CVE-2019-2216

Local privilege escalation via hidden overlay notifications

Published Mar 15, 2020 · Updated Aug 4, 2024

Improper input validation in Android 10 Framework allows local users to gain elevated privileges through a hidden overlay notification. Framework overlay-notification handling improperly validates input, allowing the warning that identifies an overlaying app to be hidden. Exploitation requires user execution privileges and user interaction; the concealed warning enables the overlaying app to obtain elevated privileges.

CVSS severity7.3
High
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in Android 10 Framework allows local users to gain elevated privileges through a hidden overlay notification. Framework overlay-notification handling improperly validates input, allowing the warning that identifies an overlaying app to be hidden. Exploitation requires user execution privileges and user interaction; the concealed warning enables the overlaying app to obtain elevated privileges.

The record

CVE
CVE-2019-2216
Published
Mar 15, 2020
Updated
Aug 4, 2024
Vendor
Google Cloud
Product
Android
Classifications
CWE-20, T1404
Attack vector
local
Privileges
Unavailable

Timeline

How it unfolded

  1. Mar 15, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=Android-10

What conditions does exploitation require?

Attack vectorlocal
Required privilegesUnavailable in this record.

What is affected?

Google Cloud · Androidversion=Android-10

Published CVSS scores

7.3NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
4.4NIST NVDAV:L/AC:M/Au:N/C:P/I:P/A:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
T1404Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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