EUVD-2026-56520
GHSA-4j5v-ghx8-mgmr
Severity by source
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/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 WiFi vector, no privileges or interaction; scope changed because kernel crash terminates all user-space processes beyond the driver itself.
Primary rating from Vendor (intel).
CVSS VectorVendor: intel
Lifecycle Timeline
2DescriptionCVE.org
Stack-based buffer overflow for some Intel(R) PROSet/Wireless WiFi Software for Windows within Ring 0: Kernel may allow a denial of service. Unprivileged software 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 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 (high) impacts.
AnalysisAI
Kernel-mode stack overflow in Intel PROSet/Wireless WiFi Software for Windows allows adjacent unauthenticated attackers to crash affected systems, resulting in a full system denial of service. The flaw resides in Ring 0 (kernel privilege level) WiFi driver code, meaning a successful exploit triggers a kernel panic or Blue Screen of Death rather than a user-space crash. No public exploit or CISA KEV listing has been identified at time of analysis, and no exact patched version is confirmed in the available reference data - the Intel advisory INTEL-SA-01468 should be consulted directly.
Technical ContextAI
CWE-121 (Stack-based Buffer Overflow) describes a condition where a program writes beyond the allocated stack frame, overwriting adjacent memory such as return addresses or saved registers. In this case the vulnerable code runs in Ring 0, the highest privilege level on x86/x64 Windows, as part of Intel's kernel-mode WiFi driver. A stack overflow at this level typically cannot be caught by user-space exception handlers and results in a kernel stop error (BSOD). The affected product is identified via CPE cpe:2.3:a:n/a:intel(r)_proset/wireless_wifi_software_for_windows:*:*:*:*:*:*:*:*, covering all versions on Windows with no specific version bounding in available data. The adjacent attack vector (AV:A in CVSS 4.0) indicates the triggering input arrives over the local wireless medium - crafted 802.11 frames or similar protocol-level packets processed by the driver before full OS-layer filtering.
RemediationAI
Consult Intel Security Advisory INTEL-SA-01468 at https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01468.html for the specific fixed software version; no exact patched release version is independently confirmed in the data available for this analysis. Until a patch is applied, compensating controls include disabling the Intel PROSet/Wireless WiFi adapter via Device Manager or Group Policy when wireless connectivity is not operationally required - this removes the vulnerable kernel driver from the attack surface entirely but sacrifices wireless connectivity. Alternatively, deploying 802.11 management frame protection (MFP/PMF per IEEE 802.11w) at the wireless infrastructure level may raise the bar for crafting valid triggering frames, though this does not eliminate the vulnerability. In high-risk environments (public venues, shared office spaces), restricting use of Intel WiFi-equipped endpoints to trusted, isolated SSIDs reduces adjacency exposure. Do not rely on host-based firewalls as a mitigation, since the vulnerability is processed below the IP stack in the kernel driver.
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Same weakness CWE-121 – Stack-based Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
Leaving vuln.today