Vulnerability in Acer Updater Service
CVE-2021-47825
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 · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (6.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Acer Updater Service — versions 1.2.3500.0
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/49890 (exploit)
- www.acer.com/ac/en/US/content/home (product)
- www.vulncheck.com/advisories/acer-updater-service-updaterserviceexe-unquoted-se… (third-party-advisory)
Frequently asked questions
- What is CVE-2021-47825?
- CVE-2021-47825 is a high-severity vulnerability in Acer Updater Service, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-01-16.
- How severe is CVE-2021-47825?
- High severity. CVSS v3 base score is 7.8 out of 10.