CVE-2026-48395 in Adobe
Summary
by MITRE • 07/28/2026
Bridge is affected by an Untrusted Search Path vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to execute arbitrary code. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.
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Analysis
by VulDB Data Team • 07/28/2026
The Bridge software vulnerability represents a critical untrusted search path weakness that fundamentally compromises system security through improper handling of dynamic library loading mechanisms. This flaw resides in how the application resolves and loads shared libraries during execution, creating opportunities for attackers to manipulate the system's library search order. The vulnerability stems from the application's failure to properly validate or sanitize the paths used when searching for required libraries, allowing malicious actors to place compromised binaries in directories that are searched before legitimate system locations.
The technical implementation of this vulnerability aligns with CWE-427 Uncontrolled Search Path Element, where the software's library loader incorporates user-controllable paths without adequate validation. When a user interacts with a malicious file, typically through opening or executing it, the Bridge application attempts to load dependent libraries from predictable search paths. Attackers can exploit this by placing malicious DLLs or shared objects in directories that appear earlier in the system's PATH environment variable or library search order. The vulnerability operates at the operating system level where dynamic link libraries are resolved, making it particularly dangerous as it bypasses many traditional security controls.
The operational impact of this vulnerability extends beyond simple privilege escalation to encompass full system compromise when exploited successfully. An attacker who successfully manipulates the search path can achieve arbitrary code execution with the privileges of the current user, potentially leading to privilege escalation if that user has elevated permissions. The requirement for user interaction makes this an attractive target for social engineering campaigns where victims might be tricked into opening seemingly legitimate files. This attack vector is particularly concerning because it can be executed through various file types that trigger library loading, including documents, images, or executables.
The threat landscape for this vulnerability places it within the ATT&CK framework under T1059 Command and Scripting Interpreter and T1546 Privilege Escalation, where adversaries leverage system weaknesses to establish persistent access. The attack surface includes any scenario where users might interact with potentially malicious files, making it particularly dangerous in enterprise environments or when dealing with external file attachments. Security professionals should consider implementing application whitelisting policies, monitoring for unusual library loading patterns, and conducting regular security assessments of software applications that exhibit this behavior.
Mitigation strategies must address both the immediate vulnerability and broader system security posture. System administrators should implement strict PATH environment variable controls to prevent unauthorized directories from being searched during library resolution. The principle of least privilege should be enforced by ensuring that Bridge and similar applications run with minimal required permissions. Regular security updates and patches should be applied promptly, as vendors typically address such vulnerabilities through proper library path validation. Additionally, endpoint protection solutions can be configured to monitor for suspicious library loading behaviors, providing an additional layer of defense against exploitation attempts.
The vulnerability demonstrates the importance of secure coding practices in preventing untrusted search path issues, where developers must ensure that all dynamic library loading operations use absolute paths or properly validated relative paths. This flaw also highlights the necessity of security awareness training for end users to recognize potential social engineering attempts that might exploit such vulnerabilities. Organizations should maintain comprehensive incident response procedures specifically addressing library injection attacks and implement regular vulnerability assessments to identify similar weaknesses in their software ecosystem.
Security monitoring should include detection of unusual file access patterns, particularly those involving system directories or files with unexpected modification times. The vulnerability's exploitation requires user interaction, making user education and awareness programs critical components of a layered defense strategy. Network segmentation and application isolation can limit the potential impact if an attacker successfully exploits this vulnerability in one system. Regular security audits should examine all applications for similar search path vulnerabilities, as these issues often occur across multiple software platforms and can be systematically addressed through proper security development lifecycle practices.