Multiple vulnerabilities in Microsoft Windows Update Stack

Published: 2024-04-10

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-26236 CVE-2024-26235
CWE-ID	CWE-591 CWE-306
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	Windows Server Operating systems & Components / Operating system
Vendor	Microsoft

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Sensitive Data Storage in Improperly Locked Memory

EUVDB-ID: #VU88387

Risk: Low

CVSSv3.1: 6.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26236

CWE-ID: CWE-591 - Sensitive Data Storage in Improperly Locked Memory

Exploit availability: No

Description

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

The vulnerability exists due to sensitive data storage in improperly locked memory in Windows Update Stack. A local user can cause a race condition and gain elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows Server: 2019 - 2022 23H2

External links

http://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26236

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.

2) Missing Authentication for Critical Function

EUVDB-ID: #VU88388

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26235

CWE-ID: CWE-306 - Missing Authentication for Critical Function