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

> A local attacker can crash the Acer Care Center service by sending a crafted message to a weakly secured named pipe, requiring a software update.

- **Severity:** Medium 6.8 (`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`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 25 May 2026
- **Updated:** 26 May 2026
- **Also known as:** GHSA-7cww-6v7x-9gjw

## What is CVE-2026-9490?

CVE-2026-9490 is a medium-severity missing authorization vulnerability in Acer Care Center, published on 25 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official 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.

Weakness: CWE-269 (Improper Privilege Management)

## Which versions are affected by CVE-2026-9490?

It affects 1 product.


Products: Acer Care Center.

## How do I fix CVE-2026-9490?

No fix has been published for CVE-2026-9490 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-9490 being exploited?

There is no known exploitation of CVE-2026-9490 in the wild and no public exploit code.

Public exploit code:

- The 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). (github_poc): https://github.com/ugvxb/CVE-2026-9490

## Other vulnerabilities in Acer Care Center

- [CVE-2022-24285](https://insights.sbomify.com/CVE-2022-24285/): Privilege escalation in n/a (high 7.8)
- [CVE-2021-45975](https://insights.sbomify.com/CVE-2021-45975/): Other in n/a (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-9490 and fix it if it is affected.

What it is: CVE-2026-9490 is a medium-severity missing authorization vulnerability in Acer Care Center, published on 25 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-9490 in the wild and no public exploit code.

Affected product: Acer Care Center. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-9490/ (Markdown: https://insights.sbomify.com/CVE-2026-9490/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-9490
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-9490
- OSV: https://osv.dev/vulnerability/CVE-2026-9490

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-9490/
Summaries are generated and may contain mistakes; the official description above is the record.