Multiple vulnerabilities in Microsoft Windows Update Stack



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
 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 10.0.17763.1 - 2022 23H2

CPE2.3 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

Exploit availability: No

Description

The vulnerability allows a local user to bypass authentication process.

The vulnerability exists due to a missing authentication check in Windows Update Stack. A local user can overwrite arbitrary files and gain elevated prvileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows Server: 2019 10.0.17763.1 - 2022 23H2

CPE2.3
External links

http://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26235


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.



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