CVE-2021-34518: Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
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 15.0.5363.1000Patch KB5001993 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.5188.1000Patch KB5001977 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 15.0.5363.1000Patch KB5001986 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.5188.100Patch KB5001977
Event History
Frequently Asked Questions
What is CVE-2021-34518?
CVE-2021-34518 is a Microsoft Excel Remote Code Execution Vulnerability.
Is CVE-2021-34518 different from CVE-2021-34501?
Yes, CVE-2021-34518 is unique from CVE-2021-34501.
Which software are affected by CVE-2021-34518?
Microsoft Excel 2013 SP1 (x64 and x86), Microsoft Excel 2016 (x64 and x86), and Microsoft Office Web Apps Server 2013 SP1 are affected by CVE-2021-34518.
What is the severity of CVE-2021-34518?
CVE-2021-34518 has a severity value of 7.8, which is classified as high.
How can I learn more about CVE-2021-34518?
You can find more information about CVE-2021-34518 on the Microsoft Security Guidance Advisory page at: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34518