{"id":"CVE-2026-88781","state":"PUBLISHED","title":"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 subs","description":"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.","publishedAt":"2026-10-27T02:01:00.588Z","updatedAt":"2026-10-27T02:01:00.588Z","severity":{"score":6.8,"label":"Medium","version":"4.0","vector":"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":"ASUS"},"assigner":"ASUS","products":["ASUS motherboards firmware"],"affected":[{"vendor":"ASUS","product":"motherboards firmware","defaultStatus":"unaffected","versions":[{"version":"A520/B550 series Before 3644 4304","status":"affected","versionType":"custom"},{"version":"X570 Series Before 5054","status":"affected","versionType":"custom"},{"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","status":"affected"}]}],"references":["https://www.asus.com/security-advisory"],"weaknesses":["CWE-822"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/88xxx/CVE-2026-88781.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-88781","state":"PUBLISHED","datePublished":"2026-10-27T02:01:00.588Z","dateUpdated":"2026-10-27T02:01:00.588Z","assignerShortName":"ASUS","assignerOrgId":"54bf65a7-a193-42d2-b1ba-8e150d3c35e1","dateReserved":"2026-09-10T07:20:16.919Z"},"containers":{"cna":{"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."}],"affected":[{"vendor":"ASUS","product":"motherboards firmware","defaultStatus":"unaffected","versions":[{"version":"A520/B550 series Before 3644 4304","status":"affected","versionType":"custom"},{"version":"X570 Series Before 5054","status":"affected","versionType":"custom"},{"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","status":"affected"}]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-822","lang":"en","description":"CWE-822：Untrusted Pointer Dereference","type":"CWE"}]}],"providerMetadata":{"shortName":"ASUS","orgId":"54bf65a7-a193-42d2-b1ba-8e150d3c35e1","dateUpdated":"2026-10-27T02:01:00.588Z"},"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:*:*:*:*:*:*:*"}]}]}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}}}}}