CVE-2026-100126 in Adobe
Summary
by MITRE • 10/13/2026
Bridge is affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
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Analysis
by VulDB Data Team • 10/13/2026
The Bridge application contains an out-of-bounds read vulnerability, classified under CWE-125 as Out-of-Bounds Read. This flaw arises when the software accesses memory locations beyond the intended buffer boundaries without performing adequate bounds checking or validation of input data lengths. Such a condition typically occurs during the parsing or processing of external files where the application fails to verify that the requested read operation does not exceed the allocated memory space for the target buffer. When this boundary check is missing or incorrectly implemented, the program may retrieve and return data from adjacent memory regions that were not intended to be accessed by the current execution context.
The primary operational impact of this vulnerability is the potential disclosure of sensitive information stored in the application's process memory. By exploiting this out-of-bounds read condition, an attacker can force the application to leak contents of neighboring memory blocks which may contain cryptographic keys, session tokens, user credentials, or other proprietary data structures. This type of information leakage can serve as a critical stepping stone for further attacks, allowing adversaries to authenticate into systems without valid credentials or decrypt protected communications. The severity is heightened because the leaked data originates from the same process space, meaning it often contains high-value targets that are otherwise inaccessible through standard application interfaces.
Exploitation of this vulnerability requires user interaction, specifically necessitating that a victim opens a maliciously crafted file within Bridge. This characteristic aligns with attack vectors described in MITRE ATT&CK technique T1203 as Exploitation for Client Execution, where the attacker relies on social engineering or deceptive practices to trick the end-user into triggering the vulnerable code path. The requirement for user interaction indicates that this is not a remote network-based exploit but rather an application-level vulnerability triggered by local file processing. Consequently, defense-in-depth strategies must focus heavily on restricting file types and ensuring users are aware of the risks associated with opening untrusted documents or data files within the Bridge environment.
Mitigation efforts should prioritize updating to patched versions of Bridge that include fixes for this memory safety issue. In addition to software updates, organizations can implement application control policies to restrict which applications have permission to process specific file types, thereby reducing the attack surface. Input validation and fuzzing during the development lifecycle are essential preventive measures to ensure that all buffer operations strictly adhere to allocated limits. Furthermore, enabling security features such as Data Execution Prevention (DEP) and Address Space Layout Randomization (ASLR) can mitigate the impact of memory disclosure by making it more difficult for attackers to predict memory layouts or execute arbitrary code based on leaked information.