Vulnerability-Lookup

CVE-2026-20516 (GCVE-0-2026-20516)

Vulnerability from cvelistv5 – Published: 2026-09-07 01:57 – Updated: 2026-09-07 10:36

Summary

In MiracastService, there is a possible escalation of privilege due to a confused deputy. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11060069 / DTV04881615; Issue ID: MSV-7882.

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-07 10:36 UTC

CWE

CWE-926 - Improper Export of Android Application Components

Assigner

MediaTek mitre root

References

1 reference

URL	Tags
https://www.mediatek.com/product-security-bulleti…

Impacted products

1 product

Vendor	Product	Version	CPE status
MediaTek, Inc.	MediaTek chipset	Affected: MT5586 Affected: MT5862 Affected: MT5867 Affected: MT5870 Affected: MT5871 Affected: MT5872 Affected: MT5873 Affected: MT5876 Affected: MT5877 Affected: MT5879 Affected: MT5888 Affected: MT5889 Affected: MT5895 Affected: MT5896 Affected: MT5897 Affected: MT9015 Affected: MT9025 Affected: MT9026 Affected: MT9027 Affected: MT9032 Affected: MT9603 Affected: MT9618 Affected: MT9633 Affected: MT9649 Affected: MT9660 Affected: MT9676 Affected: MT9687 Affected: MT9689 Affected: MT9972	guessed

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-20516",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-07T10:36:14.560696Z",
                "version": "2.0.3"
              },
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            }
          }
        ],
        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "MediaTek chipset",
          "vendor": "MediaTek, Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "MT5586"
            },
            {
              "status": "affected",
              "version": "MT5862"
            },
            {
              "status": "affected",
              "version": "MT5867"
            },
            {
              "status": "affected",
              "version": "MT5870"
            },
            {
              "status": "affected",
              "version": "MT5871"
            },
            {
              "status": "affected",
              "version": "MT5872"
            },
            {
              "status": "affected",
              "version": "MT5873"
            },
            {
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            },
            {
              "status": "affected",
              "version": "MT5877"
            },
            {
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            },
            {
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            },
            {
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            },
            {
              "status": "affected",
              "version": "MT5895"
            },
            {
              "status": "affected",
              "version": "MT5896"
            },
            {
              "status": "affected",
              "version": "MT5897"
            },
            {
              "status": "affected",
              "version": "MT9015"
            },
            {
              "status": "affected",
              "version": "MT9025"
            },
            {
              "status": "affected",
              "version": "MT9026"
            },
            {
              "status": "affected",
              "version": "MT9027"
            },
            {
              "status": "affected",
              "version": "MT9032"
            },
            {
              "status": "affected",
              "version": "MT9603"
            },
            {
              "status": "affected",
              "version": "MT9618"
            },
            {
              "status": "affected",
              "version": "MT9633"
            },
            {
              "status": "affected",
              "version": "MT9649"
            },
            {
              "status": "affected",
              "version": "MT9660"
            },
            {
              "status": "affected",
              "version": "MT9676"
            },
            {
              "status": "affected",
              "version": "MT9687"
            },
            {
              "status": "affected",
              "version": "MT9689"
            },
            {
              "status": "affected",
              "version": "MT9972"
            }
          ]
        }
      ],
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        {
          "lang": "en",
          "value": "In MiracastService, there is a possible escalation of privilege due to a confused deputy. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11060069 / DTV04881615; Issue ID: MSV-7882."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-926",
              "description": "CWE-926 Improper Export of Android Application Components",
              "lang": "en",
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            }
          ]
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      "providerMetadata": {
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        "orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
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      },
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          "url": "https://www.mediatek.com/product-security-bulletin/September-2026"
        }
      ],
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      }
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  "cveMetadata": {
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    "datePublished": "2026-09-07T01:57:20.217Z",
    "dateReserved": "2025-11-03T01:30:59.031Z",
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    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-20516",
      "date": "2026-09-13",
      "epss": "0.00094",
      "percentile": "0.0066"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-20516\",\"sourceIdentifier\":\"security@mediatek.com\",\"published\":\"2026-09-07T02:17:20.360\",\"lastModified\":\"2026-09-08T18:38:19.590\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In MiracastService, there is a possible escalation of privilege due to a confused deputy. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11060069 / DTV04881615; Issue ID: MSV-7882.\"}],\"affected\":[{\"source\":\"security@mediatek.com\",\"affectedData\":[{\"vendor\":\"MediaTek, Inc.\",\"product\":\"MediaTek chipset\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"MT5586\",\"status\":\"affected\"},{\"version\":\"MT5862\",\"status\":\"affected\"},{\"version\":\"MT5867\",\"status\":\"affected\"},{\"version\":\"MT5870\",\"status\":\"affected\"},{\"version\":\"MT5871\",\"status\":\"affected\"},{\"version\":\"MT5872\",\"status\":\"affected\"},{\"version\":\"MT5873\",\"status\":\"affected\"},{\"version\":\"MT5876\",\"status\":\"affected\"},{\"version\":\"MT5877\",\"status\":\"affected\"},{\"version\":\"MT5879\",\"status\":\"affected\"},{\"version\":\"MT5888\",\"status\":\"affected\"},{\"version\":\"MT5889\",\"status\":\"affected\"},{\"version\":\"MT5895\",\"status\":\"affected\"},{\"version\":\"MT5896\",\"status\":\"affected\"},{\"version\":\"MT5897\",\"status\":\"affected\"},{\"version\":\"MT9015\",\"status\":\"affected\"},{\"version\":\"MT9025\",\"status\":\"affected\"},{\"version\":\"MT9026\",\"status\":\"affected\"},{\"version\":\"MT9027\",\"status\":\"affected\"},{\"version\":\"MT9032\",\"status\":\"affected\"},{\"version\":\"MT9603\",\"status\":\"affected\"},{\"version\":\"MT9618\",\"status\":\"affected\"},{\"version\":\"MT9633\",\"status\":\"affected\"},{\"version\":\"MT9649\",\"status\":\"affected\"},{\"version\":\"MT9660\",\"status\":\"affected\"},{\"version\":\"MT9676\",\"status\":\"affected\"},{\"version\":\"MT9687\",\"status\":\"affected\"},{\"version\":\"MT9689\",\"status\":\"affected\"},{\"version\":\"MT9972\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-09-07T10:36:14.560696Z\",\"id\":\"CVE-2026-20516\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"security@mediatek.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-926\"}]}],\"references\":[{\"url\":\"https://www.mediatek.com/product-security-bulletin/September-2026\",\"source\":\"security@mediatek.com\"}]}}",
    "vulnrichment": {
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}

