Known Vulnerabilities for Excel by Microsoft

Listed below are 10 of the newest known vulnerabilities associated with "Excel" by "Microsoft".

These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.

Data on known vulnerable versions is also displayed based on information from known CPEs

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2026-128343 json exceljs through 4.4.0 contains a denial of service vulnerability that allows attackers to block the event loop by supplying u... Not Provided 2026-11-13 2026-11-13
CVE-2026-124229 json Deserialization of untrusted data in Microsoft Office Excel allows an unauthorized attacker to execute code with a physical a... Not Provided 2026-11-10 2026-11-10
CVE-2026-124187 json Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. Not Provided 2026-11-10 2026-11-10
CVE-2026-124183 json Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network. Not Provided 2026-11-10 2026-11-11
CVE-2026-124179 json Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network. Not Provided 2026-11-10 2026-11-11
CVE-2026-124178 json Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network. Not Provided 2026-11-10 2026-11-11
CVE-2026-124176 json Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. Not Provided 2026-11-10 2026-11-10
CVE-2026-124174 json Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. Not Provided 2026-11-10 2026-11-10
CVE-2026-124170 json Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. Not Provided 2026-11-10 2026-11-10
CVE-2026-123395 json Improper control of generation of code ('code injection') in Microsoft Office Excel allows an authorized attacker to disclose... Not Provided 2026-11-10 2026-11-11
Results limited to 10 most recent vulnerabilities

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationMicrosoftExcel97
ApplicationMicrosoftExcel97
ApplicationMicrosoftExcel97
ApplicationMicrosoftExcel97
ApplicationMicrosoftExcel97
ApplicationMicrosoftExcel97
ApplicationMicrosoftExcel95
ApplicationMicrosoftExcel4.0
ApplicationMicrosoftExcel3.0
ApplicationMicrosoftExcel2019
ApplicationMicrosoftExcel2019
ApplicationMicrosoftExcel2019
ApplicationMicrosoftExcel2016
ApplicationMicrosoftExcel2016
ApplicationMicrosoftExcel2016
ApplicationMicrosoftExcel2016
ApplicationMicrosoftExcel2016
ApplicationMicrosoftExcel2013
ApplicationMicrosoftExcel2013
ApplicationMicrosoftExcel2013
Results limited to 20 most recent known configurations

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