FKIE_CVE-2026-88781

Vulnerability from fkie_nvd - Published: 2026-10-27 03:16 - Updated: 2026-11-03 21:17
Severity
6.8 (Medium) - 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
Summary
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. Refer to the 'Security Update for Multiple ASUS Motherboards' section on the ASUS Security Advisory for more information.
References
54bf65a7-a193-42d2-b1ba-8e150d3c35e1https://www.asus.com/security-advisory
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "motherboards firmware",
          "vendor": "ASUS",
          "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"
            }
          ]
        }
      ],
      "source": "54bf65a7-a193-42d2-b1ba-8e150d3c35e1"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Untrusted Pointer Dereference in ASUS certain motherboards firmware\u00a0allows a kernel-level privileges\u00a0user 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 \u0027Security Update for Multiple ASUS Motherboards\u0027 section on the ASUS Security Advisory for more information."
    }
  ],
  "id": "CVE-2026-88781",
  "lastModified": "2026-11-03T21:17:45.080",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "LOCAL",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "HIGH",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "54bf65a7-a193-42d2-b1ba-8e150d3c35e1",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-88781",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-11-03T20:23:32.819330Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-10-27T03:16:26.663",
  "references": [
    {
      "source": "54bf65a7-a193-42d2-b1ba-8e150d3c35e1",
      "url": "https://www.asus.com/security-advisory"
    }
  ],
  "sourceIdentifier": "54bf65a7-a193-42d2-b1ba-8e150d3c35e1",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-822"
        }
      ],
      "source": "54bf65a7-a193-42d2-b1ba-8e150d3c35e1",
      "type": "Secondary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

Loading timeline…




    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.