CVE-2022-20012

Local privilege escalation via MDP integer overflow

Published Jan 4, 2022 · Updated Aug 3, 2024

Integer overflow in MediaTek’s MDP driver on Android 10.0, 11.0, and 12.0 allows local users to escalate privileges. The driver performs an integer calculation that can overflow and corrupt memory; MediaTek has not disclosed the affected function or input path. A low-privileged local user can reach the flaw without user interaction or additional execution privileges and gain higher device privileges.

CVSS severity7.8
High
EPSS probability0.11%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Integer overflow in MediaTek’s MDP driver on Android 10.0, 11.0, and 12.0 allows local users to escalate privileges. The driver performs an integer calculation that can overflow and corrupt memory; MediaTek has not disclosed the affected function or input path. A low-privileged local user can reach the flaw without user interaction or additional execution privileges and gain higher device privileges.

The record

CVE
CVE-2022-20012
Published
Jan 4, 2022
Updated
Aug 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-190, T1404
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 4, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.6NIST NVDAV:L/AC:L/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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-190Integer Overflow or Wraparound
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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