CVE-2026-20492 (GCVE-0-2026-20492)

Vulnerability from cvelistv5 – Published: 2026-08-03 02:05 – Updated: 2026-08-03 02:05
VLAI
Summary
In Audio HAL, there is a possible system becoming unresponsive due to a race condition. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10960026 (Note: For MT6880, MT6890, MT6990, MT6988) / AUTO00851250 (Note: For MT2735, MT2737); Issue ID: MSV-7583.
Severity
No CVSS data available.
CWE
  • CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
Impacted products
Vendor Product Version
MediaTek, Inc. MediaTek chipset Affected: MT2735
Affected: MT2737
Affected: MT6880
Affected: MT6890
Affected: MT6988
Affected: MT6990
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "MediaTek chipset",
          "vendor": "MediaTek, Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "MT2735"
            },
            {
              "status": "affected",
              "version": "MT2737"
            },
            {
              "status": "affected",
              "version": "MT6880"
            },
            {
              "status": "affected",
              "version": "MT6890"
            },
            {
              "status": "affected",
              "version": "MT6988"
            },
            {
              "status": "affected",
              "version": "MT6990"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In Audio HAL, there is a possible system becoming unresponsive due to a race condition. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10960026 (Note: For MT6880, MT6890, MT6990, MT6988) / AUTO00851250 (Note: For MT2735, MT2737); Issue ID: MSV-7583."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-367",
              "description": "CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-03T02:05:59.198Z",
        "orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
        "shortName": "MediaTek"
      },
      "references": [
        {
          "url": "https://www.mediatek.com/product-security-bulletin/August-2026"
        }
      ],
      "x_generator": {
        "engine": "cvelib 1.8.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
    "assignerShortName": "MediaTek",
    "cveId": "CVE-2026-20492",
    "datePublished": "2026-08-03T02:05:59.198Z",
    "dateReserved": "2025-11-03T01:30:59.026Z",
    "dateUpdated": "2026-08-03T02:05:59.198Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-20492",
      "date": "2026-08-03",
      "epss": "0.00118",
      "percentile": "0.02002"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-20492\",\"sourceIdentifier\":\"security@mediatek.com\",\"published\":\"2026-08-03T03:16:44.330\",\"lastModified\":\"2026-08-03T03:16:44.330\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In Audio HAL, there is a possible system becoming unresponsive due to a race condition. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10960026 (Note: For MT6880, MT6890, MT6990, MT6988) / AUTO00851250 (Note: For MT2735, MT2737); Issue ID: MSV-7583.\"}],\"affected\":[{\"source\":\"security@mediatek.com\",\"affectedData\":[{\"vendor\":\"MediaTek, Inc.\",\"product\":\"MediaTek chipset\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"MT2735\",\"status\":\"affected\"},{\"version\":\"MT2737\",\"status\":\"affected\"},{\"version\":\"MT6880\",\"status\":\"affected\"},{\"version\":\"MT6890\",\"status\":\"affected\"},{\"version\":\"MT6988\",\"status\":\"affected\"},{\"version\":\"MT6990\",\"status\":\"affected\"}]}]}],\"metrics\":{},\"weaknesses\":[{\"source\":\"security@mediatek.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-367\"}]}],\"references\":[{\"url\":\"https://www.mediatek.com/product-security-bulletin/August-2026\",\"source\":\"security@mediatek.com\"}]}}"
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.