{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90891", "assignerOrgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e", "state": "PUBLISHED", "assignerShortName": "twcert", "dateReserved": "2026-09-14T08:55:02.582Z", "datePublished": "2026-09-14T10:37:57.962Z", "dateUpdated": "2026-09-14T10:37:57.962Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e", "shortName": "twcert", "dateUpdated": "2026-09-14T10:37:57.962Z"}, "title": "ASRock\uff5cASRock Polychrome SYNC/RGB software utility - Improper Access Control", "datePublic": "2026-09-14T10:36:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-1256", "description": "CWE-1256 Improper Restriction of Software Interfaces to Hardware", "type": "CWE"}]}], "affected": [{"vendor": "ASRock", "product": "ASRock Polychrome SYNC/RGB for MB", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "1.0.118", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "ASRock", "product": "ASRock Polychrome SYNC/RGB for VGA", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "2.0.219", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "ASRock Polychrome SYNC/RGB software utility developed by ASRock Inc. has an Improper Access Control vulnerability. Authenticated local attackers can send a specially crafted IOCTL request to cause the driver to write to improperly restricted I/O ports, resulting in a forced operating system reboot.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>ASRock Polychrome SYNC/RGB software utility developed by ASRock Inc. has an Improper Access Control vulnerability. Authenticated local attackers can send a specially crafted IOCTL request to cause the driver to write to improperly restricted I/O ports, resulting in a forced operating system reboot.</p>"}]}], "references": [{"url": "https://www.twcert.org.tw/tw/cp-132-11205-f6677-1.html", "tags": ["third-party-advisory"]}, {"url": "https://www.twcert.org.tw/en/cp-139-11204-6b1c6-2.html", "tags": ["third-party-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 6.8, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "MEDIUM", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}}], "solutions": [{"lang": "en", "value": "Update ASRock Polychrome SYNC/RGB for MB to a version later than 1.0.118\nUpdate ASRock Polychrome SYNC/RGB for VGA to a version later than 2.0.219", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Update ASRock Polychrome SYNC/RGB for MB to a version later than 1.0.118<br>Update ASRock Polychrome SYNC/RGB for VGA to a version later than 2.0.219</p>"}]}], "source": {"advisory": "TVN-202609007", "discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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