High 7.0Published Apr 26, 2026

CVE-2026-3006Race Condition Vulnerability

Updated under an hour ago (Oct 28, 2026, 5:40 AM ET)

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It affects WinFSP and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

Successful exploitation of the race condition vulnerability could allow an attacker to trigger a kernel heap overflow, potentially leading to local privilege escalation and granting system-level access to the affected software.

CVSS: 7.0 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-362, CWE-368
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: CSA
NVD analysis: Awaiting Analysis
Record last updated: Jul 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

WinFSP WinFSP winfsp:winfsp (from the name)	2.1.25156 and lower	CNA record
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2 redhat:acm	2	CISA ADP

References

References

https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-043
https://github.com/winfsp/winfsp/releases/tag/v2.2B1
https://access.redhat.com/security/cve/CVE-2026-3006
https://bugzilla.redhat.com/show_bug.cgi?id=2463150
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3006.json

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.