High severity7.8NVD Advisory· Published Jun 9, 2026· Updated Jun 11, 2026

CVE-2026-45457

Description

Untrusted pointer dereference in Microsoft Office Word 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/Office3 versions
cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:macos:-:*+ 2 more
- cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:macos:-:*
- cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:macos:-:*
- (no CPE)