EUVD-2026-56518
GHSA-h84g-5m66-xvc6
Severity by source
CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Local-only vector with high complexity and specific prerequisites maps to AV:L/AC:H; PR:N per source vector; scope unchanged and impact is availability-only DoS with no confidentiality or integrity effect.
Primary rating from Vendor (intel).
CVSS VectorVendor: intel
Lifecycle Timeline
2DescriptionCVE.org
Use after free for some Intel(R) PROSet/Wireless WiFi Software for Windows within Ring 0: Kernel may allow a denial of service. System software adversary with an unauthenticated user combined with a high complexity attack may enable denial of service. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.
AnalysisAI
Use-after-free in the kernel-mode (Ring 0) driver component of Intel PROSet/Wireless WiFi Software for Windows enables a local denial-of-service condition by crashing the affected system. The flaw resides in the most privileged execution ring on x86/x64, meaning a successful trigger causes a kernel panic (BSOD) with no containment boundary below the OS. No active exploitation has been confirmed by CISA KEV, no public exploit code has been identified at time of analysis, and the combination of local-only access with high attack complexity substantially constrains real-world risk.
Technical ContextAI
CWE-416 (Use After Free) occurs when code retains and dereferences a pointer to memory that has already been freed, producing undefined behavior - in kernel space this reliably results in a system crash or arbitrary kernel-mode code execution depending on heap layout. The vulnerability resides in Ring 0, the highest privilege level on x86/x64 processors, where Intel's PROSet/Wireless WiFi driver stack operates. The affected software (CPE: cpe:2.3:a:n/a:intel(r)_proset/wireless_wifi_software_for_windows:*:*:*:*:*:*:*:*) provides WiFi driver and device management services on Windows hosts equipped with Intel wireless adapters. Because the buggy code executes in kernel context, there is no user-space isolation boundary to absorb the crash - a triggered use-after-free directly halts the operating system. The CVSS 4.0 AT:P metric signals that specific attack prerequisites (such as a particular driver state or timing condition) must be present, consistent with the race-condition or state-management nature typical of kernel use-after-free bugs.
RemediationAI
Consult Intel Security Advisory INTEL-SA-01468 at https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01468.html to identify the specific patched release of Intel(R) PROSet/Wireless WiFi Software for Windows and apply it via Intel's Driver & Support Assistant or Windows Update. No exact fixed version number was provided in the available intelligence; the advisory is the authoritative source. As a compensating control pending patch deployment, organizations may restrict local user access to affected endpoints to reduce exposure, given that exploitation requires local presence (AV:L). If Intel WiFi management software is not operationally required on a subset of systems, disabling or uninstalling the PROSet/Wireless management layer removes the attack surface entirely, though this will impact WiFi adapter configuration and management capabilities. Monitor endpoints for unexpected BSODs referencing Intel WiFi driver components (e.g., netw_cx.sys or related Intel wireless driver modules) as a potential indicator of exploitation attempts.
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Same weakness CWE-416 – Use After Free
View allSame technique Denial Of Service
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External POC / Exploit Code
Leaving vuln.today