CVE-2019-9468

Local privilege escalation via double free

Published Jan 6, 2020 · Updated Aug 4, 2024

A double-free vulnerability in Android 10 allows local users to escalate privileges without user interaction via export_key_der. The export_key_der function in export_key.cpp frees the same allocation twice, causing memory corruption that can be redirected into privileged-process memory effects. Exploitation requires local low privileges but no additional execution privileges or user interaction, and can compromise confidentiality, integrity, and availability.

CVSS severity7.8
High
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A double-free vulnerability in Android 10 allows local users to escalate privileges without user interaction via export_key_der. The export_key_der function in export_key.cpp frees the same allocation twice, causing memory corruption that can be redirected into privileged-process memory effects. Exploitation requires local low privileges but no additional execution privileges or user interaction, and can compromise confidentiality, integrity, and availability.

The record

CVE
CVE-2019-9468
Published
Jan 6, 2020
Updated
Aug 4, 2024
Vendor
Google Cloud
Product
Android
Classifications
CWE-415, CWE-787, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 6, 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 privilegesauthenticated

What is affected?

Google Cloud · Androidversion=Android-10

Published CVSS scores

7.8NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-415Double Free
CWE-787Out-of-bounds Write
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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