CVE-2026-64435: audit: Fix data races of skb_queue_len() readers on audit_queue

highCVSS 7.1CVE-2026-64435

CSIRTS triage

vendor: null product: nullOther

What: Data races of skb_queue_len() readers on audit_queue have been fixed.
Who is affected: Deployments using the audit subsystem are affected.
Urgency: Remediation is necessary to prevent potential issues, although exploitation status is currently unknown.
Action: Implement the fix for CVE-2026-64435.

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 7.1
Published: 2026-07-14
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-64435

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.

Low exploitation riskCVE-2026-644350.42% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 35% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-64435	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

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