Microsoft Office Excel Vulnerabilities
Microsoft Office Excel vulnerabilities.
Vulnerability Published:
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Out-of-Bounds Read in Microsoft Office Excel by Microsoft
CVE-2026-45455MicrosoftMicrosoft 365 Apps For...3.3LOWInformation Disclosure Vulnerability in Microsoft Excel by Microsoft
CVE-2026-44822MicrosoftMicrosoft 365 Apps For...8.2HIGHInteger Underflow Vulnerability in Microsoft Excel
CVE-2026-44823MicrosoftMicrosoft 365 Apps For...7.8HIGHInteger Underflow Vulnerability in Microsoft Office Excel by Microsoft
CVE-2026-44820MicrosoftMicrosoft 365 Apps For...7.8HIGHInteger Underflow Vulnerability in Microsoft Office Excel
CVE-2026-44818MicrosoftMicrosoft 365 Apps For...7HIGHInteger Underflow Vulnerability in Microsoft Excel by Microsoft
CVE-2026-44817MicrosoftMicrosoft 365 Apps For...7.8HIGHInteger Underflow Vulnerability in Microsoft Office Excel
CVE-2026-45469MicrosoftMicrosoft 365 Apps For...7.8HIGHImproper Access Control in Microsoft Office
CVE-2026-42832MicrosoftMicrosoft Excel For An...7.7HIGHHeap-Based Buffer Overflow in Microsoft Excel by Microsoft
CVE-2026-40362MicrosoftMicrosoft 365 Apps For...7.8HIGHUse After Free Vulnerability in Microsoft Office Excel
CVE-2026-40359MicrosoftMicrosoft 365 Apps For...7.8HIGHOut-of-Bounds Read Vulnerability in Microsoft Excel
CVE-2026-40360MicrosoftMicrosoft 365 Apps For...7.8HIGHRemote Code Execution Vulnerability in Microsoft Excel
CVE-2026-32199MicrosoftMicrosoft 365 Apps For...7.8HIGHUse After Free Vulnerability in Microsoft Excel
CVE-2026-32198MicrosoftMicrosoft 365 Apps For...7.8HIGHUse After Free Vulnerability in Microsoft Excel
CVE-2026-32197MicrosoftMicrosoft 365 Apps For...7.8HIGHUse After Free Vulnerability in Microsoft Office Excel
CVE-2026-32189MicrosoftMicrosoft 365 Apps For...7.8HIGHInformation Disclosure Vulnerability in Microsoft Office Excel
CVE-2026-32188MicrosoftMicrosoft 365 Apps For...7.1HIGHOut-of-Bounds Read Vulnerability in Microsoft Office Excel by Microsoft
CVE-2026-26109MicrosoftMicrosoft 365 Apps For...8.4HIGHHeap-Based Buffer Overflow in Microsoft Excel
CVE-2026-26108MicrosoftMicrosoft 365 Apps For...7.8HIGHUse After Free Vulnerability in Microsoft Excel
CVE-2026-26107MicrosoftMicrosoft 365 Apps For...7.8HIGHUntrusted Pointer Dereference Vulnerability in Microsoft Office Excel
CVE-2026-26112MicrosoftMicrosoft 365 Apps For...7.8HIGHInformation Disclosure Vulnerability in Microsoft Office Excel
CVE-2026-21261MicrosoftMicrosoft 365 Apps For...5.5MEDIUMInformation Disclosure Vulnerability in Microsoft Office Excel
CVE-2026-21258MicrosoftMicrosoft 365 Apps For...5.5MEDIUMHeap-based Buffer Overflow in Microsoft Office Excel
CVE-2026-21259MicrosoftMicrosoft 365 Apps For...7.8HIGHInteger Underflow Vulnerability in Microsoft Office Excel
CVE-2026-20957MicrosoftMicrosoft 365 Apps For...7.8HIGHUse After Free Vulnerability in Microsoft Office Excel
CVE-2026-20950MicrosoftMicrosoft 365 Apps For...7.8HIGH