Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
History

Fri, 23 Oct 2026 16:00:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft microsoft Office Ltsc 2021
Microsoft microsoft Office Ltsc 2024
Microsoft microsoft Office Ltsc For Mac 2021
Microsoft microsoft Office Ltsc For Mac 2024
Vendors & Products Microsoft microsoft Office Ltsc 2021
Microsoft microsoft Office Ltsc 2024
Microsoft microsoft Office Ltsc For Mac 2021
Microsoft microsoft Office Ltsc For Mac 2024

Mon, 19 Oct 2026 20:45:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft microsoft 365
CPEs cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*
cpe:2.3:a:microsoft:microsoft_365:-:*:*:*:*: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_2021:-:*:*:*:ltsc:macos:-:*
cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x64:*
cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x86:*
cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:macos:-:*
Vendors & Products Microsoft microsoft 365

Fri, 16 Oct 2026 02:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Thu, 15 Oct 2026 21:00:00 +0000

Type Values Removed Values Added
Description Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
Title Microsoft Office Outlook Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft 365 Apps
Microsoft office 2021
Microsoft office 2024
Microsoft office 365
Microsoft office Macos 2021
Microsoft office Macos 2024
Weaknesses CWE-122
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:*:*:*
cpe:2.3:a:microsoft:office_365:*:*:*:*:*:macos:*:*
cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*
cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*
Vendors & Products Microsoft
Microsoft 365 Apps
Microsoft office 2021
Microsoft office 2024
Microsoft office 365
Microsoft office Macos 2021
Microsoft office Macos 2024
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}


cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-10-15T20:57:27.955Z

Updated: 2026-10-23T22:19:54.336Z

Reserved: 2026-10-09T21:52:56.479Z

Link: CVE-2026-108448

cve-icon Vulnrichment

Updated: 2026-10-16T01:03:35.081Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-15T21:17:10.440

Modified: 2026-10-19T20:39:14.320

Link: CVE-2026-108448

cve-icon Redhat

No data.