CVE-2025-59231

HIGH

Microsoft 365 Apps < 16.0.10417.20059 - Type Confusion

Title source: rule
STIX 2.1

Description

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

References (1)

Scores

CVSS v3 7.8
EPSS 0.0011
EPSS Percentile 29.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-843
Status published
Products (6)
microsoft/365_apps (2 CPE variants)
microsoft/excel 2016 (2 CPE variants)
microsoft/office 2019 (2 CPE variants)
microsoft/office_long_term_servicing_channel 2021 (3 CPE variants)
microsoft/office_long_term_servicing_channel 2024 (3 CPE variants)
microsoft/office_online_server < 16.0.10417.20059
Published Oct 14, 2025
Tracked Since Feb 18, 2026