CVE-2021-47825 HIGH

CVE-2021-47825: Acer Updater Service 1.2.3500.0 - 'UpdaterService.exe' Unquoted Service Path

Vendor Acer
Product Acer Updater Service
Weakness CWE-428
Published January 16, 2026
Last update January 16, 2026
View on NVD All CVEs

CVSS base score

8.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Acer Updater Service 1.2.3500.0 contains an unquoted service path vulnerability that allows local users to execute code with elevated system privileges. Attackers can exploit the unquoted path in C:\Program Files\Acer\Acer Updater\ to inject malicious executables that will run with LocalSystem permissions during service startup.

Key dates

02Disclosure timeline

January 16, 2026 CVE published
January 16, 2026 Record updated