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TI-2026-16628 Aliases CVE-2026-20485GHSA-8rj7-4f5c-p94f

Out-of-bounds write in MediaTek chipset

Priority LOW 28CWE-787Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

In HFRP, there is a possible out of bounds write due to a missing bounds check. 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: ALPS11049569; Issue ID: MSV-7931.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00158 4th 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—No fix listedCNA
  • MediaTek chipset VendorMediaTek Affected MT6993 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:mediatek:mt6993_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMediaTek
cpe:2.3:h:mediatek:mt6993:-:*:*:*:*:*:*:*not specified by NVDRunning onMediaTek
  • cpe:2.3:o:mediatek:mt6993_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·MediaTek
  • cpe:2.3:h:mediatek:mt6993:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-20485
  2. 2026-10-03 Alias added: GHSA-8rj7-4f5c-p94f

References

Advisory 1

  • TI-2026-16643 Heap-based buffer overflow in MediaTek chipset CVSS 3.1HIGH 8.4
  • TI-2026-16642 Heap-based buffer overflow in MediaTek chipset CVSS 3.1HIGH 8.4
  • TI-2026-67576 Use after free in MediaTek apu component allows privilege escalation CVSS 3.1HIGH 8.4
  • TI-2026-67569 Memory corruption in MediaTek apu lets local users escalate privileges CVSS 3.1HIGH 8.4
  • TI-2026-67568 MediaTek neuropilot out-of-bounds write enables local escalation CVSS 3.1HIGH 8.4
  • TI-2026-67567 Out-of-bounds write in MediaTek neuropilot enables local escalation CVSS 3.1HIGH 8.4
See all 43 →

Sources

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