SB2025070840 - Multiple vulnerabilities in Microsoft Windows Hyper-V

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Missing Synchronization (CVE-ID: CVE-2025-47999)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to missing synchronization in Windows Hyper-V. A remote user on the local network can cause a denial of service condition on the target system.

2) Integer overflow (CVE-ID: CVE-2025-48002)

The vulnerability allows a remote attacker to gain access to sensitive information on the system.

The vulnerability exists due to integer overflow in Windows Hyper-V. A remote user on the local network can pass specially crafted data to the application, trigger integer overflow and disclose sensitive information on the target system.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-47999
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-48002