High severity8.4NVD Advisory· Published Jun 9, 2026· Updated Jun 11, 2026

CVE-2026-45458

Description

Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.

Microsoft/365 Apps2 versions
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*+ 1 more
- cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
- cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*
Microsoft/Microsoft 365
cpe:2.3:a:microsoft:microsoft_365:-:*:*:*:*:macos:*:*
Microsoft/Office9 versions
cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x64:*+ 8 more
- cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x64:*
- cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x86:*
- cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:macos:-:*
- cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x64:*
- cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x86:*
- cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:macos:-:*
- cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x64:*
- cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x86:*
- (no CPE)
Microsoft/Sharepoint Server3 versions
cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*+ 2 more
- cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*
- cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:*range: <16.0.19725.20384
Microsoft/Word2 versions
cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:x64:*+ 1 more
- cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:x64:*
- cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:x86:*