CVE-2026-70197

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"version": "16.11.0", "versionType": "custom"}]}, {"product": "Microsoft Visual Studio 2022 version 17.14", "vendor": "Microsoft", "versions": [{"lessThan": "17.14.43", "status": "affected", "version": "17.14.0", "versionType": "custom"}]}, {"product": "Microsoft Visual Studio 2026 version 18.10", "vendor": "Microsoft", "versions": [{"lessThan": "18.10.4", "status": "affected", "version": "18.10.0", "versionType": "custom"}]}, {"product": "Microsoft Visual Studio 2026 version 18.11", "vendor": "Microsoft", "versions": [{"lessThan": "18.11.2", "status": "affected", "version": "18.11.0", "versionType": "custom"}]}, {"product": "Microsoft Visual Studio 2026 version 18.12", "vendor": "Microsoft", "versions": [{"lessThan": "18.12 Insiders 3", "status": "affected", "version": "18.12.0", "versionType": "custom"}]}], "source": "secure@microsoft.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Out-of-bounds write in .NET allows an unauthorized attacker to execute code over a network."}], "id": "CVE-2026-70197", "lastModified": "2026-10-25T18:17:00.280", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "secure@microsoft.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-70197", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-08T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-10-13T19:19:33.790", "references": [{"source": "secure@microsoft.com", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70197"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "secure@microsoft.com", "type": "Secondary"}]}

{"bugzilla": {"description": "dotnet: dotnet: Arbitrary code execution via out-of-bounds write", "id": "2551007", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2551007"}, "csaw": false, "cwe": "CWE-787", "details": ["A flaw was found in .NET. An out-of-bounds write vulnerability allows an unauthenticated remote attacker to execute arbitrary code over the network. By sending specially crafted input to an affected application, an attacker can corrupt system memory and compromise the host environment."], "name": "CVE-2026-70197", "package_state": [{"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "dotnet8.0", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-10-13T19:00:26Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-70197\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-70197\nhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70197"], "threat_severity": "Important"}

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