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Vulnerability record · CVE-2021-47825 · published 16 January 2026

CVE-2021-47825: Unquoted search path vulnerability

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.

8.5 CVSS 4.0 High EPSS 0.18% · top 93.5% CWE-428 · Unquoted search path Deferred
8.5CVSS 4.0 base score
0.18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://www.acer.com/ac/en/US/content/home
https://www.exploit-db.com/exploits/49890
https://www.vulncheck.com/advisories/acer-updater-service-updaterserviceexe-unquoted-service-path

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Source: NIST National Vulnerability Database (record CVE-2021-47825), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.