Race Condition Vulnerability

Summary

CVECVE-2026-3006
StatePUBLISHED
AssignerCSA
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-27 03:15:59 UTC
Updated2026-04-27 03:15:59 UTC
DescriptionSuccessful 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.

Risk And Classification

Primary CVSS: v3.1 7 HIGH from 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H


VersionSourceTypeScoreSeverityVector
3.15f57b9bf-260d-4433-bf07-b6a79e9bb7d4Secondary7HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS7HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA WinFSP WinFSP affected 2.1.25156 and lower Not specified

References

ReferenceSourceLinkTags
github.com/winfsp/winfsp/releases/tag/v2.2B1 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4 github.com
www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-043 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4 www.csa.gov.sg
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Tay Kiat Loong (en)

Additional Advisory Data

Solutions

CNA: Users and administrators of affected product versions are advised to update to the latest version immediately.

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