CVE-2026-0179 in Android
Summary
by MITRE • 09/15/2026
In Bootloader, there is a possible permission bypass due to a missing permission check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
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Analysis
by VulDB Data Team • 09/16/2026
The vulnerability described resides within the bootloader component of an operating system or embedded device firmware, representing a critical security flaw that undermines the foundational trust chain established during the boot process. Bootloaders are responsible for initializing hardware and loading the kernel into memory, acting as the first line of defense against unauthorized modifications to the system state. In this specific instance, the absence of a mandatory permission check allows an actor with local access or physical proximity to bypass intended security controls. This missing validation logic creates a pathway for privilege escalation, enabling an attacker to execute code with System-level privileges, which are typically reserved for trusted operating system components and administrators. The severity of this flaw is amplified by the fact that it does not require user interaction, meaning exploitation can occur automatically upon device power-up or reset, significantly lowering the barrier for attack execution.
From a technical perspective, the core issue stems from improper access control mechanisms within the bootloader's codebase. When specific functions are invoked to perform sensitive operations such as modifying boot parameters, flashing new firmware images, or accessing protected memory regions, the software fails to verify whether the invoking entity possesses the requisite authority. This oversight allows unprivileged processes or malicious actors with limited local privileges to invoke these high-level functions directly. By bypassing these checks, an attacker can manipulate critical system configurations or inject malicious code into the boot sequence. Since the bootloader operates before the main operating system security modules are fully active, traditional endpoint protection mechanisms cannot intervene during this phase of execution. Consequently, any changes made at this level persist across reboots and often survive factory resets if not properly mitigated by hardware-backed secure storage solutions.
The operational impact of this vulnerability is profound, as it facilitates a local escalation of privilege to the highest possible level within the system architecture. An attacker who successfully exploits this flaw gains complete control over the device's firmware environment. This capability allows for persistent malware installation that survives OS reinstalls, interception of sensitive data during boot processes, and potential denial-of-service conditions by corrupting critical boot files. Furthermore, because System execution privileges are required to exploit this vulnerability effectively in many contexts, it implies that an attacker with even basic local access can compromise the entire integrity of the device. This compromises confidentiality, integrity, and availability at a fundamental level, affecting not just user data but also system stability and security posture across all subsequent software layers loaded by the compromised bootloader.
In terms of industry standards classification, this vulnerability aligns closely with CWE-269 Improper Privilege Management or CWE-732 Incorrect Permission Assignment for Critical Resource. The lack of a permission check represents a failure to enforce least privilege principles during critical system initialization phases. From an offensive security perspective, as defined by the MITRE ATT&CK framework, this technique relates to T1508 Exploitation of Bootkit or Rootkits and potentially T1609 Firmware Flaws. These classifications highlight that the attack vector targets low-level software components where traditional detection methods are often ineffective. The absence of user interaction further categorizes it as an automatic exploitation scenario, increasing its risk profile significantly in environments where devices may be left unattended or accessed by multiple users with varying levels of trust.
Mitigation strategies must focus on both immediate remediation and long-term architectural improvements. Developers should immediately audit the bootloader source code to identify all instances where privileged operations are performed without adequate verification of caller identity or permissions. Implementing strict access control lists within the bootloader logic is essential, ensuring that only authenticated and authorized entities can invoke sensitive functions. Additionally, enabling hardware-based security features such as Secure Boot with measured boot processes can help detect unauthorized modifications even if the permission check fails. For deployed systems, applying vendor-provided firmware updates that patch this specific flaw is critical. Organizations should also consider implementing runtime integrity monitoring solutions that can alert administrators to unexpected changes in bootloader behavior or memory states during startup sequences. Regular security assessments of embedded and IoT device firmware are recommended to identify similar oversights before they can be exploited in production environments.