Sceawere
Vulnerability Detail
CVE-2026-20524UPDATED Verified Sceawere Triage Sources: NVD / CISA KEV
Memory Corruption in apu
Vulnerability Metadata
- Severity
- High
- Score / CVSS
- 8.4
- Creation Date
- 17h ago
- Vendor
- MediaTek, Inc.
- Product
- MediaTek chipset
- Attack Type
- CWE-1285 Improper Validation of Specified Index, Position, or Offset in Input
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Complexity
- LOW
Narrative and Response
Description
In apu, there is a possible memory corruption due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11249004; Issue ID: MSV-9170.
Executive Summary
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
Technical Details
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
Mitigations
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
References
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
Additional Metadata
{
"score": "8.4",
"pubDate": "2026-10-05T02:16:51.040Z",
"pubdate": "2026-10-05T02:16:51.040Z",
"executiveSummary": "A critical memory corruption vulnerability has been identified within the apu component, designated by Issue ID MSV-9170 and Patch ID ALPS11249004.\nThe vulnerability stems from improper input validation, which allows an attacker to manipulate memory structures in an unintended manner.\nSuccessful exploitation of this flaw enables local privilege escalation, granting an attacker elevated permissions on the host system without requiring additional execution privileges.\nThe vulnerability does not require user interaction, making it highly dangerous in local attack scenarios.\nThe risk implication is severe, as it facilitates a complete compromise of system integrity by unauthorized local actors, circumventing standard security authorization mechanisms.",
"technicalDetails": "The root cause of this vulnerability is the failure of the apu component to perform rigorous bounds checking and validation on incoming data inputs. By supplying specially crafted, malicious input to the affected interface, an attacker can trigger a memory corruption event, such as a buffer overflow or an out-of-bounds write.\nThe attack flow initiates when a local user process interacts with the vulnerable apu component. Because the input validation logic is insufficient, the system processes the malformed input without verifying its length or structure against the destination memory buffer. This results in the corruption of adjacent memory blocks, which may contain sensitive pointers, function return addresses, or internal state variables.\nBy precisely controlling the content of the overwritten memory, an attacker can manipulate the execution flow of the component. This often involves overwriting function pointers or return addresses to redirect the instruction pointer (IP) to malicious code or a Return-Oriented Programming (ROP) chain. Given that the apu component likely operates with elevated system privileges, the payload execution inherits these elevated permissions, thereby completing the local escalation of privilege.\nThe exploitation process does not necessitate administrative or root access prior to the attack, nor does it require any form of user interaction. Since the vulnerability resides in a local system component, the attack vector is contained within the local environment, targeting inter-process communication or system-level APIs provided by apu.\nPost-exploitation, the attacker gains the ability to execute arbitrary commands or access restricted system resources that were previously unavailable to the unprivileged account. This provides a platform for further system exploitation, persistent installation of malicious software, or unauthorized data exfiltration.\nThe vulnerability is localized to the apu module; all systems integrating this specific component version are subject to the same attack surface until the identified patch (ALPS11249004) is applied to remediate the flawed validation logic."
}