CVE-2026-75992 in Illustrator
Summary
by MITRE • 09/08/2026
Illustrator is affected by an out-of-bounds write 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.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 09/08/2026
Adobe Illustrator contains a critical memory corruption flaw classified as an out-of-bounds write, which allows for potential arbitrary code execution within the security context of the currently logged-in user. This vulnerability stems from improper bounds checking during the processing of specific input data structures, likely related to complex vector graphics or embedded assets common in Adobe file formats. When the application parses a specially crafted malicious document, it fails to validate that write operations remain within the allocated memory boundaries for target buffers. Consequently, an attacker can overwrite adjacent memory locations with controlled values, potentially overwriting function pointers, exception handlers, or other critical control data structures used by the software during execution.
The operational impact of this vulnerability is severe, as successful exploitation grants the adversary full code execution privileges equivalent to those of the victim user. This level of access enables a wide range of malicious activities including installation of malware, exfiltration of sensitive documents stored locally or in synced cloud directories, and pivoting to other systems within the network if the compromised account has elevated permissions. The requirement for user interaction means that this is not an automatically exploitable remote code execution vulnerability; instead, it relies on social engineering tactics where a victim must be tricked into opening a malicious file. This could involve receiving a deceptive email with an attached Illustrator document or visiting a website that attempts to trigger the download and automatic processing of such files through browser plugins if configured improperly.
From a threat intelligence perspective, this vulnerability aligns with CWE-787: Out-of-bounds Write, which describes writing data outside the bounds of allocated memory. In terms of attack vectors, it corresponds to MITRE ATT&CK technique T1203: Exploitation for Client Execution, where attackers exploit vulnerabilities in client software rather than servers or operating systems directly. The exploitation chain typically involves crafting a malicious file that triggers the specific code path containing the buffer overflow condition, followed by payload delivery mechanisms such as shellcode injection to achieve remote code execution. Defenders should be aware that while user interaction is required, sophisticated phishing campaigns can effectively bypass these safeguards through urgency and deception techniques.
Mitigation strategies must focus on both technical controls and administrative policies. The primary defense is the immediate application of vendor-provided security patches or updates that address the memory management logic in Adobe Illustrator. Organizations should enforce strict software update policies to ensure all endpoints have the latest version installed. Additionally, implementing Application Control technologies such as Windows Defender Application Control (WDAC) or AppLocker can restrict the execution of untrusted binaries and scripts, thereby limiting the impact even if code execution is achieved. Network segmentation and endpoint detection and response solutions should be utilized to monitor for anomalous behavior indicative of exploitation attempts, such as unusual memory access patterns or spawning of command-line interpreters from office applications. Users must also be trained to recognize suspicious file attachments and avoid opening documents from untrusted sources, reinforcing the human layer of defense against this interaction-dependent threat.