SB2025040889 - Multiple vulnerabilities in Microsoft Visual Studio

Description

This security bulletin contains information about 2 vulnerabilities.

1) Improper access control (CVE-ID: CVE-2025-29804)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in Visual Studio. A remote user can bypass implemented security restrictions and gain elevated privileges on the system.

2) Insecure DLL loading (CVE-ID: CVE-2025-29802)

CWE-ID: CWE-427 - Uncontrolled Search Path Element

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner in Visual Studio. A remote user can place a specially crafted .dll file and gain elevated privileges on the system.

Remediation

Install update from vendor's website.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29804
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29802