Sceawere
Vulnerability Detail
CVE-2026-20517UPDATED Verified Sceawere Triage Sources: NVD / CISA KEV
Geniezone Use-After-Free Privilege Escalation
Vulnerability Metadata
- Severity
- Medium
- Score / CVSS
- 6.7
- Creation Date
- 10h ago
- Vendor
- MediaTek, Inc.
- Product
- MediaTek chipset
- Attack Type
- CWE-416 Use After Free
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Attack Complexity
- LOW
Narrative and Response
Description
In geniezone, there is a possible escalation of privilege due to use after 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: ALPS10900510; Issue ID: MSV-6781.
Executive Summary
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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
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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
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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
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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": "6.7",
"pubDate": "2026-09-07T02:17:20.470Z",
"pubdate": "2026-09-07T02:17:20.470Z",
"executiveSummary": "A use-after-free (UAF) vulnerability exists within the Geniezone component, potentially allowing for a local escalation of privilege.\nThis memory corruption flaw occurs when the software continues to use a pointer after the associated memory has been deallocated.\nThe vulnerability is localized to systems already compromised with System-level privileges, suggesting it may facilitate further persistence or deep-system manipulation within the kernel or privileged context.\nSuccessful exploitation requires no user interaction, making it a reliable mechanism for an attacker who has already achieved an initial foothold to escalate or stabilize their presence.\nThe issue is identified by Issue ID MSV-6781 and addressed by Patch ID ALPS10900510.\nThe primary risk is the compromise of system integrity and the potential for arbitrary code execution in a privileged context, necessitating immediate patching to prevent weaponization.",
"technicalDetails": "The vulnerability is rooted in a use-after-free condition within Geniezone. In this state, an application retains a reference to a memory address that has been explicitly freed via a memory management function (e.g., free() or equivalent system-specific deallocators). If the memory manager reallocates this memory block for a different object while the stale pointer remains active, the application inadvertently performs operations on data controlled by a different object, leading to controlled or uncontrolled memory corruption.\nThe attack flow initiates once an attacker has successfully obtained System-level privileges on the target environment. The exploitation process involves inducing the vulnerable component to trigger the dangling pointer reference. This is typically achieved through precise heap grooming, where the attacker fills the heap with controlled data to ensure that when the re-allocation occurs, the stale pointer is redirected to an attacker-influenced memory region.\nBy manipulating the object structure or virtual method tables (vtable) residing at the reallocated memory address, the attacker can redirect the execution flow of the application. Given that the vulnerability is triggered within a privileged process, the resultant code execution inherits the context of the Geniezone component, effectively bypassing subsequent security boundaries.\nThe vulnerability does not require network exposure, as it is a local exploitation primitive. The lack of required user interaction indicates that the trigger mechanism is likely an automated series of system calls or inter-process communication (IPC) requests that force the flawed code path to execute the use-after-free operation. The post-exploitation impact includes, but is not limited to, unauthorized access to sensitive kernel memory, bypass of security kernel protections, and the execution of arbitrary payloads that maintain system-level authority.\nThe technical requirement for the attacker to already possess System privileges limits the scope of this vulnerability to post-compromise scenarios, where the adversary seeks to maintain, elevate, or obfuscate their activities within the operating system architecture."
}