CVE-2021-47825

HIGH

Acer Updater Service 1.2.3500.0 - Privilege Escalation

Title source: llm

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.

Exploits (1)

exploitdb WRITEUP

by Emmanuel Lujan · textlocalwindows

https://www.exploit-db.com/exploits/49890

View Code ZIP pw:eip

References (3)

[Exploit, Third Party Advisory] https://www.exploit-db.com/exploits/49890

[Various Sources] https://www.acer.com/ac/en/US/content/home

[Third Party Advisory] https://www.vulncheck.com/advisories/acer-updater-service-updaterserviceexe-unquoted-service-path

Scores

CVSS v3 7.8

EPSS 0.0001

EPSS Percentile 0.4%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact total

Details

CWE

CWE-428

Status published

Published Jan 16, 2026

Tracked Since Feb 18, 2026