CVE-2026-104342 in FrameMaker
Summary
by MITRE • 10/13/2026
Adobe Framemaker is affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. 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 Adobe FrameMaker application, a robust desktop publishing tool used for creating complex documents and layouts, is susceptible to a critical Use After Free vulnerability designated under Common Vulnerabilities and Exposures identifiers associated with memory management flaws within its parsing engine. This specific flaw stems from improper handling of dynamically allocated memory resources during the processing of document structures or embedded objects. In software development, particularly in applications written in C++ like FrameMaker, developers must manually manage memory allocation and deallocation to ensure efficient performance. However, when an object is freed but a pointer to that same memory location remains active within the application's state, any subsequent attempt to access or manipulate data through that dangling pointer results in undefined behavior. This scenario constitutes a classic Use After Free condition, which falls under CWE-416 in the Common Weakness Enumeration taxonomy. The vulnerability arises because the application fails to nullify pointers after freeing memory or does not properly validate object lifecycles before accessing them, allowing an attacker to control what data is written into that freed memory space.
The operational impact of this vulnerability is severe, as it can lead to arbitrary code execution within the security context of the currently logged-in user. When a victim opens a specially crafted malicious file designed to trigger this flaw, the application processes specific malformed structures that cause the premature release of critical objects while retaining references to them. By carefully crafting the input data, an attacker can overwrite adjacent memory regions with controlled values, effectively hijacking control flow or executing arbitrary instructions on the target system. This capability allows for full compromise of the user's environment, including access to sensitive files, installation of malware, and lateral movement within a network if the compromised machine is part of one. The attack vector requires direct user interaction, specifically the act of opening the malicious document, which classifies this as an input validation failure where CWE-20 Improper Input Validation plays a role in allowing the crafted payload to bypass initial checks or trigger the logic flaw during parsing.
From a threat intelligence perspective, exploitation techniques for Use After Free vulnerabilities often align with ATT&CK tactics related to Execution and Privilege Escalation. Attackers typically leverage these flaws to inject shellcode into the process memory space, utilizing techniques such as heap spraying to increase the probability of successful code execution. The reliance on user interaction means that social engineering remains a primary component of this attack chain, where adversaries may disguise malicious files as legitimate documents or use phishing campaigns to trick users into opening them. While modern operating systems employ mitigations like Data Execution Prevention and Address Space Layout Randomization, sophisticated exploit developers often combine Use After Free flaws with other techniques to bypass these protections, making the risk significant even in hardened environments.
Mitigation strategies for this vulnerability primarily involve immediate patching of Adobe FrameMaker to the latest version provided by Adobe Systems Incorporated, which includes fixes for memory management errors and improved validation logic. Organizations should enforce strict software update policies to ensure all endpoints running FrameMaker are protected against known exploits. Additionally, implementing application whitelisting can prevent unauthorized or untrusted executables from running if an exploit attempts to spawn secondary processes. Users must be educated on the risks of opening files from unknown sources, and email gateways should be configured to scan for malicious attachments that might contain such crafted documents. Network segmentation can also limit the blast radius in case a single endpoint is compromised, preventing lateral movement across critical infrastructure components until the vulnerability is fully remediated through vendor-supplied patches.