CVE-2026-9789

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.

CVSS v4.0

8.5 HIGHCVSS: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

EPSS

0.15% chance of exploitation in the next 30 days, 5th percentile

Published

2026-05-28

Proof-of-concept exploits (1)

• ugvxb/CVE-2026-97890★ · 2026-05-30

References

• CVE Record
• NVD entry

Related

• CVE-2026-9490
• CVE-2026-9769
• CVE-2026-9806
• CVE-2026-9710
• CVE-2026-9807
• CVE-2026-9709