CVE-2026-63513: Microsoft Office Graphics Component Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Other sources
Microsoft Office Graphics Component 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 16.112.26081010 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in https://aka.ms/OfficeSecurityReleases - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.5565.1001Patch KB5002897
Event History
Frequently Asked Questions
What is the severity of CVE-2026-63513?
CVE-2026-63513 has a high severity rating of 7.8.
How do I fix CVE-2026-63513?
To fix CVE-2026-63513, you should apply the latest security updates provided by Microsoft for affected versions of Microsoft Office.
What software is affected by CVE-2026-63513?
CVE-2026-63513 affects Microsoft Office 2016, Microsoft 365 Apps for Enterprise, Microsoft Office 365 for Mac, and various editions of Microsoft Office LTSC 2024 and 2021.
What type of vulnerability is CVE-2026-63513?
CVE-2026-63513 is classified as a heap-based buffer overflow vulnerability.
What can an attacker do by exploiting CVE-2026-63513?
By exploiting CVE-2026-63513, an unauthorized attacker can execute arbitrary code locally on the affected system.