CVE-2020-0233

Local privilege escalation via use-after-free corruption

Published Jun 11, 2020 · Updated Aug 4, 2024

Use-after-free memory corruption in Android 10's System component allows local users to gain elevated privileges without user interaction. The main function in main.cpp accesses an object after its storage has been freed, corrupting memory. Local access is required, and successful exploitation grants elevated privileges on the affected device without further user involvement.

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

Use-after-free memory corruption in Android 10's System component allows local users to gain elevated privileges without user interaction. The main function in main.cpp accesses an object after its storage has been freed, corrupting memory. Local access is required, and successful exploitation grants elevated privileges on the affected device without further user involvement.

The record

CVE
CVE-2020-0233
Published
Jun 11, 2020
Updated
Aug 4, 2024
Vendor
Google Cloud
Product
Android
Classifications
CWE-416, CWE-787, T1404
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 11, 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 kernel

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Google Cloud · Androidversion=Android kernel

Published CVSS scores

7.2NIST NVDAV:L/AC:L/Au:N/C:C/I:C/A:C
7.8NIST NVDCVSS: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

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-416Use After Free
CWE-787Out-of-bounds Write
T1404Exploitation 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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