CVE-2026-65664: 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
Event History
Frequently Asked Questions
What is the severity of CVE-2026-65664?
CVE-2026-65664 has a high severity rating of 7.8.
How do I fix CVE-2026-65664?
To fix CVE-2026-65664, ensure that you apply the latest security updates released by Microsoft for affected Office products.
What types of software are affected by CVE-2026-65664?
CVE-2026-65664 affects several Microsoft Office versions, including Microsoft 365 Apps for Enterprise and Microsoft Office LTSC 2024.
What is the potential impact of CVE-2026-65664?
CVE-2026-65664 allows an unauthorized attacker to execute code locally through a heap-based buffer overflow vulnerability.
When was CVE-2026-65664 published?
CVE-2026-65664 was published on August 11, 2026.