CVE-2026-48274 in After Effects
Summary
by MITRE • 07/15/2026
After Effects 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.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 07/15/2026
Adobe After Effects contains a critical out-of-bounds write vulnerability that presents significant security risks to users who may inadvertently encounter maliciously crafted files. This vulnerability falls under the common weakness enumeration CWE-787 which specifically addresses out-of-bounds write conditions where an application writes data past the end of a buffer or array. The flaw exists within the software's file parsing mechanisms, particularly when processing specially crafted project files or media assets that contain malformed data structures. When a user opens a maliciously constructed file, the application attempts to write data beyond allocated memory boundaries, creating opportunities for attackers to execute arbitrary code with the privileges of the currently logged-in user. This represents a severe escalation vector since it allows remote code execution without requiring administrative privileges or complex exploitation techniques.
The operational impact of this vulnerability extends beyond simple privilege escalation as it enables attackers to gain complete control over affected systems through seemingly innocuous media files or project documents. The requirement for user interaction makes this vulnerability particularly dangerous in targeted attack scenarios where social engineering tactics can be employed to deliver malicious files through email attachments, compromised websites, or infected digital assets shared among creative professionals. Security researchers have identified that the vulnerability manifests during the parsing of specific file formats including but not limited to aep project files, footage metadata, and timeline structures that contain crafted malicious data sequences. The exploitation chain typically involves preparing a malicious file with carefully constructed buffer overflow payloads that when processed by After Effects trigger the out-of-bounds write condition, allowing attackers to inject and execute shellcode within the application's memory space.
Mitigation strategies for this vulnerability must address both immediate defensive measures and long-term security improvements within the Adobe ecosystem. Users should immediately install all available security patches from Adobe's official update channels to remediate the vulnerability at the source level. Organizations implementing security controls should consider deploying file filtering solutions that can detect and block suspicious After Effects project files or media assets before they reach end users. Additionally, security teams should implement application whitelisting policies that restrict execution of untrusted files through sandboxed environments or virtualized execution contexts. The vulnerability aligns with attack patterns documented in the mitre ATT&CK framework under technique T1203 - Exploitation for Client Execution and T1059 - Command and Scripting Interpreter, where attackers leverage application vulnerabilities to execute malicious code within legitimate software environments. Regular security assessments should include testing for similar buffer overflow conditions across other Adobe Creative Suite applications since this vulnerability type often appears in multimedia processing components.
The remediation process requires careful coordination between IT security teams and creative workflow administrators who must balance security requirements with productivity needs. Organizations should establish baseline configurations that disable unnecessary file format support and implement automated scanning of project files before they enter production workflows. Security monitoring solutions should be configured to detect anomalous memory access patterns or unexpected code execution within After Effects processes, providing early warning capabilities for potential exploitation attempts. The vulnerability serves as a reminder of the critical importance of keeping creative software updated, particularly in environments where large numbers of users process third-party assets from untrusted sources. Adobe's security advisory recommends that all users upgrade to the latest version immediately, with the patched versions implementing proper bounds checking and memory validation routines to prevent the out-of-bounds write conditions that enable this exploit.