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TI-2020-19111 Aliases CVE-2020-36976GHSA-56p5-hjp2-w73q

Global Registration Service 1.0.0.3 - 'GREGsvc.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 Global Registration Service 1.0.0.3 contains an unquoted service path vulnerability in its service configuration that allows local users to potentially execute arbitrary code. Attackers can exploit the unquoted path in C:\Program Files (x86)\Acer\Registration\ to inject malicious executables that would run with elevated LocalSystem privileges during service startup.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00178 7th 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
AcerGlobal Registration Service1.0.0.3—No fix listedCNA
  • Global Registration Service VendorAcer Affected 1.0.0.3 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-2020-36976
  2. 2026-10-03 Alias added: GHSA-56p5-hjp2-w73q

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-2021-22441 Acer Updater Service 1.2.3500.0 - 'UpdaterService.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