CVE-2026-27293 in Framemaker
Summary
by MITRE • 04/15/2026
Adobe Framemaker versions 2022.8 and earlier are affected by a Heap-based Buffer Overflow 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 • 04/15/2026
Adobe Framemaker version 2022.8 and earlier contains a heap-based buffer overflow vulnerability designated as CVE-2026-27293 that presents significant security risks to affected systems. This vulnerability resides within the application's handling of malformed input files and operates under the Common Weakness Enumeration framework as CWE-129, specifically classified as an improper limitation of a recognized maximum block size. The flaw manifests when the software processes specially crafted malicious files that trigger memory allocation errors in the heap memory management system. The vulnerability operates through a classic buffer overflow mechanism where insufficient bounds checking allows data to be written beyond the allocated memory buffer, potentially corrupting adjacent memory locations and executable code segments.
The exploitation of this vulnerability requires user interaction, specifically targeting the victim's action of opening a maliciously crafted file within the Framemaker application environment. This user interaction requirement aligns with the ATT&CK framework's technique T1203, which describes exploitation of software vulnerabilities through legitimate application interfaces. When an unsuspecting user opens the malicious file, the buffer overflow occurs during file parsing operations, potentially allowing an attacker to execute arbitrary code with the privileges of the current user account. The heap-based nature of the vulnerability means that the attacker can manipulate heap metadata and pointers, creating opportunities for more sophisticated exploitation techniques including information disclosure, privilege escalation, or system compromise.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with persistent access to systems where Framemaker is installed. Organizations using Adobe Framemaker versions 2022.8 or earlier face potential data breaches, system infiltration, and unauthorized access to sensitive documents and information. The vulnerability affects enterprise environments where Framemaker is commonly used for technical documentation, publishing, and content management, making it particularly dangerous for organizations handling confidential or regulated information. The exploitation chain typically begins with social engineering to deliver the malicious file, followed by successful buffer overflow execution that can lead to full system compromise if the user account has elevated privileges. This vulnerability demonstrates the critical importance of keeping software updated and implementing proper file validation procedures.
Mitigation strategies for CVE-2026-27293 should prioritize immediate patching of all affected Adobe Framemaker installations to version 2022.9 or later, which contains the necessary security fixes. Organizations should implement strict file validation policies and user education programs to reduce the risk of malicious file execution. Network segmentation and application whitelisting can provide additional layers of protection by restricting access to vulnerable applications. Security teams should monitor for exploitation attempts through network traffic analysis and endpoint detection systems. The vulnerability underscores the importance of regular security assessments and vulnerability management programs, particularly for specialized applications like Framemaker that may not receive the same level of security attention as mainstream software. System administrators should also consider implementing privilege separation techniques and automated patch management solutions to ensure timely remediation of similar vulnerabilities across the enterprise infrastructure.