CVE-2025-62563: Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
Other sources
Use after free in Microsoft Office Excel 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 16.0.10417.20075Patch KB5002817 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.5530.1000Patch KB5002818
Event History
Frequently Asked Questions
What is the severity of CVE-2025-62563?
CVE-2025-62563 has a critical severity level due to its potential for remote code execution.
What versions of Microsoft Office are affected by CVE-2025-62563?
CVE-2025-62563 affects multiple versions including Office LTSC for Mac 2021 and 2024, and Microsoft Excel 2016.
How do I fix CVE-2025-62563?
To fix CVE-2025-62563, users should install the latest security updates provided by Microsoft.
What type of vulnerability is CVE-2025-62563?
CVE-2025-62563 is classified as a use after free vulnerability allowing unauthorized code execution.
Can CVE-2025-62563 be exploited remotely?
Yes, CVE-2025-62563 can be exploited remotely, allowing attackers to execute code without physical access.