{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-88781","assignerOrgId":"54bf65a7-a193-42d2-b1ba-8e150d3c35e1","state":"PUBLISHED","assignerShortName":"ASUS","dateReserved":"2026-09-10T07:20:16.919Z","datePublished":"2026-10-27T02:01:00.588Z","dateUpdated":"2026-10-27T02:01:00.588Z"},"containers":{"cna":{"providerMetadata":{"orgId":"54bf65a7-a193-42d2-b1ba-8e150d3c35e1","shortName":"ASUS","dateUpdated":"2026-10-27T02:01:00.588Z"},"problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-822","description":"CWE-822：Untrusted Pointer Dereference","type":"CWE"}]}],"affected":[{"vendor":"ASUS","product":"motherboards firmware","versions":[{"status":"affected","version":"A520/B550 series Before 3644 4304","versionType":"custom"},{"status":"affected","version":"X570 Series Before 5054","versionType":"custom"},{"status":"affected","version":"A620/A620A Series Before 4003 4004"},{"status":"affected","version":"B650 Series Before 1303 4003 4004"},{"status":"affected","version":"X670 Series Before 4003 4004"},{"status":"affected","version":"B840 Series Before 1804"},{"status":"affected","version":"B850 Series Before 1103 1804 2503"},{"status":"affected","version":"X870 Series Before 1804 2503"},{"status":"affected","version":"X870E Series \tBefore 1103 2503"},{"status":"affected","version":"Knoll Series Before 4003"},{"status":"affected","version":"TRX50 Series Before 0703 1403"},{"status":"affected","version":"W790 Series Before 2101"},{"status":"affected","version":"WRX90 Series Before 1403"}],"defaultStatus":"unaffected"}],"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:asus:motherboards_firmware:a520_b550_series_before_3644_4304:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:asus:motherboards_firmware:x570_series_before_5054:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:asus:motherboards_firmware:a620_a620a_series_before_4003_4004:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:asus:motherboards_firmware:b650_series_before_1303_4003_4004:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:asus:motherboards_firmware:x670_series_before_4003_4004:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:asus:motherboards_firmware:b840_series_before_1804:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:asus:motherboards_firmware:b850_series_before_1103_1804_2503:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:asus:motherboards_firmware:x870_series_before_1804_2503:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:asus:motherboards_firmware:x870e_series_before_1103_2503:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:asus:motherboards_firmware:knoll_series_before_4003:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:asus:motherboards_firmware:trx50_series_before_0703_1403:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:asus:motherboards_firmware:w790_series_before_2101:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:asus:motherboards_firmware:wrx90_series_before_1403:*:*:*:*:*:*:*"}]}]}],"descriptions":[{"lang":"en","value":"Untrusted Pointer Dereference in ASUS certain motherboards firmware allows a kernel-level privileges user can supply an arbitrary memory address via an I/O command, leading to subsequent system information being tampered with or causing a system crash.\nRefer to the 'Security Update for Multiple ASUS Motherboards' section on the ASUS Security Advisory for more information.","supportingMedia":[{"type":"text/html","base64":false,"value":"Untrusted Pointer Dereference in ASUS certain motherboards firmware&nbsp;allows a kernel-level privileges&nbsp;user can supply an arbitrary memory address via an I/O command, leading to subsequent system information being tampered with or causing a system crash.<br>Refer to the 'Security Update for Multiple ASUS Motherboards' section on the ASUS Security Advisory for more information."}]}],"references":[{"url":"https://www.asus.com/security-advisory"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","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:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N"}}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}}}}