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

Fri, 13 Feb 2026 19:30:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft office 2016
Microsoft office 2019
Microsoft office 2021
Microsoft office 2024
Microsoft office Macos 2021
Microsoft office Macos 2024
CPEs cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:microsoft:office_2016:*:*:*:*:*:*:x86:*
cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*
cpe:2.3:a:microsoft:office_2021:*:*:*:*:ltsc:*:*:*
cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*
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 office 2016
Microsoft office 2019
Microsoft office 2021
Microsoft office 2024
Microsoft office Macos 2021
Microsoft office Macos 2024

Mon, 19 May 2025 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft
Microsoft 365 Apps
Microsoft excel
Microsoft office
Microsoft office Long Term Servicing Channel
Microsoft office Online Server
Weaknesses CWE-787
CPEs cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*
cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:-:*:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:macos:*:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:-:*:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:macos:*:*
cpe:2.3:a:microsoft:office_online_server:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft 365 Apps
Microsoft excel
Microsoft office
Microsoft office Long Term Servicing Channel
Microsoft office Online Server

Tue, 13 May 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 13 May 2025 17:15:00 +0000

Type Values Removed Values Added
Description Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Title Microsoft Excel Remote Code Execution Vulnerability
Weaknesses CWE-122
References
Metrics 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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-02-13T19:20:59.172Z

Reserved: 2025-03-12T17:54:45.711Z

Link: CVE-2025-29979

cve-icon Vulnrichment

Updated: 2025-05-13T18:25:50.456Z

cve-icon NVD

Status : Analyzed

Published: 2025-05-13T17:15:59.110

Modified: 2025-05-19T14:24:30.150

Link: CVE-2025-29979

cve-icon Redhat

No data.