CVE-2025-53152 is a use-after-free vulnerability classified under CWE-416, found in the Desktop Windows Manager (DWM) component of Microsoft Windows 10 Version 1507 (build 10.0.10240.0). This vulnerability arises when the DWM improperly manages memory, freeing an object while it is still in use, which can lead to execution of arbitrary code by an attacker. The flaw requires an attacker to have authorized local access with low privileges (PR:L) but does not require user interaction (UI:N). The vulnerability affects the confidentiality, integrity, and availability of the system (C:H/I:H/A:H), allowing an attacker to escalate privileges and execute code with potentially elevated rights. The CVSS v3.1 base score is 7.8, indicating a high severity level. The vulnerability is currently published but no patches or known exploits have been reported yet. The lack of patches means systems remain vulnerable until Microsoft issues an update. The vulnerability is particularly concerning for legacy systems still running the initial release of Windows 10, which is no longer supported and may not receive security updates. Exploitation could lead to full system compromise, data theft, or disruption of services. The vulnerability is local and requires low complexity to exploit, increasing the risk in environments where users have local access but limited privileges.

For European organizations, the impact of CVE-2025-53152 is significant, especially for those still operating legacy Windows 10 Version 1507 systems. Exploitation could lead to unauthorized code execution, allowing attackers to gain elevated privileges, steal sensitive data, disrupt operations, or deploy ransomware and other malware. Critical infrastructure sectors such as finance, healthcare, energy, and government agencies that rely on legacy systems are particularly at risk. The vulnerability compromises confidentiality, integrity, and availability, potentially causing data breaches and operational downtime. Since the flaw requires local access, insider threats or attackers who gain initial footholds through other means could leverage this vulnerability to escalate privileges. The absence of patches increases exposure time, making timely mitigation essential. Organizations with strict regulatory requirements under GDPR and other European data protection laws face additional compliance risks if this vulnerability is exploited.

1. Immediate mitigation should focus on upgrading affected systems from Windows 10 Version 1507 to a supported and fully patched Windows version to eliminate exposure. 2. Restrict local access to systems running this legacy OS to trusted personnel only and enforce strict access controls and monitoring. 3. Implement application whitelisting and endpoint detection and response (EDR) solutions to detect and prevent suspicious activities indicative of exploitation attempts. 4. Harden systems by disabling unnecessary services and limiting user privileges to reduce the attack surface. 5. Monitor system logs and security alerts for unusual behavior related to Desktop Windows Manager or memory corruption attempts. 6. Prepare to deploy patches promptly once Microsoft releases an official fix. 7. Conduct regular security awareness training to reduce the risk of insider threats and unauthorized access. 8. Consider network segmentation to isolate legacy systems from critical infrastructure and sensitive data environments.