EUVD-2026-56506
GHSA-3xgp-xx47-qg49
Severity by source
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/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
Adjacent network vector with no privilege requirement, user interaction maps to UI:R in 3.1; impact is availability-only with no scope change.
Primary rating from Vendor (intel).
CVSS VectorVendor: intel
Lifecycle Timeline
2DescriptionCVE.org
Out-of-bounds write for some Intel(R) PROSet/Wireless WiFi Software for Windows within Ring 2: Device Drivers may allow a denial of service. Network adversary with an unauthenticated user combined with a low complexity attack may enable denial of service. This result may potentially occur via adjacent access when attack requirements are not present without special internal knowledge and requires passive 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 (low) impacts.
AnalysisAI
Out-of-bounds write in Intel PROSet/Wireless WiFi Software for Windows (Ring 2: Device Drivers) enables a denial-of-service condition exploitable from adjacent network position without authentication. The memory corruption flaw in the Windows WiFi driver stack can be triggered with passive user interaction, causing high availability impact to the vulnerable system and a residual low availability impact to subsequently connected systems. No public exploit code has been identified at time of analysis, and Intel has published advisory INTEL-SA-01422 addressing this issue.
Technical ContextAI
CWE-787 (Out-of-Bounds Write) describes a classic memory safety flaw where the driver writes data past the end of an allocated buffer, corrupting adjacent memory. The affected component operates at Ring 2 - the Windows kernel device driver layer - meaning the out-of-bounds write occurs in privileged kernel-mode memory rather than user space. The affected software is identified via CPE cpe:2.3:a:n/a:intel(r)_proset/wireless_wifi_software_for_windows:*:*:*:*:*:*:*:*, indicating all tracked versions of Intel's PROSet/Wireless WiFi stack for Windows are potentially affected. Because the flaw resides in a network-facing driver, crafted adjacent-network traffic (e.g., malformed 802.11 management or data frames) could be the trigger vector without any higher-layer protocol involvement.
RemediationAI
The primary remediation is to apply the updated Intel PROSet/Wireless WiFi Software for Windows driver package referenced in Intel Security Advisory INTEL-SA-01422 (https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01422.html). An exact patched version number is not confirmed in the available intelligence - the advisory should be consulted directly for the specific fixed driver version. As an interim compensating control where patching is not immediately possible, restricting endpoint exposure to untrusted adjacent networks (e.g., disabling Wi-Fi on shared/public networks, enforcing 802.1X network access control on corporate wireless) would reduce exploitability by limiting adjacency opportunities. Disabling Wi-Fi entirely and relying on wired connectivity eliminates the attack surface but may not be operationally viable. Note that these controls address exposure rather than the root vulnerability.
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Same weakness CWE-787 – Out-of-bounds Write
View allSame technique Buffer Overflow
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External POC / Exploit Code
Leaving vuln.today