{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-50649", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "state": "PUBLISHED", "assignerShortName": "microsoft", "dateReserved": "2026-06-05T14:33:50.830Z", "datePublished": "2026-07-14T19:29:57.970Z", "dateUpdated": "2026-07-17T21:31:53.588Z"}, "containers": {"cna": {"title": ".NET Remote Code Execution Vulnerability", "datePublic": "2026-07-14T14:00:00.000Z", "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "versionStartIncluding": "8.0.0", "versionEndExcluding": "8.0.29"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "versionStartIncluding": "9.0.0", "versionEndExcluding": "9.0.18"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*", "versionStartIncluding": "18.0", "versionEndExcluding": "18.7.4"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8.0", "versionEndExcluding": "4.8.4803.0"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8.0", "versionEndExcluding": "2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7.0", "versionEndExcluding": "2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7.0", "versionEndExcluding": "4.7.4143.0"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8.1", "versionEndExcluding": "2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5.0", "versionEndExcluding": "2.0.50727.8983 & 3.0.30729.8978"}]}]}], "affected": [{"vendor": "Microsoft", "product": ".NET 8.0", "versions": [{"version": "8.0.0", "lessThan": "8.0.29", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": ".NET 9.0", "versions": [{"version": "9.0.0", "lessThan": "9.0.18", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft .NET Framework 3.5", "platforms": ["Windows Server 2012", "Windows Server 2012 (Server Core installation)", "Windows Server 2012 R2", "Windows Server 2012 R2 (Server Core installation)"], "versions": [{"version": "3.5.0", "lessThan": "2.0.50727.8983 & 3.0.30729.8978", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft .NET Framework 3.5 AND 4.7.2", "platforms": ["Windows 10 Version 1607 for 32-bit Systems", "Windows 10 Version 1607 for x64-based Systems", "Windows 10 Version 1809 for 32-bit Systems", "Windows 10 Version 1809 for x64-based Systems", "Windows Server 2016", "Windows Server 2016 (Server Core installation)", "Windows Server 2019", "Windows Server 2019 (Server Core installation)"], "versions": [{"version": "4.7.0", "lessThan": "2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft .NET Framework 3.5 AND 4.8", "platforms": ["Windows 10 Version 1809 for 32-bit Systems", "Windows 10 Version 1809 for x64-based Systems", "Windows 10 Version 21H2 for 32-bit Systems", "Windows 10 Version 21H2 for ARM64-based Systems", "Windows 10 Version 21H2 for x64-based Systems", "Windows 10 Version 22H2 for 32-bit Systems", "Windows 10 Version 22H2 for ARM64-based Systems", "Windows 10 Version 22H2 for x64-based Systems", "Windows Server 2019", "Windows Server 2019 (Server Core installation)", "Windows Server 2022", "Windows Server 2022 (Server Core installation)"], "versions": [{"version": "4.8.0", "lessThan": "2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft .NET Framework 3.5 AND 4.8.1", "platforms": ["Windows 10 Version 21H2 for 32-bit Systems", "Windows 10 Version 21H2 for ARM64-based Systems", "Windows 10 Version 21H2 for x64-based Systems", "Windows 10 Version 22H2 for 32-bit Systems", "Windows 10 Version 22H2 for ARM64-based Systems", "Windows 10 Version 22H2 for x64-based Systems", "Windows 11 Version 23H2 for ARM64-based Systems", "Windows 11 Version 23H2 for x64-based Systems", "Windows 11 Version 24H2 for ARM64-based Systems", "Windows 11 Version 24H2 for x64-based Systems", "Windows 11 Version 25H2 for ARM64-based Systems", "Windows 11 Version 25H2 for x64-based Systems", "Windows 11 Version 26H1 for ARM64-based Systems", "Windows 11 version 26H1 for x64-based Systems", "Windows Server 2022", "Windows Server 2022 (Server Core installation)", "Windows Server 2025", "Windows Server 2025 (Server Core installation)"], "versions": [{"version": "4.8.1", "lessThan": "2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2", "platforms": ["Windows Server 2012", "Windows Server 2012 (Server Core installation)", "Windows Server 2012 R2", "Windows Server 2012 R2 (Server Core installation)"], "versions": [{"version": "4.7.0", "lessThan": "4.7.4143.0", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft .NET Framework 4.8", "platforms": ["Windows 10 Version 1607 for 32-bit Systems", "Windows 10 Version 1607 for x64-based Systems", "Windows Server 2012", "Windows Server 2012 (Server Core installation)", "Windows Server 2012 R2", "Windows Server 2012 R2 (Server Core installation)", "Windows Server 2016", "Windows Server 2016 (Server Core