Microsoft Office Online Server vulnerabilities

• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-108446 8.8 HighOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-100212 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-100210 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97775 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97772 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97768 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97777 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97763 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97762 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Information Disclosure Vulnerability CVE-2026-97760 6.5 MediumOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97757 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97746 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97742 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97738 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97010 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97004 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Information Disclosure Vulnerability CVE-2026-97779 6.5 MediumOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97773 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97769 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97756 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97748 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97008 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97007 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97778 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97765 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +10 more +12 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97755 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97739 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97780 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97776 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97771 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97770 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97767 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97758 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97754 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97752 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97751 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97747 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97003 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97766 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97753 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97750 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Information Disclosure Vulnerability CVE-2026-97740 6.5 MediumOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97017 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Excel Remote Code Execution Vulnerability CVE-2026-105718 8.8 HighOctober 13, 2026
• microsoft excel, 365 apps, 365 apps for enterprise +12 more +14 more Microsoft Excel Remote Code Execution Vulnerability CVE-2026-81956 7.8 HighSeptember 8, 2026
• microsoft excel, 365 apps, 365 apps for enterprise +12 more +14 more Microsoft Excel Information Disclosure Vulnerability CVE-2026-81401 5.5 MediumSeptember 8, 2026
• microsoft excel, 365 apps, 365 apps for enterprise +12 more +14 more Microsoft Excel Information Disclosure Vulnerability CVE-2026-81390 5.5 MediumSeptember 8, 2026
• microsoft excel, 365 apps, 365 apps for enterprise +12 more +14 more Microsoft Excel Remote Code Execution Vulnerability CVE-2026-81947 7.8 HighSeptember 8, 2026
• microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 more Microsoft Excel Remote Code Execution Vulnerability CVE-2026-55949 7.8 HighJuly 14, 2026
• microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 more Microsoft Excel Remote Code Execution Vulnerability CVE-2026-55947 7.8 HighJuly 14, 2026
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