Microsoft Office Long Term Servicing Channel vulnerabilities

• microsoft office, excel, excel for android +5 more +7 more Microsoft Office Spoofing Vulnerability CVE-2026-42832 7.7 HighMay 12, 2026
• microsoft office, 365 apps, 365 apps for enterprise +4 more +6 more Microsoft Office Click-To-Run Elevation of Privilege Vulnerability CVE-2026-40420 8.8 HighMay 12, 2026
• microsoft office, 365 apps, 365 apps for enterprise +4 more +6 more Microsoft Office Click-To-Run Elevation of Privilege Vulnerability CVE-2026-35436 8.8 HighMay 12, 2026
• microsoft office, 365 apps, 365 apps for enterprise +4 more +6 more Microsoft Office Click-To-Run Elevation of Privilege Vulnerability CVE-2026-40418 7.8 HighMay 12, 2026
• microsoft office, word, 365 apps +12 more +14 more Microsoft Word Remote Code Execution Vulnerability CVE-2026-40367 8.4 HighMay 12, 2026
• microsoft excel, office, 365 apps +9 more +11 more Microsoft Excel Remote Code Execution Vulnerability CVE-2026-40362 7.8 HighMay 12, 2026
• microsoft office, word, 365 apps +8 more +10 more Microsoft Outlook and Word Remote Code Execution Vulnerability CVE-2026-40361 8.4 HighMay 12, 2026
• microsoft excel, office, 365 apps +9 more +11 more Microsoft Excel Remote Code Execution Vulnerability CVE-2026-40359 7.8 HighMay 12, 2026
• microsoft office, 365 apps, 365 apps for enterprise +7 more +9 more Microsoft Office Remote Code Execution Vulnerability CVE-2026-40358 8.4 HighMay 12, 2026
• microsoft office, 365 copilot, office for android +3 more +5 more Microsoft Office Remote Code Execution Vulnerability CVE-2026-42831 7.8 HighMay 12, 2026
• microsoft office, word, 365 apps +6 more +8 more Microsoft Word Information Disclosure Vulnerability CVE-2026-40421 4.3 MediumMay 12, 2026
• microsoft office, 365 apps, 365 apps for enterprise +4 more +6 more Microsoft Office Click-To-Run Elevation of Privilege Vulnerability CVE-2026-40419 7.8 HighMay 12, 2026
• microsoft office, word, 365 apps +8 more +10 more Microsoft Word Remote Code Execution Vulnerability CVE-2026-40366 8.4 HighMay 12, 2026
• microsoft office, word, 365 apps +8 more +10 more Microsoft Word Remote Code Execution Vulnerability CVE-2026-40364 8.4 HighMay 12, 2026
• microsoft office, 365 apps, 365 copilot +9 more +11 more Microsoft Office Remote Code Execution Vulnerability CVE-2026-40363 8.4 HighMay 12, 2026
• microsoft excel, office, 365 apps +9 more +11 more Microsoft Excel Information Disclosure Vulnerability CVE-2026-40360 7.8 HighMay 12, 2026
• microsoft office, word, 365 apps +6 more +8 more Microsoft Word Information Disclosure Vulnerability CVE-2026-35440 5.5 MediumMay 12, 2026
• microsoft 365 apps, 365 apps for enterprise, office ltsc 2021 +4 more +6 more Microsoft Word Remote Code Execution Vulnerability CVE-2026-33115 8.4 HighApril 14, 2026
• microsoft 365 apps, 365 apps for enterprise, office ltsc 2021 +4 more +6 more Microsoft Word Remote Code Execution Vulnerability CVE-2026-33114 8.4 HighApril 14, 2026
• microsoft office, powerpoint, 365 apps +6 more +8 more Microsoft PowerPoint Remote Code Execution Vulnerability CVE-2026-32200 7.8 HighApril 14, 2026
• microsoft excel, office, 365 apps +9 more +11 more Microsoft Excel Remote Code Execution Vulnerability CVE-2026-32199 7.8 HighApril 14, 2026
• microsoft excel, office, 365 apps +9 more +11 more Microsoft Excel Remote Code Execution Vulnerability CVE-2026-32198 7.8 HighApril 14, 2026
• microsoft excel, office, 365 apps +9 more +11 more Microsoft Excel Remote Code Execution Vulnerability CVE-2026-32197 7.8 HighApril 14, 2026
• microsoft office, 365 apps, 365 apps for enterprise +7 more +9 more Microsoft Office Remote Code Execution Vulnerability CVE-2026-32190 8.4 HighApril 14, 2026
• microsoft 365 apps, 365 apps for enterprise, office ltsc 2024 +1 more +3 more Microsoft Word Remote Code Execution Vulnerability CVE-2026-23657 7.8 HighApril 14, 2026
