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TI-2021-22441 Aliases CVE-2021-47825GHSA-px27-jf47-v6g6

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

Priority HIGH 72CWE-428Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-428.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00174 6th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AcerAcer Updater Service1.2.3500.0—No fix listedCNA
  • Acer Updater Service VendorAcer Affected 1.2.3500.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-47825
  2. 2026-10-03 Alias added: GHSA-px27-jf47-v6g6

References

Exploit 1

Other 1

  • TI-2022-19876 Acer Altos W2000h-W570h F4 R01.03.0018 was discovered to contain a stack overflow in the… CVSS 3.1CRITICAL 9.8
  • TI-2021-22442 Acer Backup Manager Module 3.0.0.99 - 'IScheduleSvc.exe' Unquoted Service Path CVSS 4.0HIGH 8.5
  • TI-2020-19111 Global Registration Service 1.0.0.3 - 'GREGsvc.exe' Unquoted Service Path CVSS 4.0HIGH 8.5
  • TI-2019-15356 Acer Launch Manager 6.1.7600.16385 - 'DsiWMIService' Unquoted Service Path CVSS 4.0HIGH 8.5
  • TI-2022-18979 Stack overflow vulnerability in Aspire E5-475G 's BIOS firmware, in the FpGui module, a… CVSS 3.1HIGH 7.8
  • TI-2022-12625 There is a stack buffer overflow vulnerability, which could lead to arbitrary code… CVSS 3.1HIGH 7.8
See all 75 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences