Vulnerability-Lookup

CVE-2026-88781 (GCVE-0-2026-88781)

Vulnerability from cvelistv5 – Published: 2026-10-27 02:01 – Updated: 2026-10-27 02:01

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.

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

CWE

CWE-822 - Untrusted Pointer Dereference

Assigner

ASUS CNA under the icscert root

CNA scorecard C 72/100 over 46 records in the last 180 days details

References

1 reference

URL	Tags
https://www.asus.com/security-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
ASUS	motherboards firmware	Affected: A520/B550 series Before 3644 4304 (custom) Affected: X570 Series Before 5054 (custom) Affected: A620/A620A Series Before 4003 4004 Affected: B650 Series Before 1303 4003 4004 Affected: X670 Series Before 4003 4004 Affected: B840 Series Before 1804 Affected: B850 Series Before 1103 1804 2503 Affected: X870 Series Before 1804 2503 Affected: X870E Series Before 1103 2503 Affected: Knoll Series Before 4003 Affected: TRX50 Series Before 0703 1403 Affected: W790 Series Before 2101 Affected: WRX90 Series Before 1403 cpe:2.3:a:asus:motherboards_firmware:a520_b550_series_before_3644_4304:::::::* cpe:2.3:a:asus:motherboards_firmware:x570_series_before_5054:::::::* cpe:2.3:a:asus:motherboards_firmware:a620_a620a_series_before_4003_4004:::::::* cpe:2.3:a:asus:motherboards_firmware:b650_series_before_1303_4003_4004:::::::* cpe:2.3:a:asus:motherboards_firmware:x670_series_before_4003_4004:::::::* cpe:2.3:a:asus:motherboards_firmware:b840_series_before_1804:::::::* cpe:2.3:a:asus:motherboards_firmware:b850_series_before_1103_1804_2503:::::::* cpe:2.3:a:asus:motherboards_firmware:x870_series_before_1804_2503:::::::* cpe:2.3:a:asus:motherboards_firmware:x870e_series_before_1103_2503:::::::* cpe:2.3:a:asus:motherboards_firmware:knoll_series_before_4003:::::::* cpe:2.3:a:asus:motherboards_firmware:trx50_series_before_0703_1403:::::::* cpe:2.3:a:asus:motherboards_firmware:w790_series_before_2101:::::::* cpe:2.3:a:asus:motherboards_firmware:wrx90_series_before_1403:::::::*

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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      "affected": [
        {
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          "product": "motherboards firmware",
          "vendor": "ASUS",
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              "versionType": "custom"
            },
            {
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            },
            {
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              "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"
            }
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        }
      ],
      "metrics": [
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            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 6.8,
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            "privilegesRequired": "HIGH",
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      "providerMetadata": {
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        "orgId": "54bf65a7-a193-42d2-b1ba-8e150d3c35e1",
        "shortName": "ASUS"
      },
      "references": [
        {
          "url": "https://www.asus.com/security-advisory"
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      "source": {
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    "assignerShortName": "ASUS",
    "cveId": "CVE-2026-88781",
    "datePublished": "2026-10-27T02:01:00.588Z",
    "dateReserved": "2026-09-10T07:20:16.919Z",
    "dateUpdated": "2026-10-27T02:01:00.588Z",
    "state": "PUBLISHED"
  },
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  "vulnerability-lookup:meta": {
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      "date": "2026-10-29",
      "epss": "0.00112",
      "percentile": "0.01356"
    },
    "nvd": {
      "cve": {
        "affected": [
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                "defaultStatus": "unaffected",
                "product": "motherboards firmware",
                "vendor": "ASUS",
                "versions": [
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                    "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"
                  },
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                    "status": "affected",
                    "version": "WRX90 Series Before 1403"
                  }
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          }
        ],
        "id": "CVE-2026-88781",
        "lastModified": "2026-10-27T16:03:45.247",
        "metrics": {
          "cvssMetricV40": [
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                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
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                "attackVector": "LOCAL",
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                "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",
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                "version": "4.0",
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                "vulnerabilityResponseEffort": "NOT_DEFINED"
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              "source": "54bf65a7-a193-42d2-b1ba-8e150d3c35e1",
              "type": "Secondary"
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        "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",
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            "type": "Secondary"
          }
        ]
      }
    }
  }
}

FKIE_CVE-2026-88781

Vulnerability from fkie_nvd - Published: 2026-10-27 03:16 - Updated: 2026-10-27 16:03

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

References

	URL	Tags
	54bf65a7-a193-42d2-b1ba-8e150d3c35e1	https://www.asus.com/security-advisory

Impacted products

	Vendor	Product	Version

JSON

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"
    }
  ],
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    {
      "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": "2026-10-27T16:03:45.247",
  "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",
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          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "54bf65a7-a193-42d2-b1ba-8e150d3c35e1",
        "type": "Secondary"
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  "published": "2026-10-27T03:16:26.663",
  "references": [
    {
      "source": "54bf65a7-a193-42d2-b1ba-8e150d3c35e1",
      "url": "https://www.asus.com/security-advisory"
    }
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  "vulnStatus": "Awaiting Analysis",
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          "lang": "en",
          "value": "CWE-822"
        }
      ],
      "source": "54bf65a7-a193-42d2-b1ba-8e150d3c35e1",
      "type": "Secondary"
    }
  ]
}

GHSA-R2VP-5H4M-7J3C

Vulnerability from github – Published: 2026-10-27 03:32 – Updated: 2026-10-27 03:32

Details

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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-88781"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-822"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-10-27T03:16:26Z",
    "severity": "MODERATE"
  },
  "details": "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": "GHSA-r2vp-5h4m-7j3c",
  "modified": "2026-10-27T03:32:11Z",
  "published": "2026-10-27T03:32:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-88781"
    },
    {
      "type": "WEB",
      "url": "https://www.asus.com/security-advisory"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ]
}

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

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

CVE-2026-88781 (GCVE-0-2026-88781)

FKIE_CVE-2026-88781

GHSA-R2VP-5H4M-7J3C

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Vulnerability timeline

Related by attack behaviour