SB2025101470 - Multiple vulnerabilities in Microsoft Windows Authentication

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Improper Validation of Specified Type of Input (CVE-ID: CVE-2025-55701)

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

The vulnerability exists due to insufficient validation of user-supplied input in Windows Authentication. A local user can run a specially crafted application and gain elevated privileges on the target system.

2) Input validation error (CVE-ID: CVE-2025-59278)

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

The vulnerability exists due to insufficient validation of user-supplied input in Windows Authentication. A local user can run a specially crafted application and gain elevated privileges on the target system.

3) Input validation error (CVE-ID: CVE-2025-59275)

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

The vulnerability exists due to insufficient validation of user-supplied input in Windows Authentication. A local user can run a specially crafted application and gain elevated privileges on the target system.

4) Input validation error (CVE-ID: CVE-2025-59277)

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

The vulnerability exists due to insufficient validation of user-supplied input in Windows Authentication. A local user can run a specially crafted application and gain elevated privileges on the target system.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-55701
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-59278
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-59275
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-59277