net-core-iis-middleware-denial-of-service-in","title":"Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny service over a netw","severity":"medium","exploited":false,"published_at":"2026-09-08T18:18:46.347+00:00","url":"https://junglewise.ai/threats/cve-2026-69304-microsoft-asp-net-core-iis-middleware-denial-of-service-in"},{"cvss":5.9,"slug":"microsoft-asp-net-core-iis-integration-denial-of-service-via-data-69730a19","title":"Microsoft ASP.NET Core IIS Integration denial of service via data amplification","severity":"medium","exploited":false,"published_at":"2026-09-08T18:32:21+00:00","url":"https://junglewise.ai/threats/microsoft-asp-net-core-iis-integration-denial-of-service-via-data-69730a19"}],"generated_at":"2026-09-26T09:24:00.138874+00:00"}