CVE-2026-75990 in Illustrator
Summary
by MITRE • 09/08/2026
Illustrator is affected by an Incorrect Authorization 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 • 09/09/2026
The identified vulnerability within Adobe Illustrator represents a critical flaw categorized as an Incorrect Authorization error, which fundamentally undermines the application's ability to properly validate permissions before executing specific operations. This security lapse allows for arbitrary code execution within the context of the current user, significantly escalating the severity from a simple data exposure or denial-of-service issue to one that grants attackers full control over the compromised system environment. The core technical flaw lies in the software's failure to enforce strict access controls when processing external inputs, specifically maliciously crafted files designed to trigger unintended code paths during parsing or rendering processes. By bypassing these authorization checks, an attacker can inject and execute arbitrary commands with the same privileges as the legitimate user running the application, effectively turning a standard document viewing action into a vehicle for system compromise.
From an operational perspective, this vulnerability poses a severe risk because it relies on social engineering tactics to achieve initial access. Exploitation requires direct user interaction, meaning that a victim must actively open or load a malicious file created by the attacker. This dependency on human behavior makes targeted phishing campaigns and spear-phishing attacks particularly effective vectors for exploitation. Once the malicious file is opened, the application processes its contents without adequately verifying whether the operations requested are authorized within the current security context. The change in scope indicates that the impact extends beyond just the Illustrator process itself, potentially affecting other applications or system resources accessible to the user account, thereby increasing the blast radius of a successful exploit and complicating containment efforts for incident response teams.
In terms of industry standard classifications, this vulnerability aligns closely with CWE-269, which denotes Improper Privilege Management, as it involves the failure to restrict administrative functions or sensitive operations to authorized users only. Furthermore, the exploitation technique maps directly to MITRE ATT&CK tactic T1059, Command and Scripting Interpreter, specifically through mechanisms like T1204, User Execution, where malware is executed after a user performs an action such as opening a file. Understanding these mappings helps security professionals prioritize remediation efforts based on established threat intelligence frameworks and common attack patterns observed in the wild. The combination of incorrect authorization logic with the high-impact outcome of arbitrary code execution places this issue at the top tier of severity for application-level vulnerabilities, requiring immediate attention to prevent widespread compromise across organizations relying on Adobe Illustrator for professional design work.
Mitigation strategies must focus on both technical controls and user awareness training. Administrators should ensure that all patches provided by Adobe are applied promptly to close the authorization gap in the latest versions of the software. Additionally, implementing application whitelisting policies can restrict the execution of untrusted scripts or binaries spawned by Illustrator processes, thereby limiting the impact even if an exploit succeeds. Network segmentation and endpoint detection and response solutions should be configured to monitor for anomalous behavior indicative of code injection or unauthorized process creation following file openings. Finally, continuous security awareness programs are essential to educate users on recognizing suspicious files and avoiding opening attachments from untrusted sources, as this remains the primary vector for exploiting user-interaction-dependent vulnerabilities like this one.