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Acer NitroSense CVE-2026-9789

| EUVD-2026-32700 HIGH
Path Traversal (CWE-22)
2026-05-28 Acer GHSA-pcjv-vg43-2hf7
8.5
CVSS 4.0
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CVSS VectorNVD

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
May 28, 2026 - 03:25 vuln.today
CVSS changed
May 28, 2026 - 03:22 NVD
8.5 (HIGH)

DescriptionNVD

A Local Privilege Escalation (LPE) vulnerability affects Acer NitroSense software versions prior to 3.01.3052. The vulnerability stems from the the PSAdminAgent service, which creates a Named Pipe with a weak Access Control List (ACL). This allows any authenticated local user to connect and send commands. Because the service does not check the caller's privileges before running file deletion commands, a low-privileged local user can exploit this to delete arbitrary files with system authority.

AnalysisAI

Local privilege escalation in Acer NitroSense software versions prior to 3.01.3052 allows any authenticated local user to delete arbitrary files with SYSTEM authority by abusing a weakly-ACL'd Named Pipe exposed by the PSAdminAgent service. No public exploit has been identified at time of analysis, but the issue was disclosed by Acer themselves and a patched version is available.

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RemediationAI

Within 24 hours: Identify and inventory all systems running Acer NitroSense versions prior to 3.01.3052 using asset management or endpoint tools; create a prioritized remediation list by business unit. Within 7 days: Deploy Acer NitroSense version 3.01.3052 or later via patch management infrastructure (SCCM, Intune, or equivalent); target minimum 80% completion on all identified systems. …

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CVE-2026-9789 vulnerability details – vuln.today

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