CVE-2025-27194 in Media Encoder
Summary
by MITRE • 04/08/2025
Media Encoder versions 25.1, 24.6.4 and earlier are 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.
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Analysis
by VulDB Data Team • 04/09/2025
This vulnerability affects Adobe Media Encoder software versions 25.1, 24.6.4 and earlier, presenting a critical out-of-bounds write flaw that could enable remote code execution. The vulnerability resides in the media processing functionality of the application, specifically within how it handles certain file formats during encoding operations. The flaw occurs when the application processes maliciously crafted media files without proper bounds checking, allowing an attacker to write data beyond the allocated memory buffer. This type of vulnerability falls under CWE-787 Out-of-bounds Write, which is a well-documented weakness in software security that directly maps to the ATT&CK technique T1059.007 Command and Scripting Interpreter: Visual Basic. The vulnerability requires user interaction to exploit, meaning a victim must intentionally open or process a malicious file for the attack to succeed. This interaction requirement makes the exploit less automated but still highly dangerous in targeted scenarios where social engineering or phishing campaigns could be employed to deliver the malicious payload.
The operational impact of this vulnerability extends beyond simple code execution as it allows attackers to potentially gain full control over the victim's system with the privileges of the currently logged-in user. When a user opens a specially crafted media file, the out-of-bounds write can overwrite critical memory locations, potentially corrupting the application's execution flow or injecting malicious code that executes with the same privileges as the legitimate user. This could lead to data theft, system compromise, or further lateral movement within a network environment. The vulnerability affects users who regularly work with multimedia files, making it particularly dangerous for creative professionals, content creators, and media production teams who frequently open various file formats from different sources. Organizations using these older versions of Media Encoder should be particularly concerned as the attack surface includes any workflow that involves processing external media files.
Mitigation strategies for this vulnerability should include immediate patching of all affected Media Encoder versions to the latest releases from Adobe, which contain the necessary memory bounds checking fixes. System administrators should implement strict file validation procedures for media files, particularly those received from external sources or untrusted parties. The principle of least privilege should be enforced where possible, limiting user account permissions to reduce the impact of successful exploitation. Network-based mitigations such as sandboxing media processing applications or implementing content filtering solutions can provide additional protection layers. Security monitoring should be enhanced to detect unusual file processing patterns or attempts to execute unauthorized code. Organizations should also conduct security awareness training to educate users about the risks of opening suspicious media files and the importance of verifying file sources before processing. The vulnerability demonstrates the critical importance of keeping multimedia software updated, as these applications often handle complex file formats that can contain numerous attack vectors. Regular security assessments and vulnerability scanning should include checks for outdated media processing software to prevent similar issues from being exploited in the future.