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.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
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
Which versions are affected by CVE-2026-9490?
It affects 1 product.
Products include 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.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
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: 1 proofs of concept on GitHub.
Other vulnerabilities in Acer Care Center
Sources
Also known as GHSA-7cww-6v7x-9gjw.