Description
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Published: 2025-09-09
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-27303 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
History

Wed, 19 Nov 2025 23:45:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft excel 2016
Microsoft office Macos 2021
Microsoft office Macos 2024
CPEs cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:microsoft:excel_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 excel 2016
Microsoft office Macos 2021
Microsoft office Macos 2024

Mon, 15 Sep 2025 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft 365
Microsoft office 2019
Microsoft office 2021
Microsoft office 2024
Microsoft office For Mac
Vendors & Products Microsoft 365
Microsoft office 2019
Microsoft office 2021
Microsoft office 2024
Microsoft office For Mac

Fri, 12 Sep 2025 17:00:00 +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
CPEs cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*
cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x86:*
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x86:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:-:x64:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:-:x86:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:macos:*:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:-:x64:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:-:x86:*
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, 09 Sep 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 09 Sep 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'}


Subscriptions

Microsoft 365 365 Apps Excel Excel 2016 Office Office 2019 Office 2021 Office 2024 Office For Mac Office Long Term Servicing Channel Office Macos 2021 Office Macos 2024 Office Online Server
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-02-26T17:48:51.522Z

Reserved: 2025-07-31T18:54:19.611Z

Link: CVE-2025-54900

cve-icon Vulnrichment

Updated: 2025-09-09T17:28:37.856Z

cve-icon NVD

Status : Analyzed

Published: 2025-09-09T17:16:01.120

Modified: 2025-09-12T16:50:48.290

Link: CVE-2025-54900

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-09-15T10:44:00Z

Weaknesses