CVE-2025-53759 HIGH

CVE-2025-53759: Microsoft Excel Remote Code Execution Vulnerability

Vendor Microsoft
Product Microsoft 365 Apps for Enterprise
Weakness CWE-908
Published August 12, 2025
Last update February 26, 2026

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS 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

What the vulnerability does

01Description

Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Key dates

02Disclosure timeline

August 12, 2025 CVE published
February 26, 2026 Record updated