CVE-2025-21186

Published: Jan 14, 2025

Modified: Feb 26, 2026

PUBLISHED

CVSS v3.1

7.8

HIGH

Microsoft Access Remote Code Execution Vulnerability

Vendor	Product	Versions
Microsoft	Microsoft 365 Apps for Enterprise	affected `16.0.1 - < https://aka.ms/OfficeSecurityReleases`
Microsoft	Microsoft Access 2016	affected `16.0.0 - < 16.0.5483.1001`
Microsoft	Microsoft Access 2016 (32-bit edition)	affected `16.0.0 - < 16.0.5483.1001`
Microsoft	Microsoft Office 2019	affected `19.0.0 - < https://aka.ms/OfficeSecurityReleases`
Microsoft	Microsoft Office LTSC 2021	affected `16.0.1 - < https://aka.ms/OfficeSecurityReleases`
Microsoft	Microsoft Office LTSC 2024	affected `16.0.0 - < https://aka.ms/OfficeSecurityReleases`

CVSS v3.1 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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

vendor-advisory

patch

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.