CVE-2018-0982 in Windows
Summary
by MITRE
An elevation of privilege vulnerability exists in the way that the Windows Kernel API enforces permissions, aka "Windows Elevation of Privilege Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers.
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Analysis
by VulDB Data Team • 10/13/2025
The vulnerability identified as CVE-2018-0982 represents a critical elevation of privilege flaw within the Windows kernel API permission enforcement mechanisms. This weakness allows malicious actors to escalate their privileges from standard user level to administrative rights without proper authorization. The vulnerability specifically impacts Windows Server 2016, Windows 10, and Windows 10 Servers, affecting a broad spectrum of enterprise and desktop operating systems. The flaw resides in how the kernel API handles permission checks and access control validation, creating a pathway for unauthorized privilege escalation that bypasses normal security boundaries.
From a technical perspective, this vulnerability stems from improper validation of access tokens and privilege levels within the kernel execution context. The Windows kernel API operates under strict security policies that should prevent unauthorized access to system resources and administrative functions. However, CVE-2018-0982 demonstrates a failure in this enforcement mechanism where certain API calls do not properly verify the requesting process's privilege level before granting access to protected resources. This creates a scenario where a low-privilege process can manipulate kernel-level operations to gain elevated permissions through crafted API invocations or by exploiting specific code paths that should be restricted to administrators only.
The operational impact of this vulnerability is severe and multifaceted across enterprise environments. Once exploited, attackers can gain full administrative control over affected systems, enabling them to install malicious software, modify system configurations, access sensitive data, and establish persistent backdoors. The vulnerability's presence in Windows Server 2016 and Windows 10 platforms makes it particularly dangerous as these systems often serve as critical infrastructure components including domain controllers, file servers, and application servers. The attack surface extends beyond individual machines to potentially compromise entire network domains if exploited at scale, as the elevated privileges can be used to move laterally through network segments and access additional systems.
Security professionals should note that this vulnerability aligns with CWE-276, which describes improper permissions and access control mechanisms in software systems. The flaw specifically relates to inadequate privilege validation within kernel APIs and represents a classic example of insufficient access control validation that enables unauthorized privilege escalation. From the MITRE ATT&CK framework perspective, this vulnerability maps to privilege escalation techniques under the T1068 category, specifically targeting the Windows kernel to gain administrative privileges. Organizations should implement immediate mitigations including applying Microsoft security patches, monitoring for suspicious API usage patterns, and implementing enhanced access control measures. The vulnerability demonstrates the critical importance of kernel-level security controls and highlights the necessity of maintaining up-to-date system patches to prevent exploitation of fundamental operating system flaws that could compromise entire enterprise infrastructures.