Skip to contentMicrosoft 365 vulnerabilities
- microsoft dynamics 365, dynamics 365 (on-premises) version 9.1 +1 moreMicrosoft Dynamics 365 On-Premises Remote Code Execution VulnerabilityCVE-2026-658158.8 High
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-658078.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2019 +8 more +10 moreMicrosoft Office Graphics Component Remote Code Execution VulnerabilityCVE-2026-656647.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2016 +5 more +7 moreMicrosoft Office Remote Code Execution VulnerabilityCVE-2026-656617.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2019 +4 more +6 moreMicrosoft Office Remote Code Execution VulnerabilityCVE-2026-656567.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2019 +8 more +10 moreMicrosoft Office Remote Code Execution VulnerabilityCVE-2026-656577.8 High
- microsoft word, 365 apps, 365 apps for enterprise +6 more +8 moreMicrosoft Office Word Information Disclosure VulnerabilityCVE-2026-635215.5 Medium
- microsoft 365 apps, 365 apps for enterprise, office 2019 +8 more +10 moreMicrosoft Office Graphics Component Remote Code Execution VulnerabilityCVE-2026-635197.8 High
- microsoft word, 365 apps, 365 apps for enterprise +10 more +12 moreMicrosoft Office Word Remote Code Execution VulnerabilityCVE-2026-635187.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2016 +9 more +11 moreMicrosoft Office Graphics Component Information Disclosure VulnerabilityCVE-2026-635175.5 Medium
- microsoft 365 apps, 365 apps for enterprise, office 2016 +9 more +11 moreMicrosoft Office Remote Code Execution VulnerabilityCVE-2026-635157.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2016 +9 more +11 moreMicrosoft Office Graphics Component Remote Code Execution VulnerabilityCVE-2026-635137.8 High
- microsoft office 365 for mac, office for android, office ltsc for mac 2021 +28 more +30 moreWindows Win32k Elevation of Privilege VulnerabilityCVE-2026-628777.8 High
- microsoft office 365 for mac, office for android, office ltsc for mac 2021 +28 more +30 moreWindows Imaging Component Information Disclosure VulnerabilityCVE-2026-627405.5 Medium
- microsoft dynamics 365 business central 2024, dynamics 365 business central 2025, dynamics 365 business central 2026 +5 more +7 moreMicrosoft Dynamics Business Central Information Disclosure VulnerabilityCVE-2026-403756.5 Medium
- microsoft 365 admin center, windows admin center +1 moreMicrosoft 365 Admin Center Elevation of Privilege VulnerabilityCVE-2026-628739.8 Critical
- microsoft excel, 365 apps, 365 apps for enterprise +6 more +8 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-628708.8 High
- microsoft 365 copilotMicrosoft M365 Copilot Remote Code Execution VulnerabilityCVE-2026-505179.9 Critical
- microsoft o365-moodlemoodle-local_o365: Authentication bypass via unverified JWT signature in Teams SSO endpointCVE-2026-547339.3 Critical
- microsoft 365 apps, 365 apps for enterprise, office 2016 +13 more +15 moreMicrosoft Office Information Disclosure VulnerabilityCVE-2026-551215.5 Medium
- microsoft 365 copilot, 365 copilot for ios +1 moreM365 Copilot for iOS Elevation of Privilege VulnerabilityCVE-2026-586178.1 High
- microsoft office 365 for mac, office for android, office ltsc for mac 2021 +27 more +29 moreWindows File Explorer Information Disclosure VulnerabilityCVE-2026-570845.5 Medium
- microsoft office 365 for mac, office for android, office ltsc for mac 2021 +26 more +28 moreWindows Media Photo Codec Information Disclosure VulnerabilityCVE-2026-570835.5 Medium
- microsoft 365 apps, 365 apps for enterprise, office 2016 +9 more +11 moreMicrosoft Office Information Disclosure VulnerabilityCVE-2026-561955.5 Medium
- microsoft 365 apps, 365 apps for enterprise, office 2016 +13 more +15 moreMicrosoft Office Information Disclosure VulnerabilityCVE-2026-561925.5 Medium
- microsoft 365 apps, 365 apps for enterprise, office 2016 +9 more +11 moreMicrosoft Office Information Disclosure VulnerabilityCVE-2026-506657.8 High
- microsoft office 365 for mac, office for android, office ltsc for mac 2021 +26 more +28 moreWindows Win32k Elevation of Privilege VulnerabilityCVE-2026-561767.8 High
- microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-561567.8 High
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-559497.8 High
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-559477.8 High
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Information Disclosure VulnerabilityCVE-2026-558986.1 Medium
- microsoft 365 apps, 365 apps for enterprise, office 2019 +9 more +11 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-541317.8 High
- microsoft powerpoint, 365 apps, 365 apps for enterprise +10 more +12 moreMicrosoft PowerPoint Remote Code Execution VulnerabilityCVE-2026-551207.8 High
- microsoft 365 apps, 365 apps for enterprise, office 365 for mac +5 more +7 moreMicrosoft OneNote Remote Code Execution VulnerabilityCVE-2026-551337.8 High
- microsoft powerpoint, 365 apps, 365 apps for enterprise +10 more +12 moreMicrosoft PowerPoint Remote Code Execution VulnerabilityCVE-2026-551237.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2016 +9 more +11 moreMicrosoft Office Information Disclosure VulnerabilityCVE-2026-551395.5 Medium
- microsoft powerpoint, 365 apps, 365 apps for enterprise +10 more +12 moreMicrosoft PowerPoint Remote Code Execution VulnerabilityCVE-2026-550437.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2016 +9 more +11 moreMicrosoft Office Information Disclosure VulnerabilityCVE-2026-550425.5 Medium
- microsoft word, 365 apps, 365 apps for enterprise +10 more +12 moreMicrosoft Word Remote Code Execution VulnerabilityCVE-2026-551307.8 High
- microsoft word, 365 apps, 365 apps for enterprise +15 more +17 moreMicrosoft Word Remote Code Execution VulnerabilityCVE-2026-551287.8 High
- microsoft word, 365 apps, 365 apps for enterprise +12 more +14 moreMicrosoft Word Information Disclosure VulnerabilityCVE-2026-551425.5 Medium
- microsoft 365 apps, 365 apps for enterprise, office 2016 +9 more +11 moreMicrosoft Office Remote Code Execution VulnerabilityCVE-2026-551407.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2016 +9 more +11 moreMicrosoft Office Remote Code Execution VulnerabilityCVE-2026-550567.8 High
- microsoft word, 365 apps, 365 apps for enterprise +14 more +16 moreMicrosoft Word Remote Code Execution VulnerabilityCVE-2026-551347.8 High
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-551317.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2016 +9 more +11 moreMicrosoft Office Information Disclosure VulnerabilityCVE-2026-550575.5 Medium
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Information Disclosure VulnerabilityCVE-2026-551227.1 High
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-550537.8 High
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-551377.8 High
- microsoft word, 365 apps, 365 apps for enterprise +14 more +16 moreMicrosoft Word Remote Code Execution VulnerabilityCVE-2026-551327.8 High
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