{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-114155", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "state": "PUBLISHED", "assignerShortName": "microsoft", "dateReserved": "2026-10-20T21:56:39.317Z", "datePublished": "2026-11-10T18:19:16.288Z", "dateUpdated": "2026-11-10T20:09:28.325Z"}, "containers": {"cna": {"title": ".NET Elevation of Privilege Vulnerability", "datePublic": "2026-11-10T16:00:00.000Z", "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:microsoft.dotnet.hotreload.watch.aspire:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.300", "versionEndExcluding": "11.0.100"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net_10.0_installed_on_linux:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.0", "versionEndExcluding": "10.0.404"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net_10.0_installed_on_mac_os:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.0", "versionEndExcluding": "10.0.404"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net_11.0_installed_on_linux:*:*:*:*:*:*:*:*", "versionStartIncluding": "11.0.0-preview.1", "versionEndExcluding": "11.0.100"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net_11.0_installed_on_mac_os:*:*:*:*:*:*:*:*", "versionStartIncluding": "11.0.0-preview.1", "versionEndExcluding": "11.0.100"}]}]}], "affected": [{"vendor": "Microsoft", "product": ".NET 10.0 installed on Linux", "versions": [{"version": "10.0.0", "lessThan": "10.0.404", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": ".NET 10.0 installed on Mac OS", "versions": [{"version": "10.0.0", "lessThan": "10.0.404", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": ".NET 11.0 installed on Linux", "versions": [{"version": "11.0.0-preview.1", "lessThan": "11.0.100", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": ".NET 11.0 installed on Mac OS", "versions": [{"version": "11.0.0-preview.1", "lessThan": "11.0.100", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft.DotNet.HotReload.Watch.Aspire", "platforms": ["Linux", "Mac OS"], "versions": [{"version": "10.0.300", "lessThan": "11.0.100", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "Time-of-check time-of-use (toctou) race condition in .NET allows an authorized attacker to elevate privileges locally.", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition", "lang": "en-US", "type": "CWE", "cweId": "CWE-367"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-11-10T19:39:31.010Z"}, "references": [{"name": ".NET Elevation of Privilege Vulnerability", "tags": ["vendor-advisory", "patch"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-114155"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C"}}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-114155", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-11-10T20:03:02.496538Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-10T20:09:28.325Z"}}]}}

{}

{"affected": [{"affectedData": [{"product": ".NET 10.0 installed on Linux", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.404", "status": "affected", "version": "10.0.0", "versionType": "custom"}]}, {"product": ".NET 10.0 installed on Mac OS", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.404", "status": "affected", "version": "10.0.0", "versionType": "custom"}]}, {"product": ".NET 11.0 installed on Linux", "vendor": "Microsoft", "versions": [{"lessThan": "11.0.100", "status": "affected", "version": "11.0.0-preview.1", "versionType": "custom"}]}, {"product": ".NET 11.0 installed on Mac OS", "vendor": "Microsoft", "versions": [{"lessThan": "11.0.100", "status": "affected", "version": "11.0.0-preview.1", "versionType": "custom"}]}, {"platforms": ["Linux", "Mac OS"], "product": "Microsoft.DotNet.HotReload.Watch.Aspire", "vendor": "Microsoft", "versions": [{"lessThan": "11.0.100", "status": "affected", "version": "10.0.300", "versionType": "custom"}]}], "source": "secure@microsoft.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Time-of-check time-of-use (toctou) race condition in .NET allows an authorized attacker to elevate privileges locally."}], "id": "CVE-2026-114155", "lastModified": "2026-11-10T20:18:01.740", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 6.0, "source": "secure@microsoft.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-114155", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-11-10T20:03:02.496538Z", "version": "2.0.3"}}]}, "published": "2026-11-10T19:19:08.783", "references": [{"source": "secure@microsoft.com", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-114155"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-367"}], "source": "secure@microsoft.com", "type": "Secondary"}]}

{}

{}