CVE-2026-70125

Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code locally.
References
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*: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:*

History

30 Oct 2026, 22:17

Type Values Removed Values Added
CVSS v2 : unknown
v3 : 8.8
v2 : unknown
v3 : 7.8
Summary (en) Microsoft Office Outlook Remote Code Execution Vulnerability (en) Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code locally.

05 Oct 2026, 18:11

Type Values Removed Values Added
First Time Microsoft
Microsoft office 2024
Microsoft 365 Apps
Microsoft office 2021
References () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70125 - () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70125 - Patch, Vendor Advisory
CPE cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x64:*
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*
cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:-:x86:*
cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x64:*
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x86:*

30 Sep 2026, 16:18

Type Values Removed Values Added
CWE CWE-122

24 Sep 2026, 23:18

Type Values Removed Values Added
Summary (en) Microsoft Outlook Remote Code Execution Vulnerability (en) Microsoft Office Outlook Remote Code Execution Vulnerability

23 Sep 2026, 23:18

Type Values Removed Values Added
New CVE

Information

Published : 2026-09-23 23:18

Updated : 2026-10-30 22:17


NVD link : CVE-2026-70125

Mitre link : CVE-2026-70125

CVE.ORG link : CVE-2026-70125


JSON object : View

Products Affected

microsoft

  • office_2024
  • office_2021
  • 365_apps
CWE
CWE-122

Heap-based Buffer Overflow