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CVE-2026-9490— Acer Care Center creates a Named Pipe with a weak Security Descriptor

Quick assessment

Affected
Acer Care Center
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Acer Care Center是中国宏碁（Acer）公司的系统护理中心，可以备份或恢复您的系统设置和网络驱动程序，以防止系统故障的影响。 Acer Care Center存在安全漏洞，该漏洞源于ACCSvc服务创建的Named Pipe具有弱安全描述符，可能导致经过身份验证的本地用户发送特制消息导致服务崩溃。

AI Predicted 4.3 Difficulty: Trivial EPSS 0.17% · P7

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
Acer Care Center 4.0≤ 4.00.3058 affected
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I. Basic Information for CVE-2026-9490

Vulnerability Information
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Vulnerability Title
Acer Care Center creates a Named Pipe with a weak Security Descriptor
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
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/RE:M
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Acer Care Center 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Acer Care Center是中国宏碁（Acer）公司的系统护理中心，可以备份或恢复您的系统设置和网络驱动程序，以防止系统故障的影响。 Acer Care Center存在安全漏洞，该漏洞源于ACCSvc服务创建的Named Pipe具有弱安全描述符，可能导致经过身份验证的本地用户发送特制消息导致服务崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Acer Care Center 4.0 ~ 4.00.3058 -

II. Public POCs for CVE-2026-9490

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III. Intelligence Information for CVE-2026-9490

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Other References for CVE-2026-9490 (1)

IV. Related Vulnerabilities

Same vendor: Acer
Same weakness: CWE-269

V. Comments for CVE-2026-9490

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