CVE-2026-9490
Acer Care Center creates a Named Pipe with a weak Security Descriptor
- Published
- May 25, 2026
- Updated
- May 26, 2026
- Assigning CNA
- Acer
- Evidence observed
- Aug 28, 2026
Primary CVSS
nvd · CVSS 4.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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:M/U:XLow · next 30 days
- Percentile
- 7.0%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
A security vulnerability has been identified in Acer Care Center where the ACCSvc service creates a Named Pipe with a weak Security Descriptor. This vulnerability allows an authenticated local user to connect and send a specially crafted message (message type 0x03) to the pipe, causing the service to crash with exit code 1067 (ERROR_PROCESS_ABORTED). To mitigate this potential local service disruption, Acer requires users to update the software to the latest version.
Sources
1The ACCSvc service creates a Named Pipe with a weak Security Descriptor that allows any authenticated user to connect and send messages. When a specially crafted message (message type 0x03) is sent to the pipe, the service crashes with exit code 1067 (ERROR_PROCESS_ABORTED).
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