Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sun, 18 Oct 2026 01:15:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft microsoft 365 Apps For Enterprise
Microsoft microsoft Office 365 For Mac
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 365 Apps For Enterprise
Microsoft microsoft Office 365 For Mac
Microsoft microsoft Office Ltsc 2021
Microsoft microsoft Office Ltsc 2024
Microsoft microsoft Office Ltsc For Mac 2021
Microsoft microsoft Office Ltsc For Mac 2024

Wed, 14 Oct 2026 12:45:00 +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

Wed, 14 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 13 Oct 2026 19:15:00 +0000

Type Values Removed Values Added
Description Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
Title Microsoft Office Excel Information Disclosure 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-125
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': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-10-16T23:24:34.349Z

Reserved: 2026-09-09T21:59:30.885Z

Link: CVE-2026-88184

cve-icon Vulnrichment

Updated: 2026-10-13T19:51:31.324Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-13T19:21:39.410

Modified: 2026-10-15T21:19:07.803

Link: CVE-2026-88184

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-18T01:00:14Z

Weaknesses