{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-111880", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-17T12:15:56.789Z", "datePublished": "2026-10-17T18:46:08.393Z", "dateUpdated": "2026-10-17T18:46:08.393Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-17T18:46:08.393Z" }, "datePublic": "2026-10-02T00:00:00.000Z", "title": "FreeRDP 2.0.0 before 3.32.0 Heap Out-of-Bounds Write via NTLM MIC Offset", "descriptions": [ { "lang": "en", "value": "FreeRDP versions from 2.0.0 before 3.32.0 contain a heap out-of-bounds write in the server hash-callback NTLM path that fails to validate the MIC offset. Unauthenticated attackers can send a crafted AUTHENTICATE_MESSAGE with a backward session-key offset and MIC offset to write 16 zero bytes beyond the allocation." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Out-of-bounds Write", "cweId": "CWE-787", "type": "CWE" } ] } ], "affected": [ { "vendor": "FreeRDP", "product": "FreeRDP", "defaultStatus": "unaffected", "versions": [ { "version": "2.0.0", "status": "affected", "versionType": "semver", "lessThan": "3.32.0" }, { "version": "3.32.0", "status": "unaffected", "versionType": "semver" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.0.0", "versionEndExcluding": "3.32.0" } ] } ] } ], "metrics": [ { "format": "CVSS", "cvssV4_0": { "version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.3, "baseSeverity": "HIGH" } }, { "format": "CVSS", "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.4, "baseSeverity": "HIGH" } } ], "references": [ { "url": "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-cmgx-558f-vh67", "tags": [ "vendor-advisory" ], "name": "GitHub Security Advisory (GHSA-cmgx-558f-vh67)" }, { "name": "VulnCheck Advisory: FreeRDP 2.0.0 before 3.32.0 Heap Out-of-Bounds Write via NTLM MIC Offset", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/freerdp-2.0.0-before-3.32.0-heap-out-of-bounds-write-via-ntlm-mic-offset" } ], "credits": [ { "lang": "en", "value": "Kushalkhemka", "type": "finder" }, { "lang": "en", "value": "mayank-jangid-moon", "type": "finder" }, { "lang": "en", "value": "skigeek16", "type": "finder" }, { "lang": "en", "value": "opensec-intelligence", "type": "finder" } ], "x_generator": { "engine": "vulncheck-endgame" } } } }