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Mallory
High

Adjacent Network RCE in Windows Native WiFi Miniport Driver

IdentifiersCVE-2026-32161CWE-362· Concurrent Execution using Shared…

CVE-2026-32161 is a critical vulnerability in the Windows Native WiFi Miniport Driver caused by concurrent execution using a shared resource with improper synchronization, i.e., a race condition. The provided content also characterizes the issue as involving a use-after-free condition in the driver. Successful exploitation allows an unauthorized attacker on an adjacent network to trigger code execution on the target system via the vulnerable Wi-Fi driver path. Based on the available information, the flaw is reachable over an adjacent network rather than requiring local execution, but exploitation complexity is described as high.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation results in remote code execution on the affected Windows system from an adjacent network context. Because the flaw is in the Native WiFi Miniport Driver, compromise would occur in a core Windows networking component, potentially giving the attacker execution within a privileged driver-associated context and enabling full system compromise depending on exploit reliability and post-exploitation conditions.

Mitigation

If you can’t patch tonight, do this now.

Until patches are fully deployed, reduce exposure by limiting use of vulnerable systems on untrusted or shared Wi-Fi networks, preferring wired connectivity where feasible, and restricting proximity-based wireless attack opportunities. Systems with Wi-Fi disabled when not required, or removed from high-risk shared wireless environments, will have reduced exposure. No more specific vendor mitigation is provided in the available content.

Remediation

Patch, then assume compromise.

Apply the Microsoft security update that addresses CVE-2026-32161 as part of the May 2026 Patch Tuesday release. Prioritize patching Windows systems that use Wi-Fi and may operate in shared or untrusted wireless environments, since the attack vector is adjacent-network based through the Native WiFi Miniport Driver.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
Microsoft CorporationWindowsoperating_system
Microsoft CorporationWindows 10 1607operating_system
Microsoft CorporationWindows 10 1809operating_system
Microsoft CorporationWindows 10 21h2operating_system
Microsoft CorporationWindows 10 22h2operating_system
Microsoft CorporationWindows 11 23h2operating_system
Microsoft CorporationWindows 11 24h2operating_system
Microsoft CorporationWindows 11 25h2operating_system
Microsoft CorporationWindows 11 26h1operating_system
Microsoft CorporationWindows Server 2012operating_system
Microsoft CorporationWindows Server 2012 R2operating_system
Microsoft CorporationWindows Server 2016operating_system
Microsoft CorporationWindows Server 2019operating_system
Microsoft CorporationWindows Server 2022operating_system
Microsoft CorporationWindows Server 2022 23h2operating_system
Microsoft CorporationWindows Server 2025operating_system
Microsoft CorporationWindows Server 23h2operating_system

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity2

Community discussion across Reddit, Mastodon, and other social sources.