Privilege escalation in Microsoft Windows Update stack

1) Improper access control

EUVDB-ID: #VU95526

Risk: Low

CVSSv3.1: 5.5 [CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2024-38202

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

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

The vulnerability exists due to improper access restrictions in Windows Backup when performing system restore. A local user can trick or convince an Administrator or a user with delegated permissions into performing a system restore and escalate privileges on the system.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Windows: 10 10.0.10240.20651 - 11 23H2 10.0.22631.3880

Windows Server: 2016 10.0.14393.10 - 2022 23H2 10.0.25398.887

CPE2.3

• cpe:2.3:o:microsoft:windows:10 1809:10.0.17763.6054:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:11 21H2:10.0.22000.3079:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10 1607:10.0.14393.7159:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:11 23H2:10.0.22631.3880:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:11 22H2:10.0.22621.9630:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10:10.0.10240.20710:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10 22H2:10.0.19045.4651:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10 21H2:10.0.19044.4651:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10:10.0.10240.20680:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10:10.0.10240.20651:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10 21H1:10.0.19043.2364:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10 20H2:10.0.19042.2965:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10 2004:10.0.19041.1415:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10 1909:10.0.18363.2274:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10 1903:10.0.18362.1256:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10 1803:10.0.17134.2208:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2019:10.0.17763.1:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2022:10.0.20348.202:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2016:10.0.14393.10:*:*:*:*:*:*

External links

http://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38202

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.