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TI-2026-83722 Aliases CVE-2026-20582GHSA-r68q-g3qm-fh38

Double free in MediaTek chipset USB driver causes memory corruption

Priority LOW 30CWE-415Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-415 and the CVSS impact.

Summary

MediaTek chipsets MT6993, MT8188, MT8189, MT8518S and MT8532 and other models are affected. A double free in the USB component causes memory corruption (CWE-415). A malicious actor who already has System privilege can escalate privileges locally, and no user interaction is needed.

Written with Claude Haiku 5.5 from the sources below · 2026-11-02

Description from the CNA

In usb, there is a possible memory corruption due to double free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11411924; Issue ID: MSV-9748.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00109 1st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MediaTekMediaTek chipsetMT6993; MT8188; MT8189; MT8518S; MT8532; MT8668—No fix listedCNA
  • MediaTek chipset VendorMediaTek Affected MT6993; MT8188; MT8189; MT8518S; MT8532; MT8668 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for MediaTek chipset.

Written with Claude Haiku 5.5 from the sources below · 2026-11-02

Timeline

  1. 2026-11-02 Threatist record created from CVE-2026-20582
  2. 2026-11-02 Alias added: GHSA-r68q-g3qm-fh38
  3. 2026-11-02 CVSS score added · CISA ADP
  4. 2026-11-02 CISA SSVC decision points changed
  5. 2026-11-03 CISA SSVC decision points changed

References

Other 1

  • TI-2020-00067 Out-of-bounds write in Android KEVCVSS 3.1HIGH 7.8
  • TI-2024-13053 Improper input validation in MediaTek MT6890, MT7915, MT7916, MT7981, MT7986 CVSS 3.1CRITICAL 9.8
  • TI-2025-14725 Integer overflow in MediaTek MT6781, MT6789, MT6835, MT6855, MT6878, MT6879, MT6886… CVSS 3.1MEDIUM 6.5
  • TI-2024-13114 Memory corruption in MediaTek MT2735, MT2737, MT6833, MT6835, MT6835T, MT6853, MT6855… CVSS 3.1CRITICAL 9.8
  • TI-2022-14283 Command injection in MediaTek EN7528, EN7580 CVSS 3.1CRITICAL 9.8
  • TI-2021-11684 Command injection in MediaTek EN7528, EN7580 CVSS 3.1CRITICAL 9.8
See all 1133 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences