CVE-2026-102857: Microsoft Office Visio Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Visio allows an unauthorized attacker to execute code over a network.
Other sources
Microsoft Office Visio Remote Code Execution Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.17932.21056 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.14334.20974 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in https://aka.ms/OfficeSecurityReleases
Event History
Frequently Asked Questions
What must an attacker be able to do to exploit this issue?
The attacker can attempt exploitation over the network and does not need prior privileges. User interaction is required for successful exploitation.
Which Microsoft products should be assessed for exposure?
Assess Microsoft 365 Apps for Enterprise, Microsoft Office Visio, and Microsoft Office LTSC 2021 and 2024 in both 32-bit and 64-bit editions.
What is the potential impact of successful exploitation?
Successful exploitation can allow code execution and is rated as having high impacts on confidentiality, integrity, and availability.