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CVE-2026-53182: wifi: nl80211: reject oversized EMA RNR lists

highCVSS 7CVE-2026-53182

CSIRTS triage

vendor: Linuxproduct: wifiOther
What
The nl80211 subsystem rejects oversized EMA RNR lists.
Who is affected
Deployments using the wifi subsystem in Linux.
Urgency
Remediation is important due to the high severity rating.
Action
Update to the latest kernel version that addresses this issue.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
high — CVSS 7
Published
2026-06-09
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-53182

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-53182coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for wifi

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from Microsoft Security Response Center