Is CVE-2026-46166 actively exploited?

No active exploitation of CVE-2026-46166 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-46166 be exploited remotely?

Partially. CVE-2026-46166 requires adjacent network access (same network segment) to exploit.

What is the CVSS score of CVE-2026-46166?

CVE-2026-46166 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2026-46166

Published: May 28, 2026· Updated: May 30, 2026

8.8

CVSS v3.1

EPSS:0.02%probability of exploitation in 30 daysPercentile:4.9th

Official Description

In the Linux kernel, the following vulnerability has been resolved:

wifi: mac80211: use safe list iteration in radar detect work

The call to ieee80211_dfs_cac_cancel can cause the iterated chanctx to

be freed and removed from the list. Guard against this to avoid a

slab-use-after-free error.

NVD Source

Technical Analysis

CVE-2026-46166 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.