Oct 2026: Microsoft Office Excel Remote Code Execution Vulnerability: CVE-2026-97775 October 2026

Oct 2026: Microsoft Office Excel Remote Code Execution Vulnerability
CVE-2026-97775 Published on October 13, 2026

Microsoft Office Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

Weakness Types

What is a Dangling pointer Vulnerability?

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

CVE-2026-97775 has been classified to as a Dangling pointer vulnerability or weakness.

What is a Resource Exhaustion Vulnerability?

The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

CVE-2026-97775 has been classified to as a Resource Exhaustion vulnerability or weakness.

Products Associated with CVE-2026-97775

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Affected Versions

Version 16.0.1 and below https://aka.ms/OfficeSecurityReleases is affected.

Version 1.0.0 and below 16.114.26101123 is affected.

Version 16.0.1 and below 16.0.14334.20974 is affected.

Version 16.0.0 and below 16.0.17932.21056 is affected.

Version 16.0.1 and below 16.114.26101123 is affected.

Version 16.0.0 and below 16.114.26101123 is affected.