SB20251015141 - Multiple vulnerabilities in Microsoft Office

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2025-59234)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in Microsoft Office. A remote attacker can trick a victim to open a specially crafted file and execute arbitrary code on the target system.

2) Uncaught Exception (CVE-ID: CVE-2025-59229)

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

The vulnerability exists due to uncaught exception in Microsoft Office. A remote attacker can trick a victim to open a specially crafted file and cause a denial of service condition on the target system.

3) Use-after-free (CVE-ID: CVE-2025-59227)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in Microsoft Office. A remote attacker can trick a victim to open a specially crafted file and execute arbitrary code on the target system.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-59234
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-59229
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-59227