CVE-2026-41952 in DeviceLock DLP
Summary
by MITRE • 04/29/2026
Local privilege escalation due to improper input validation. The following products are affected: Acronis DeviceLock DLP (Windows) before build 9.0.93212, Acronis Cyber Protect Cloud Agent (Windows) before build 42183.
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Analysis
by VulDB Data Team • 06/11/2026
This vulnerability represents a critical local privilege escalation flaw that stems from inadequate input validation mechanisms within specific Acronis security products running on windows operating systems. The issue affects two distinct product lines: Acronis DeviceLock DLP and Acronis Cyber Protect Cloud Agent, both of which are designed to provide enterprise-level data protection and device management capabilities. The vulnerability manifests when these applications fail to properly validate user inputs during critical operations, creating opportunities for malicious actors to exploit the system through crafted input sequences that bypass intended security controls. This weakness allows an attacker with local access to potentially elevate their privileges from standard user level to administrative rights, fundamentally compromising the security posture of affected systems.
The technical nature of this vulnerability aligns with common security flaws categorized under cwe-20, which specifically addresses "improper input validation" as a fundamental weakness in software design. When applications fail to validate input parameters properly, they become susceptible to various attack vectors including buffer overflows, injection attacks, and privilege escalation exploits. In the context of these Acronis products, the improper validation likely occurs during system calls, configuration modifications, or administrative command processing where user-supplied data is not adequately sanitized before being processed by the application. The vulnerability's impact is particularly severe given that these products are designed for enterprise environments where they often operate with elevated privileges to perform device management and data protection functions.
The operational impact of this vulnerability extends beyond simple privilege escalation, as it represents a significant threat to enterprise security infrastructure. Organizations deploying these affected versions of Acronis DeviceLock DLP or Cyber Protect Cloud Agent face potential compromise of their entire endpoint security ecosystem. Attackers could leverage this vulnerability to gain administrative access to systems, potentially enabling them to modify security policies, disable protection mechanisms, access sensitive data, or establish persistent backdoors within the network. The attack surface is particularly concerning because these products are typically installed with elevated privileges to perform their security functions, making the privilege escalation opportunity especially valuable to threat actors. The vulnerability affects systems running windows operating systems and is specifically present in builds prior to 9.0.93212 for DeviceLock DLP and 42183 for Cyber Protect Cloud Agent, indicating a targeted scope that requires careful patch management.
Organizations should prioritize immediate remediation of this vulnerability through the application of available security patches from Acronis, as the risk of exploitation increases with the presence of unpatched systems within enterprise networks. The mitigation strategy should include comprehensive vulnerability assessment across all affected product installations, followed by immediate patch deployment to eliminate the privilege escalation vector. Security teams should also implement monitoring for suspicious privilege elevation activities and conduct thorough review of system access logs to detect potential exploitation attempts. The vulnerability's classification under cwe-20 highlights the importance of robust input validation practices in security-critical applications, and organizations should review their software development lifecycle processes to prevent similar issues in other applications. Additionally, implementing principle of least privilege controls and regular security assessments can help reduce the potential impact of such vulnerabilities even when they are not immediately patched. This vulnerability serves as a reminder of the critical importance of maintaining up-to-date security software and the potential consequences of delayed patch management in enterprise environments.