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CVE-2026-64015: security/keys: fix missed RCU read section on lookup

highCVSS 7.1CVE-2026-64015

CSIRTS triage

Other
What
The security keys may miss RCU read section on lookup.
Who is affected
Deployments using security keys.
Urgency
Remediation is high urgency due to the high severity of the issue.
Action
Apply the patch for CVE-2026-64015.

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

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-2026-64015

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-2026-64015coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

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