CVE-2026-46166

HIGHNVD 8.88.8—Trending — 3 sources updated this week

8.8

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.

CVSS v3: 8.8
EG Score: 8.8(high)
EPSS: 4.0%
KEV: Not listed

Published

May 28, 2026

Last Modified

May 30, 2026

References (4)

416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/120149fb3ebcf674832ca3cafd32bedcdb686dde
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7577a4b8a10fab45a6ee2045ea038a5adadbb585
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/887ece6c23b49d02a6678e7a8d5ad213d75883ce
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ac8eb3e18f41e2cc8492cc1d358bcb786c850270

Vendor Advisories for CVE-2026-46166(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-pqxf-3wq6-69f8
GitHub Security AdvisoriesHigh
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: use safe...

Data Freshness Timeline

(refreshed 11× in last 7d / 11× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-01 01:12 UTCEG score recompute▲ 8.80
2026-06-01 01:12 UTCGHSA enrichment
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 10:11 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-46166?

CVE-2026-46166 is a high vulnerability published on May 28, 2026. In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: use safe list iteration in radar detect work The call to ieee80211dfscac_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.

When was CVE-2026-46166 disclosed?

CVE-2026-46166 was first published in the National Vulnerability Database on May 28, 2026, with the most recent update on May 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-46166 actively exploited?

CVE-2026-46166 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

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

CVE-2026-46166 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2026-46166?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-46166, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2026-46166

📅 Published

🔄 Last Modified

🔗 References (4)

📣 Vendor Advisories for CVE-2026-46166(1)