Privilege escalation in Microsoft Windows 10 Update Assistant

Published: 2019-10-09 | Updated: 2019-10-09
Severity Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2019-1378
CWE ID CWE-264
Exploitation vector Local
Public exploit N/A
Vulnerable software Windows Subscribe
Vendor Microsoft

Security Advisory

This security advisory describes one low risk vulnerability.

1) Permissions, Privileges, and Access Controls

Severity: Low

CVSSv3: 6.8 [CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2019-1378

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to an error in Windows 10 Update Assistant. A local authenticated user can execute arbitrary code and escalate privileges on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10

CPE External links

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

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.