TI-2026-83726 Aliases CVE-2026-20590 GHSA-mg7h-vxgw-9p69

Logic error in MediaTek display component can crash the system

LOW 19CWE-121Published 2026-11-02 · Updated 2026-11-02

Key facts

Attack vector: Local
Privileges required: High
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

MediaTek chipsets MT6739, MT6761, MT6765, MT6768, MT6781 and other models are affected. The display component has a logic error, classified as CWE-121 (Stack-based Buffer Overflow), that can crash the system. A local attacker who has already obtained System privilege can trigger a local denial of service, and no user interaction is needed.

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

Description from the CNA

In display, there is a possible system crash due to a logic error. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11410704; Issue ID: MSV-9574.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.001 0th 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: Partial

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
MediaTek	MediaTek chipset	MT6739; MT6761; MT6765; MT6768; MT6781; MT6789; MT6833; MT6835; MT6853; MT6855; MT6877; MT6878; MT6879; MT6883; MT6885; MT6886; MT6889; MT6893; MT6895; MT6897; MT6899; MT6983; MT6985; MT6989; MT6991; MT6993; MT8188; MT8668; MT8676; MT8678; MT8793	—	No fix listed	CNA

MediaTek chipset VendorMediaTek Affected MT6739; MT6761; MT6765; MT6768; MT6781; MT6789; MT6833; MT6835; MT6853; MT6855; MT6877; MT6878; MT6879; MT6883; MT6885; MT6886; MT6889; MT6893; MT6895; MT6897; MT6899; MT6983; MT6985; MT6989; MT6991; MT6993; MT8188; MT8668; MT8676; MT8678; MT8793 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for MediaTek chipsets.

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

Timeline

2026-11-02 Threatist record created from CVE-2026-20590
2026-11-02 Alias added: GHSA-mg7h-vxgw-9p69
2026-11-02 CVSS score added · CISA ADP
2026-11-02 CISA SSVC decision points changed

References

Other 1

https://www.mediatek.com/product-security-bulletin/November-2026

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