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Description

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.

PUBLISHED Reserved 2026-01-14 | Published 2026-01-16 | Updated 2026-01-16 | Assigner VulnCheck




HIGH: 8.5CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
HIGH: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem types

Unquoted Search Path or Element

Product status

1.2.3500.0
affected

Credits

Emmanuel Lujan finder

References

www.exploit-db.com/exploits/49890 (ExploitDB-49890) exploit

www.acer.com/ac/en/US/content/home (Acer Official Homepage) product

www.vulncheck.com/...updaterserviceexe-unquoted-service-path (VulnCheck Advisory: Acer Updater Service 1.2.3500.0 - 'UpdaterService.exe' Unquoted Service Path) third-party-advisory

cve.org (CVE-2021-47825)

nvd.nist.gov (CVE-2021-47825)

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