Product:
Microsoft Office Excel
Summary
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally. This vulnerability can lead to significant impacts on confidentiality, integrity, and availability. Attackers can exploit this flaw to gain unauthorized access and execute arbitrary code.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7.8 | CVE-2026-26112 |
Exploitation
To exploit this vulnerability, an attacker must have local access to the affected system and require user interaction. By manipulating the application to dereference an untrusted pointer, the attacker can execute malicious code. This typically involves tricking the user into opening a specially crafted file that triggers the vulnerability.
Affected Products
- Microsoft Office Excel: A widely used spreadsheet application that is vulnerable to untrusted pointer dereference, allowing local code execution.
Mitigation
To mitigate this vulnerability, users should ensure that they apply the latest security updates provided by Microsoft. Additionally, users should avoid opening untrusted files and be cautious of any unexpected prompts or requests for permissions when using Excel.