CVE-2025-59231 - Vulnerability Details - OpenCVE

Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Microsoft	365 365 Apps Excel Excel 2016 Office Office 2019 Office 2021 Office 2024

No data.

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59231

History

Thu, 23 Oct 2025 13:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Microsoft Microsoft 365 Microsoft 365 Apps Microsoft excel Microsoft excel 2016 Microsoft office Microsoft office 2019 Microsoft office 2021 Microsoft office 2024
Vendors & Products		Microsoft Microsoft 365 Microsoft 365 Apps Microsoft excel Microsoft excel 2016 Microsoft office Microsoft office 2019 Microsoft office 2021 Microsoft office 2024

Tue, 14 Oct 2025 17:15:00 +0000

Type	Values Removed	Values Added
Description		Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Title		Microsoft Excel Remote Code Execution Vulnerability
Weaknesses		CWE-843
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59231
Metrics		cvssV3_1 `{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2025-10-14T17:00:36.540Z

Updated: 2025-10-24T23:07:37.978Z

Reserved: 2025-09-11T00:32:30.952Z

Link: CVE-2025-59231

Vulnrichment

No data.

NVD

Status : Awaiting Analysis

Published: 2025-10-14T17:16:04.390

Modified: 2025-10-14T19:35:56.913

Link: CVE-2025-59231

Redhat

No data.

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