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CVE-2026-32188 Details

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.1 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

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URL	Source(s)	Tag(s)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32188	[email protected]	Vendor Advisory

CWE-ID	CWE Name	Source
CWE-125	Out-of-bounds Read	[email protected]

Product	Versions
microsoft 365 apps	All versions
CPE cpe:2.3:a:microsoft:365_apps:-::::enterprise::x64:* cpe:2.3:a:microsoft:365_apps:-::::enterprise::x86:* Remediation No remediation found in references.
microsoft excel	2016
CPE cpe:2.3:a:microsoft:excel:2016::::::x64: cpe:2.3:a:microsoft:excel:2016::::::x86: Remediation No remediation found in references.
microsoft office	2019
CPE cpe:2.3:a:microsoft:office:2019::::::x64: cpe:2.3:a:microsoft:office:2019::::::x86: Remediation No remediation found in references.
microsoft office long term servicing channel	2021 2024
CPE 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:: Remediation No remediation found in references.
microsoft office online server	All versions
CPE cpe:2.3:a:microsoft:office_online_server:-:::::::* Remediation No remediation found in references.

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