What is CVE-2026-9490?

CVE-2026-9490 is a medium-severity vulnerability in Acer Care Center, classified under Improper Privilege Management. CVSS score: 5.5/10. Published 2026-05-25.

How severe is CVE-2026-9490?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2026-9490 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Privilege escalation in Acer Care Center

CVE-2026-9490

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 m…

Vulnerability class: Privilege Escalation

EPSS: 0.000 (3.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Acer Care Center — versions 4.0
Acer Care_center

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

Public proof-of-concept exploits

ugvxb/CVE-2026-9490

References

8fc372e3-d9c5-46e4-9410-38469745c639 (Vendor Advisory)

Frequently asked questions

What is CVE-2026-9490?: CVE-2026-9490 is a medium-severity vulnerability in Acer Care Center, classified under Improper Privilege Management. CVSS score: 5.5/10. Published 2026-05-25.
How severe is CVE-2026-9490?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2026-9490 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.