CVE-2026-26107: Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
Other sources
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
— Microsoft
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-26107?
CVE-2026-26107 is classified as a critical severity vulnerability due to its potential for remote code execution.
How do I fix CVE-2026-26107?
To address CVE-2026-26107, it is essential to apply the latest security updates provided by Microsoft for the affected Office products.
What products are affected by CVE-2026-26107?
CVE-2026-26107 affects various Microsoft Office products, including Office LTSC 2021, Office LTSC 2024, and Microsoft Excel 2016.
How can CVE-2026-26107 be exploited?
CVE-2026-26107 can be exploited through a malicious Excel file that executes arbitrary code on the target system.
Is there a workaround for CVE-2026-26107?
Currently, the recommended action for CVE-2026-26107 is to apply the security update, as there are no known workarounds that completely mitigate the risk.