SB2025040874 - Multiple vulnerabilities in Microsoft Office 



SB2025040874 - Multiple vulnerabilities in Microsoft Office

Published: April 8, 2025

Security Bulletin ID SB2025040874
Severity
High
Patch available
YES
Number of vulnerabilities 7
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 71% Medium 14% Low 14%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 7 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2025-27748)

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 download and open a specially crafted file and execute arbitrary code on the target system.


2) Use-after-free (CVE-ID: CVE-2025-29792)

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 user can trick a victim to open a specially crafted file and execute arbitrary code on the target system.


3) Use-after-free (CVE-ID: CVE-2025-27749)

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 download and open a specially crafted file and execute arbitrary code on the target system.


4) Use-after-free (CVE-ID: CVE-2025-27746)

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 download and open a specially crafted file and execute arbitrary code on the target system.


5) Improper access control (CVE-ID: CVE-2025-27744)

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in Microsoft Office. A local user can bypass implemented security restrictions and gain elevated privileges on the system.


6) Use-after-free (CVE-ID: CVE-2025-27745)

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 download and open a specially crafted file and execute arbitrary code on the target system.


7) Integer overflow (CVE-ID: CVE-2025-26642)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in Microsoft Office. A remote attacker can trick a victim to download and open a specially crafted file, trigger integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.