High severity7.8NVD Advisory· Published Oct 13, 2021· Updated Jun 17, 2026
CVE-2021-40474
CVE-2021-40474
Description
Microsoft Excel Remote Code Execution Vulnerability
Affected products
12cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:macos:*:*
- cpe:2.3:a:microsoft:office_online_server:-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office_web_apps_server:2013:sp1:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
1- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40474nvdPatchVendor Advisory
News mentions
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