Description
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Published: 2026-10-13
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

No solution or workaround provided in the CVE record.

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Tracking

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Advisories

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History

Fri, 16 Oct 2026 18:00:00 +0000

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

Wed, 14 Oct 2026 17:00:00 +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:*

Tue, 13 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 13 Oct 2026 19:15:00 +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 Office Excel Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft 365 Apps
Microsoft office 2021
Microsoft office 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:*:*:*
Vendors & Products Microsoft
Microsoft 365 Apps
Microsoft office 2021
Microsoft office 2024
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 Apps Microsoft Office Ltsc 2021 Microsoft Office Ltsc 2024 Office 2021 Office 2024
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-10-16T17:33:25.515Z

Reserved: 2026-09-23T20:52:28.738Z

Link: CVE-2026-97009

cve-icon Vulnrichment

Updated: 2026-10-13T19:36:59.631Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-13T19:22:09.930

Modified: 2026-10-14T16:48:01.117

Link: CVE-2026-97009

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-16T17:45:13Z

Weaknesses