• microsoft 365 apps, 365 apps for enterprise, office ltsc for mac 2021 +2 more +4 more Microsoft Word Information Disclosure Vulnerability CVE-2026-33822 6.1 MediumApril 14, 2026
• microsoft 365 apps, 365 apps for enterprise, office ltsc 2021 +4 more +6 more Microsoft Word Remote Code Execution Vulnerability CVE-2026-33095 7.8 HighApril 14, 2026
• microsoft excel, office, 365 apps +9 more +11 more Microsoft Excel Remote Code Execution Vulnerability CVE-2026-32189 7.8 HighApril 14, 2026
• microsoft excel, office, 365 apps +9 more +11 more Microsoft Excel Information Disclosure Vulnerability CVE-2026-32188 7.1 HighApril 14, 2026
• microsoft office, 365 apps, 365 copilot +9 more +11 more Microsoft Office Remote Code Execution Vulnerability CVE-2026-26110 8.4 HighMarch 10, 2026
• microsoft excel, office, 365 apps +9 more +11 more Microsoft Excel Remote Code Execution Vulnerability CVE-2026-26109 8.4 HighMarch 10, 2026
• microsoft excel, office, 365 apps +9 more +11 more Microsoft Excel Remote Code Execution Vulnerability CVE-2026-26108 7.8 HighMarch 10, 2026
• microsoft excel, office, 365 apps +9 more +11 more Microsoft Excel Remote Code Execution Vulnerability CVE-2026-26107 7.8 HighMarch 10, 2026
• microsoft office, 365 apps, 365 apps for enterprise +11 more +13 more Microsoft Office Remote Code Execution Vulnerability CVE-2026-26113 8.4 HighMarch 10, 2026
• microsoft excel, office, 365 apps +9 more +11 more Microsoft Excel Remote Code Execution Vulnerability CVE-2026-26112 7.8 HighMarch 10, 2026
• microsoft excel, office, 365 apps +9 more +11 more Microsoft Excel Information Disclosure Vulnerability CVE-2026-21261 5.5 MediumFebruary 10, 2026
• microsoft office, 365 apps, 365 apps for enterprise +12 more +14 more Microsoft Outlook Spoofing Vulnerability CVE-2026-21511 7.5 HighFebruary 10, 2026
• microsoft office, 365 apps, 365 apps for enterprise +5 more +7 more Microsoft Word Security Feature Bypass Vulnerability CVE-2026-21514 In KEVPublic exploit 7.8 HighFebruary 10, 2026
• microsoft office, outlook, 365 apps +10 more +12 more Microsoft Outlook Spoofing Vulnerability CVE-2026-21260 7.5 HighFebruary 10, 2026
• microsoft excel, office, 365 apps +9 more +11 more Microsoft Excel Information Disclosure Vulnerability CVE-2026-21258 5.5 MediumFebruary 10, 2026
• microsoft excel, office, 365 apps +7 more +9 more Microsoft Excel Elevation of Privilege Vulnerability CVE-2026-21259 7.8 HighFebruary 10, 2026
• microsoft office, 365 apps, 365 apps for enterprise +5 more +7 more Microsoft Office Security Feature Bypass Vulnerability CVE-2026-21509 In KEVPublic exploit EPSS 70.8% 7.8 HighJanuary 26, 2026
• microsoft excel, office, 365 apps +9 more +11 more Microsoft Excel Remote Code Execution Vulnerability CVE-2026-20957 7.8 HighJanuary 13, 2026
• microsoft office, 365 apps, 365 apps for enterprise +7 more +9 more Microsoft Office Remote Code Execution Vulnerability CVE-2026-20952 8.4 HighJanuary 13, 2026
• microsoft excel, office, 365 apps +9 more +11 more Microsoft Excel Remote Code Execution Vulnerability CVE-2026-20950 7.8 HighJanuary 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office ltsc 2021 +4 more +6 more Microsoft Excel Security Feature Bypass Vulnerability CVE-2026-20949 7.8 HighJanuary 13, 2026
• microsoft office, word, 365 apps +11 more +13 more Microsoft Word Remote Code Execution Vulnerability CVE-2026-20948 7.8 HighJanuary 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office ltsc 2021 +4 more +6 more Microsoft Excel Remote Code Execution Vulnerability CVE-2026-20956 7.8 HighJanuary 13, 2026
• microsoft office, 365 apps, 365 apps for enterprise +7 more +9 more Microsoft Excel Remote Code Execution Vulnerability CVE-2026-20955 7.8 HighJanuary 13, 2026
• microsoft office, 365 apps, 365 apps for enterprise +7 more +9 more Microsoft Office Remote Code Execution Vulnerability CVE-2026-20953 8.4 HighJanuary 13, 2026
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