CVE-2026-64907: Microsoft Office Word Remote Code Execution Vulnerability
Microsoft Office Word Remote Code Execution Vulnerability
Other sources
Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
— 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 https://aka.ms/OfficeSecurityReleases - 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 16.0.5565.1000Patch KB5002901
Event History
Frequently Asked Questions
What is the severity of CVE-2026-64907?
CVE-2026-64907 has a severity rating of high, with a score of 7.8.
How do I fix CVE-2026-64907?
To fix CVE-2026-64907, ensure that you update your Microsoft Office applications to the latest version provided by Microsoft.
What types of software are affected by CVE-2026-64907?
CVE-2026-64907 affects Microsoft Office Word, including 2016, 2019, 2021, 2024, and Microsoft 365 Apps for Enterprise.
What potential impact does CVE-2026-64907 have?
CVE-2026-64907 can allow an unauthorized attacker to execute code locally due to a stack-based buffer overflow vulnerability.
Is there any mitigation for CVE-2026-64907?
As of now, the best mitigation for CVE-2026-64907 is to apply security updates and patches provided by Microsoft.