CVE-2023-32856

Local information disclosure via incorrect display status check

Published Dec 4, 2023 · Updated Aug 29, 2024

Out-of-bounds read in MediaTek display firmware on Android 12.0 and 13.0 allows local users with System privileges to disclose data. An incorrect status check lets the display component read beyond the intended buffer boundary; MediaTek has not disclosed the affected function or input path. Exploitation requires local System execution privileges and no user interaction; the reported consequence is information disclosure only.

CVSS severity4.4
Medium
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

Out-of-bounds read in MediaTek display firmware on Android 12.0 and 13.0 allows local users with System privileges to disclose data. An incorrect status check lets the display component read beyond the intended buffer boundary; MediaTek has not disclosed the affected function or input path. Exploitation requires local System execution privileges and no user interaction; the reported consequence is information disclosure only.

The record

CVE
CVE-2023-32856
Published
Dec 4, 2023
Updated
Aug 29, 2024
Vendor
MediaTek
Product
MT6889
Classifications
CWE-120, CWE-125
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Dec 4, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 29, 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=0 <=*

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

MediaTek · MT6889version=0 <=*
MediaTek · MT6768version=0 <=*
MediaTek · MediaTek MT6765version=0 <=*
MediaTek · MT6893version=0 <=*
MediaTek · MT6885version=0 <=*
MediaTek · MT8798version=0 <=*
MediaTek · MT6879version=0 <=*
MediaTek · MT8195version=0 <=*
MediaTek · MT6883version=0 <=*
MediaTek · MT6985version=0 <=*
MediaTek · MT8188version=0 <=*
MediaTek · MT6833version=0 <=*
MediaTek · MT8797version=0 <=*
MediaTek · MT6983version=0 <=*

Published CVSS scores

4.4NIST National Vulnerability DatabaseCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-125Out-of-bounds Read

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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