Junction File Manipulation

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Summary

CVECVE-2026-33694
StatePUBLISHED
Assignertenable
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-23 19:17:28 UTC
Updated2026-04-24 14:50:56 UTC
DescriptionThis vulnerability allows an attacker to create a junction, enabling the deletion of arbitrary files with SYSTEM privileges. As a result, this condition potentially facilitates arbitrary code execution, whereby an attacker may exploit the vulnerability to execute malicious code with elevated SYSTEM privileges.

Risk And Classification

Primary CVSS: v4.0 7.4 HIGH from [email protected]

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.000150000 probability, percentile 0.028480000 (date 2026-04-26)

Problem Types: CWE-59 | CWE-59 CWE-59 Improper link resolution before file access ('link following')

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary7.4HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/C...
4.0CNACVSS7.4HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
Active
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
High
Sub Integrity
High
Sub Availability
High

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Tenable Inc. Tenable Nessus Tenable Nessus Agent affected Nessus Agent 11.1.2 .msi Windows
CNA Tenable Inc. Tenable Nessus Tenable Nessus Agent affected Nessus 10.11.3 .msi Windows

References

ReferenceSourceLinkTags
tenable.com/security/tns-2026-13 [email protected] tenable.com
tenable.com/security/tns-2026-12 [email protected] tenable.com
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