CVE-2025-20744

Local privilege escalation via pda use-after-free

Published Nov 4, 2025 · Updated Nov 4, 2025

Use-after-free in MediaTek pda on MT6899, MT6991, and MT8793 with Android 13.0 through 16.0 allows local users to escalate privileges. MediaTek identifies pda as the affected locus but has not published the freed object, stale access, or input sequence that triggers the flaw. Exploitation requires existing System privilege and no user interaction; the exact resulting privilege remains undisclosed.

CVSS severity4.2
Medium
EPSS probability0.08%
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 in MediaTek pda on MT6899, MT6991, and MT8793 with Android 13.0 through 16.0 allows local users to escalate privileges. MediaTek identifies pda as the affected locus but has not published the freed object, stale access, or input sequence that triggers the flaw. Exploitation requires existing System privilege and no user interaction; the exact resulting privilege remains undisclosed.

The record

CVE
CVE-2025-20744
Published
Nov 4, 2025
Updated
Nov 4, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-416, T1404
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Nov 4, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 4, 2025Record 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 privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.2CISA-ADPCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
4.2NVDCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

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-416Use After Free
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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