FKIE_CVE-2026-20516

Vulnerability from fkie_nvd - Published: 2026-09-07 02:17 - Updated: 2026-09-08 18:38

Severity

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

References

	URL	Tags
	security@mediatek.com	https://www.mediatek.com/product-security-bulletin/September-2026

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "MediaTek chipset",
          "vendor": "MediaTek, Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "MT5586"
            },
            {
              "status": "affected",
              "version": "MT5862"
            },
            {
              "status": "affected",
              "version": "MT5867"
            },
            {
              "status": "affected",
              "version": "MT5870"
            },
            {
              "status": "affected",
              "version": "MT5871"
            },
            {
              "status": "affected",
              "version": "MT5872"
            },
            {
              "status": "affected",
              "version": "MT5873"
            },
            {
              "status": "affected",
              "version": "MT5876"
            },
            {
              "status": "affected",
              "version": "MT5877"
            },
            {
              "status": "affected",
              "version": "MT5879"
            },
            {
              "status": "affected",
              "version": "MT5888"
            },
            {
              "status": "affected",
              "version": "MT5889"
            },
            {
              "status": "affected",
              "version": "MT5895"
            },
            {
              "status": "affected",
              "version": "MT5896"
            },
            {
              "status": "affected",
              "version": "MT5897"
            },
            {
              "status": "affected",
              "version": "MT9015"
            },
            {
              "status": "affected",
              "version": "MT9025"
            },
            {
              "status": "affected",
              "version": "MT9026"
            },
            {
              "status": "affected",
              "version": "MT9027"
            },
            {
              "status": "affected",
              "version": "MT9032"
            },
            {
              "status": "affected",
              "version": "MT9603"
            },
            {
              "status": "affected",
              "version": "MT9618"
            },
            {
              "status": "affected",
              "version": "MT9633"
            },
            {
              "status": "affected",
              "version": "MT9649"
            },
            {
              "status": "affected",
              "version": "MT9660"
            },
            {
              "status": "affected",
              "version": "MT9676"
            },
            {
              "status": "affected",
              "version": "MT9687"
            },
            {
              "status": "affected",
              "version": "MT9689"
            },
            {
              "status": "affected",
              "version": "MT9972"
            }
          ]
        }
      ],
      "source": "security@mediatek.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In MiracastService, there is a possible escalation of privilege due to a confused deputy. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11060069 / DTV04881615; Issue ID: MSV-7882."
    }
  ],
  "id": "CVE-2026-20516",
  "lastModified": "2026-09-08T18:38:19.590",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
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          "options": [
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      "url": "https://www.mediatek.com/product-security-bulletin/September-2026"
    }
  ],
  "sourceIdentifier": "security@mediatek.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
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        {
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}

GHSA-R6MC-P7FV-V7WH

Vulnerability from github – Published: 2026-09-07 03:30 – Updated: 2026-09-07 12:30

Details

Severity

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-20516"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-926"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-07T02:17:20Z",
    "severity": "MODERATE"
  },
  "details": "In MiracastService, there is a possible escalation of privilege due to a confused deputy. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11060069 / DTV04881615; Issue ID: MSV-7882.",
  "id": "GHSA-r6mc-p7fv-v7wh",
  "modified": "2026-09-07T12:30:28Z",
  "published": "2026-09-07T03:30:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-20516"
    },
    {
      "type": "WEB",
      "url": "https://www.mediatek.com/product-security-bulletin/September-2026"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

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.

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.

Action not permitted

CVE-2026-20516 (GCVE-0-2026-20516)

FKIE_CVE-2026-20516

GHSA-R6MC-P7FV-V7WH

Tags

Sightings

Nomenclature