CVE-2026-20544

MEDIUM CVSS 3.1: 6.8 EPSS 0.17%
Updated Oct 06, 2026
Meta
Parameter Value
CVSS 6.8 (MEDIUM)
Type CWE-787 (Out-of-bounds Write)
Vendor Meta
Public PoC No

In meta, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitation.

Patch ID: ALPS11049530 / ALPS11480843; Issue ID: MSV-7935.

Attack Parameters

Attack Vector
Physical
Requires physical access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products

mediatek, inc.:mediatek chipset