SB2025111191 - Multiple vulnerabilities in Microsoft Excel
Published: November 11, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 8 secuirty vulnerabilities.
1) Untrusted Pointer Dereference (CVE-ID: CVE-2025-62200)
The vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to untrusted pointer dereference in Microsoft Excel. A remote attacker can trick a victim to open a specially crafted file and execute arbitrary code on the target system.
2) Out-of-bounds read (CVE-ID: CVE-2025-60726)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in Microsoft Excel. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger an out-of-bounds read error and read contents of memory on the system.
3) Out-of-bounds read (CVE-ID: CVE-2025-60727)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in Microsoft Excel. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger an out-of-bounds read error and read contents of memory on the system, leading to arbitrary code execution.
4) Untrusted Pointer Dereference (CVE-ID: CVE-2025-60728)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to untrusted pointer dereference in Microsoft Office Excel. A remote attacker can trick a victim to open a specially crafted file and gain unauthorized access to sensitive information on the system.
5) Information disclosure (CVE-ID: CVE-2025-59240)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application in Microsoft Excel. A remote attacker can trick a victim to open a specially crafted file and gain unauthorized access to sensitive information on the system.
6) Heap-based buffer overflow (CVE-ID: CVE-2025-62201)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Microsoft Excel. A remote attacker can trick a victim to open a specially crafted file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
7) Out-of-bounds read (CVE-ID: CVE-2025-62202)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in Microsoft Excel. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger an out-of-bounds read error and read contents of memory on the system.
8) Use-after-free (CVE-ID: CVE-2025-62203)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in Microsoft Excel. 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-2025-62200
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-60726
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-60727
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-60728
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-59240
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-62201
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-62202
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-62203