CVE-2026-82006 in Photoshop
Summary
by MITRE • 09/08/2026
Photoshop Desktop is 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 • 09/08/2026
The Adobe Photoshop Desktop application contains a critical heap-based buffer overflow vulnerability, designated under Common Vulnerabilities and Exposures identifiers such as CVE-2019-6437 or similar variants depending on the specific version affected. This flaw resides within the memory management subsystem of the software, specifically when processing certain file formats that involve complex data structures allocated on the heap. The root cause is a failure to properly validate input boundaries before copying user-supplied data into pre-allocated memory buffers. When an attacker crafts a malicious file with specially constructed headers or embedded objects containing oversized fields, the application fails to check if the incoming data exceeds the capacity of the destination buffer. Consequently, excess data overwrites adjacent memory locations on the heap, corrupting internal pointers and metadata structures that govern memory allocation and deallocation processes.
From a technical perspective, this vulnerability aligns with CWE-122, which describes a heap-based buffer overflow where an attacker can write beyond the boundaries of allocated memory. The exploitation mechanism relies heavily on precise control over the overwritten data to manipulate function pointers or exception handlers within the process space. By carefully crafting the payload, an adversary can redirect execution flow to arbitrary code injected into the same address space. This type of attack is often associated with techniques found in the MITRE ATT&CK framework under T1203, which covers exploitation for client-side execution, and potentially T1059 if scripting languages are leveraged during the initial access phase. The vulnerability does not require elevated privileges to exploit initially, as it operates within the context of the user launching the application.
The operational impact of successfully exploiting this heap-based buffer overflow is severe, leading directly to arbitrary code execution in the security context of the current logged-in user. This means that once a victim opens the malicious file designed to trigger the vulnerability, the attacker gains full control over the running Photoshop process. With this level of access, an adversary can install malware, exfiltrate sensitive documents stored locally on the machine, create new accounts with administrative privileges if such actions are permitted by the user profile, or pivot further into a corporate network if the workstation is part of a larger infrastructure. The lack of robust sandboxing in some versions of desktop creative applications exacerbates this risk, allowing the malicious code to interact freely with operating system APIs and file systems without significant restrictions.
Mitigation strategies must focus on both immediate remediation and long-term defensive posture improvements. The primary defense is to apply the latest security patches provided by Adobe immediately upon release for all affected versions of Photoshop Desktop. Organizations should enforce strict software update policies to ensure that critical vulnerabilities are addressed within a defined service level agreement timeframe. Additionally, implementing application whitelisting or controlled folder access can prevent unauthorized executables from running even if they manage to exploit this vulnerability. Users must be educated on the risks associated with opening files from untrusted sources, as social engineering remains the primary vector for delivering these malicious payloads. Network segmentation and endpoint detection and response solutions should also be utilized to monitor for anomalous behavior indicative of exploitation attempts, such as unusual memory allocation patterns or unexpected process spawns following file openings in creative software suites.