High severity7.8NVD Advisory· Published Jan 16, 2026· Updated Apr 15, 2026

CVE-2021-47825

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.

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Affected products

Macrovision/Update Servicellm-fuzzy
Range: = 1.2.3500.0

Patches

Vulnerability mechanics

References

www.acer.com/ac/en/US/content/homenvd
www.exploit-db.com/exploits/49890nvd
www.vulncheck.com/advisories/acer-updater-service-updaterserviceexe-unquoted-service-pathnvd

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