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7.8

Microsoft Office allows unauthorized code execution locally

CVE-2025-62554 · published 11 months ago
Summary

A bug in Microsoft Office can let an attacker run their own code on a computer, potentially leading to data theft or system damage. This issue affects certain versions of Microsoft Office and can be exploited by malicious users. Users should update to the latest version of Microsoft Office to fix this issue.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
microsoft 365_apps All versions
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
microsoft office 2016
2019
cpe:2.3:a:microsoft:office:-:*:*:*:*:android:*:*
microsoft office_long_term_servicing_channel 2021
2024
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:-:x64:*
Original advisory text
Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
7.8 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-843Type Confusion
Timeline
Published9 Dec 2025
Updated4 Nov 2026
First seen7 Mar 2026
Sources
CVE-2025-62554 · NVD
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