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CVE-2021-39691

Status: ModifiedHigh (7.3)—

In WindowManager, there is a possible tapjacking attack due to an incorrect window flag when processing user input. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12Android ID: A-157929241

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Google — Android

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2021-39691",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
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          "baseScore": 6.9,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
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        "acInsufInfo": false,
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          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
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          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
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  "affected": [
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      "source": "security@android.com",
      "affectedData": [
        {
          "vendor": "n/a",
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          "versions": [
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              "version": "Android-10 Android-11 Android-12"
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  "published": "2022-06-15T13:15:08.217",
  "references": [
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      "url": "https://source.android.com/security/bulletin/2022-06-01",
      "tags": [
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      "source": "security@android.com"
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      "url": "https://source.android.com/security/bulletin/2022-06-01",
      "tags": [
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  "vulnStatus": "Modified",
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      "description": [
        {
          "lang": "en",
          "value": "CWE-1021"
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      "lang": "en",
      "value": "In WindowManager, there is a possible tapjacking attack due to an incorrect window flag when processing user input. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12Android ID: A-157929241"
    },
    {
      "lang": "es",
      "value": "En WindowManager, se presenta un posible ataque de tapjacking debido a una bandera de ventana incorrecta cuando se procesa la entrada del usuario. Esto podría conllevar a una escalada local de privilegios sin ser necesarios privilegios de ejecución adicionales. Es requerida una interacción del usuario para su explotación. Producto: Android, Versiones: Android-10 Android-11 Android-12, ID de Android: A-157929241"
    }
  ],
  "lastModified": "2026-06-17T04:04:00.520",
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