CVE-2026-58854 in Android
Summary
by MITRE • 10/05/2026
In multiple locations, there is a possible memory corruption due to type confusion. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
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Analysis
by VulDB Data Team • 10/05/2026
The vulnerability described represents a critical security flaw characterized by memory corruption resulting from type confusion within the software application. Type confusion occurs when an object or variable is treated as having a different data type than its actual declared type, leading to unpredictable behavior during execution. In this specific instance, the flaw exists in multiple locations throughout the codebase, suggesting either a systemic design issue or widespread implementation errors that fail to properly validate and cast data types before processing. This lack of strict type enforcement allows an attacker to manipulate internal memory structures by providing inputs that force the application to interpret data incorrectly, thereby bypassing intended security controls embedded within the logic flow.
The operational impact of this vulnerability is severe due to its potential for local privilege escalation. Because the flaw leads directly to memory corruption, it can be exploited to overwrite critical memory regions such as function pointers or return addresses on the stack. This manipulation enables an attacker to redirect program execution to arbitrary code injected into the process space. Since no additional privileges are required and user interaction is not needed for exploitation, the attack vector is highly accessible. An unauthenticated local actor with basic access rights can trigger this condition remotely or through automated scripts without requiring any physical presence or social engineering tactics, significantly lowering the barrier to entry for malicious actors seeking higher system control.
From a technical classification perspective, this vulnerability aligns closely with CWE-843, which defines Access of Incorrect Type, and often overlaps with CWE-120 Buffer Overflow if the type confusion results in writing beyond allocated boundaries. The exploitation technique typically falls under MITRE ATT&CK Tactic TA0005 Defense Evasion or TA0004 Privilege Escalation, specifically utilizing techniques such as process injection or memory corruption to gain elevated access. The absence of user interaction classifies this as an automatic execution vulnerability, making it particularly dangerous in environments where services run continuously with varying levels of system privileges.
Mitigation strategies must focus on rigorous input validation and strict type checking at all entry points where data is processed. Developers should implement compile-time checks or runtime assertions that verify the actual type of objects before casting them to expected types. Utilizing memory-safe programming languages for new development can also prevent such issues by enforcing stricter memory management rules automatically. For existing codebases, applying patches provided by the vendor is essential as they likely contain fixes that enforce proper type boundaries and add safeguards against malformed input triggering these confusion states. Additionally, deploying runtime application self-protection tools or enabling advanced exploit mitigation techniques like Address Space Layout Randomization can reduce the likelihood of successful exploitation even if the underlying flaw remains present in older versions.