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

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Sat, 31 Oct 2026 01:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-20
CWE-78

Fri, 30 Oct 2026 22:00:00 +0000

Type Values Removed Values Added
Description Microsoft Office Outlook Remote Code Execution Vulnerability Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code locally.
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}

cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}


Mon, 05 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
CPEs 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:*

Wed, 30 Sep 2026 15:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-122

Sat, 26 Sep 2026 07:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-20
CWE-78

Sat, 26 Sep 2026 05:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-94

Thu, 24 Sep 2026 22:45:00 +0000

Type Values Removed Values Added
Description Microsoft Outlook Remote Code Execution Vulnerability Microsoft Office Outlook Remote Code Execution Vulnerability
Title Microsoft Outlook Remote Code Execution Vulnerability Microsoft Office Outlook Remote Code Execution Vulnerability

Thu, 24 Sep 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 24 Sep 2026 00:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-94

Wed, 23 Sep 2026 22:45:00 +0000

Type Values Removed Values Added
Description Microsoft Outlook Remote Code Execution Vulnerability
Title Microsoft Outlook Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft 365 Apps
Microsoft office 2021
Microsoft office 2024
CPEs cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*
cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*
Vendors & Products Microsoft
Microsoft 365 Apps
Microsoft office 2021
Microsoft office 2024
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-10-31T16:18:11.218Z

Reserved: 2026-08-03T23:31:50.775Z

Link: CVE-2026-70125

cve-icon Vulnrichment

Updated: 2026-09-24T13:28:44.999Z

cve-icon NVD

Status : Modified

Published: 2026-09-23T23:18:12.510

Modified: 2026-10-30T22:17:59.880

Link: CVE-2026-70125

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-31T02:30:15Z

Weaknesses