CVE-2021-47825

HIGH

Acer Updater Service 1.2.3500.0 - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-47825. PoCs published by Emmanuel Lujan.

AI-analyzed exploit summary This is a writeup describing an unquoted service path vulnerability in Acer Updater Service 1.2.3500.0. The vulnerability allows local privilege escalation if an attacker can place an executable in a path that the service resolves due to the unquoted path.

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

This is a writeup describing an unquoted service path vulnerability in Acer Updater Service 1.2.3500.0. The vulnerability allows local privilege escalation if an attacker can place an executable in a path that the service resolves due to the unquoted path.

Classification
Writeup 90%
Attack Type
Lpe
Complexity
Moderate
Reliability
Theoretical
Target: Acer Updater Service 1.2.3500.0
Auth required
Prerequisites: Local access to the system · Ability to write to a directory in the service path
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory exploit
https://www.exploit-db.com/exploits/49890

Scores

CVSS v3 7.8
EPSS 0.0016
EPSS Percentile 5.5%
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