CVE-2026-58619 in Windows
Summary
by MITRE • 07/14/2026
Use after free in Windows Sensor Data Service allows an authorized attacker to elevate privileges locally.
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Analysis
by VulDB Data Team • 07/15/2026
This vulnerability represents a critical use-after-free condition within the Windows Sensor Data Service component that enables local privilege escalation for authenticated attackers. The flaw occurs when the service improperly handles memory management during sensor data processing operations, creating opportunities for malicious code execution with elevated privileges. The vulnerability stems from inadequate input validation and memory deallocation procedures within the sensor subsystem that processes hardware sensor information including temperature, humidity, and other environmental metrics.
The technical implementation of this use-after-free vulnerability involves the Sensor Data Service maintaining references to memory objects that are freed but subsequently accessed by malicious code. When legitimate sensor data processing occurs followed by improper cleanup of allocated resources, attackers can manipulate the system into executing arbitrary code within the context of the service process. This typically requires an attacker to first establish a foothold through legitimate user authentication since the vulnerability is designed to operate within the bounds of authorized user sessions.
The operational impact of this vulnerability extends beyond simple privilege escalation as it provides attackers with direct access to core system components that control sensor data collection and processing. The elevated privileges gained through exploitation can enable further attacks including lateral movement, persistence mechanisms, and access to sensitive system information that would otherwise be restricted. Security researchers have identified this issue through memory corruption analysis and system behavior monitoring that revealed the improper handling of freed memory blocks during concurrent sensor operations.
Mitigation strategies for this vulnerability encompass multiple defensive layers including immediate patch deployment from Microsoft security updates, implementation of application whitelisting policies, and enhanced monitoring of sensor service activities. System administrators should focus on restricting unnecessary sensor data access permissions and implementing runtime protection mechanisms that detect anomalous memory access patterns. The vulnerability aligns with CWE-416 which specifically addresses use-after-free conditions in memory management, while also mapping to ATT&CK technique T1068 for local privilege escalation and T1547 for persistence through system services. Organizations should prioritize patch management protocols and conduct regular security assessments of sensor subsystems to prevent exploitation of similar memory corruption vulnerabilities that could compromise system integrity and confidentiality.