TI-2019-01089 Aliases CVE-2019-1378 GHSA-pj9q-rwff-m7f4

Incorrect permission assignment in Microsoft Windows Update Assistant

LOW 37CWE-732Published 2019-10-10 · Updated 2024-08-04

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

An elevation of privilege vulnerability exists in Windows 10 Update Assistant in the way it handles permissions.A locally authenticated attacker could run arbitrary code with elevated system privileges, aka 'Windows 10 Update Assistant Elevation of Privilege Vulnerability'.

Why it matters now

EPSS 0.01311 70th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Microsoft	Windows Update Assistant	all versions	—	No fix listed	CNA

Windows Update Assistant VendorMicrosoft Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:microsoft:windows_10_update_assistant:-:::::::*	not specified by NVD	Vulnerable	Microsoft

cpe:2.3:a:microsoft:windows_10_update_assistant:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2019-1378
2026-10-03 Alias added: GHSA-pj9q-rwff-m7f4

References

Patch 1

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1378

TI-2021-15022 Windows 10 Update Assistant Elevation of Privilege Vulnerability CVSS 3.1HIGH 7.8
TI-2021-18730 Windows 10 Update Assistant Elevation of Privilege Vulnerability CVSS 3.1HIGH 7.8
TI-2021-19222 Windows 10 Update Assistant Elevation of Privilege Vulnerability CVSS 3.1HIGH 7.1

Sources

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