High severity7.8NVD Advisory· Published Jul 14, 2026· Updated Jul 16, 2026
CVE-2026-50301
CVE-2026-50301
Description
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Affected products
11(expand)+ 6 more
- (no CPE)
- cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x64:*
- cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x86:*
- 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:-:x64:*
- cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x86:*
cpe:2.3:a:microsoft:office_2016:-:*:*:*:-:*:x64:*+ 1 more
- cpe:2.3:a:microsoft:office_2016:-:*:*:*:-:*:x64:*
- cpe:2.3:a:microsoft:office_2016:-:*:*:*:-:*:x86:*
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50301nvdPatchVendor Advisory
News mentions
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