High severity7.8NVD Advisory· Published Nov 10, 2021· Updated Jun 17, 2026
CVE-2021-40442
CVE-2021-40442
Description
Microsoft Excel Remote Code Execution Vulnerability
Affected products
16cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:*:*+ 4 more
- cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:excel:2013:sp1:*:*:rt:*:*:*range: 15.0.0.0
- cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x86:*range: 16.0.0.0
- (no CPE)
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:*:*range: 16.0.1
- 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:*:*:*:*:*:*
cpe:2.3:a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:sharepoint_server:2013:sp1:*:*:enterprise:*:*:*range: 15.0.0
Patches
Vulnerability mechanics
References
1- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40442nvdPatchVendor Advisory
News mentions
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