installation)"], "versions": [{"version": "4.8.0", "lessThan": "4.8.4803.0", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Visual Studio 2026 version 18.7", "versions": [{"version": "18.0", "lessThan": "18.7.4", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "Deserialization of untrusted data in .NET allows an unauthorized attacker to execute code locally.", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "CWE-502: Deserialization of Untrusted Data", "lang": "en-US", "type": "CWE", "cweId": "CWE-502"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-07-17T21:31:53.588Z"}, "references": [{"name": ".NET Remote Code Execution Vulnerability", "tags": ["vendor-advisory", "patch"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50649"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-15T03:57:18.474365Z", "id": "CVE-2026-50649", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-15T11:00:46.304Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-50649", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-07-15T03:57:18.474365Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-15T11:00:39.975Z"}}], "cna": {"title": ".NET Remote Code Execution Vulnerability", "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "baseScore": 7.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}, "scenarios": [{"lang": "en-US", "value": "GENERAL"}]}], "affected": [{"vendor": "Microsoft", "product": ".NET 8.0", "versions": [{"status": "affected", "version": "8.0.0", "lessThan": "8.0.29", "versionType": "custom"}]}, {"vendor": "Microsoft", "product": ".NET 9.0", "versions": [{"status": "affected", "version": "9.0.0", "lessThan": "9.0.18", "versionType": "custom"}]}, {"vendor": "Microsoft", "product": "Microsoft .NET Framework 3.5", "versions": [{"status": "affected", "version": "3.5.0", "lessThan": "2.0.50727.8983 & 3.0.30729.8978", "versionType": "custom"}], "platforms": ["Windows Server 2012", "Windows Server 2012 (Server Core installation)", "Windows Server 2012 R2", "Windows Server 2012 R2 (Server Core installation)"]}, {"vendor": "Microsoft", "product": "Microsoft .NET Framework 3.5 AND 4.7.2", "versions": [{"status": "affected", "version": "4.7.0", "lessThan": "2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0", "versionType": "custom"}], "platforms": ["Windows 10 Version 1607 for 32-bit Systems", "Windows 10 Version 1607 for x64-based Systems", "Windows 10 Version 1809 for 32-bit Systems", "Windows 10 Version 1809 for x64-based Systems", "Windows Server 2016", "Windows Server 2016 (Server Core installation)", "Windows Server 2019", "Windows Server 2019 (Server Core installation)"]}, {"vendor": "Microsoft", "product": "Microsoft .NET Framework 3.5 AND 4.8", "versions": [{"status": "affected", "version": "4.8.0", "lessThan": "2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0", "versionType": "custom"}], "platforms": ["Windows 10 Version 1809 for 32-bit Systems", "Windows 10 Version 1809 for x64-based Systems", "Windows 10 Version 21H2 for 32-bit Systems", "Windows 10 Version 21H2 for ARM64-based Systems", "Windows 10 Version 21H2 for x64-based Systems", "Windows 10 Version 22H2 for 32-bit Systems", "Windows 10 Version 22H2 for ARM64-based Systems", "Windows 10 Version 22H2 for x64-based Systems", "Windows Server 2019", "Windows Server 2019 (Server Core installation)", "Windows Server 2022", "Windows Server 2022 (Server Core installation)"]}, {"vendor": "Microsoft", "product": "Microsoft .NET Framework 3.5 AND 4.8.1", "versions": [{"status": "affected", "version": "4.8.1", "lessThan": "2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0", "versionType": "custom"}], "platforms": ["Windows 10 Version 21H2 for 32-bit Systems", "Windows 10 Version 21H2 for ARM64-based Systems", "Windows 10 Version 21H2 for x64-based Systems", "Windows 10 Version 22H2 for 32-bit Systems", "Windows 10 Version 22H2 for ARM64-based Systems", "Windows 10 Version 22H2 for x64-based Systems", "Windows 11 Version 23H2 for ARM64-based Systems", "Windows 11 Version 23H2 for x64-based Systems", "Windows 11 Version 24H2 for ARM64-based Systems", "Windows 11 Version 24H2 for x64-based Systems", "Windows 11 Version 25H2 for ARM64-based Systems", "Windows 11 Version 25H2 for x64-based Systems", "Windows 11 Version 26H1 for ARM64-based Systems", "Windows 11 version 26H1 for x64-based Systems", "Windows Server 2022", "Windows Server 2022 (Server Core installation)", "Windows Server 2025", "Windows Server 2025 (Server Core installation)"]}, {"vendor": "Microsoft", "product": "Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2", "versions": [{"status": "affected", "version": "4.7.0", "lessThan": "4.7.4143.0", "versionType": "custom"}], "platforms": ["Windows Server 2012", "Windows Server 2012 (Server Core installation)", "Windows