8.5

CVE-2021-47825: acer acer updater service Unquoted Search Path or Element

CVSS: 8.5v4.0HighDeferred
Published 16-01-2026Last modified 16-01-2026
Open JSON

Vulnerability summary

CVE-2021-47825 is a high (CVSS 8.5) Unquoted Search Path or Element vulnerability in acer acer updater service. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
44/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.5/10
010
High · v4.0 (CVE.org)
EPSS score
0.17%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database

Timeline

  1. 16-01-2026
    PublishedVulnerability first disclosed.
  2. 16-01-2026
    Last modifiedVulnerability information updated.

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 metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.17%

Chance of exploitation in the next 30 days

Percentile

7%

Versus all other CVEs

30-day change

0.00 pp

From 0.18% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.17%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • exploit-databaselocalwindowsUnverified

    Acer Updater Service 1.2.3500.0 - 'UpdaterService.exe' Unquoted Service Path

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Acer1 product

1 vendor · 1 product

References

3 links