Server 2012 R2", "Windows Server 2012 R2 (Server Core installation)"]}, {"vendor": "Microsoft", "product": "Microsoft .NET Framework 4.8", "versions": [{"status": "affected", "version": "4.8.0", "lessThan": "4.8.4803.0", "versionType": "custom"}], "platforms": ["Windows 10 Version 1607 for 32-bit Systems", "Windows 10 Version 1607 for x64-based Systems", "Windows Server 2012", "Windows Server 2012 (Server Core installation)", "Windows Server 2012 R2", "Windows Server 2012 R2 (Server Core installation)", "Windows Server 2016", "Windows Server 2016 (Server Core installation)"]}, {"vendor": "Microsoft", "product": "Microsoft Visual Studio 2026 version 18.7", "versions": [{"status": "affected", "version": "18.0", "lessThan": "18.7.4", "versionType": "custom"}]}], "datePublic": "2026-07-14T14:00:00.000Z", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50649", "name": ".NET Remote Code Execution Vulnerability", "tags": ["vendor-advisory", "patch"]}], "descriptions": [{"lang": "en-US", "value": "Deserialization of untrusted data in .NET allows an unauthorized attacker to execute code locally."}], "problemTypes": [{"descriptions": [{"lang": "en-US", "type": "CWE", "cweId": "CWE-502", "description": "CWE-502: Deserialization of Untrusted Data"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "8.0.29", "versionStartIncluding": "8.0.0"}, {"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "9.0.18", "versionStartIncluding": "9.0.0"}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "18.7.4", "versionStartIncluding": "18.0"}, {"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.8.4803.0", "versionStartIncluding": "4.8.0"}, {"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0", "versionStartIncluding": "4.8.0"}, {"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0", "versionStartIncluding": "4.7.0"}, {"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.7.4143.0", "versionStartIncluding": "4.7.0"}, {"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0", "versionStartIncluding": "4.8.1"}, {"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "2.0.50727.8983 & 3.0.30729.8978", "versionStartIncluding": "3.5.0"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-07-15T22:25:50.990Z"}}}, "cveMetadata": {"cveId": "CVE-2026-50649", "state": "PUBLISHED", "dateUpdated": "2026-07-15T22:25:50.990Z", "dateReserved": "2026-06-05T14:33:50.830Z", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "datePublished": "2026-07-14T19:29:57.970Z", "assignerShortName": "microsoft"}, "dataVersion": "5.2"}

{}

{"affected_release": [{"advisory": "RHSA-2026:27171", "cpe": "cpe:/a:redhat:hummingbird:1", "impact": "important", "package": "dotnet9-0-main-9.0.118-1.hum1", "product_name": "Red Hat Hardened Images", "release_date": "2026-06-19T00:00:00Z"}], "bugzilla": {"description": "dotnet: .NET: Local code execution via deserialization of untrusted data", "id": "2500563", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500563"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-502", "details": ["Deserialization of untrusted data in .NET allows an unauthorized attacker to execute code locally.", "A flaw was found in .NET. This vulnerability allows an unauthorized attacker to execute code locally by exploiting a deserialization of untrusted data. This means that if an attacker can provide specially crafted data, the .NET application may process it in a way that leads to the execution of malicious code on the system where the application is running."], "name": "CVE-2026-50649", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "dotnet10.0", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "dotnet8.0", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "dotnet9.0", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "dotnet10.0", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "dotnet8.0", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "dotnet9.0", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "dotnet10.0", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "dotnet8.0", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "dotnet9.0", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "impact": "important", "package_name": "dotnet10.0", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "impact": "important", "package_name": "dotnet8.0", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3", "fix_state": "Not affected", "package_name": "devspaces/udi-rhel9", "product_name": "Red Hat OpenShift Dev Spaces"}], "public_date": "2026-07-14T19:29:57Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-50649\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-50649\nhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50649"], "threat_severity": "Important"}