Skip to contentMicrosoft 365 Apps vulnerabilities
- microsoft word, 365 apps, 365 apps for enterprise +15 more +17 moreMicrosoft Word Information Disclosure VulnerabilityCVE-2026-551245.5 Medium
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-550417.8 High
- microsoft word, 365 apps, 365 apps for enterprise +14 more +16 moreMicrosoft Word Remote Code Execution VulnerabilityCVE-2026-550337.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2016 +8 more +10 moreMicrosoft Office Remote Code Execution VulnerabilityCVE-2026-550497.8 High
- microsoft word, 365 apps, 365 apps for enterprise +14 more +16 moreMicrosoft Word Remote Code Execution VulnerabilityCVE-2026-550327.8 High
- microsoft word, 365 apps, 365 apps for enterprise +15 more +17 moreMicrosoft Word Information Disclosure VulnerabilityCVE-2026-550505.5 Medium
- microsoft 365 apps, 365 apps for enterprise, office 2016 +13 more +15 moreMicrosoft Office Remote Code Execution VulnerabilityCVE-2026-550458.4 High
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-550397.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2016 +14 more +16 moreMicrosoft Office Information Disclosure VulnerabilityCVE-2026-550475.5 Medium
- microsoft 365 apps, 365 apps for enterprise, office 2016 +13 more +15 moreMicrosoft Office Information Disclosure VulnerabilityCVE-2026-550285.5 Medium
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-550297.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2016 +13 more +15 moreMicrosoft Office Information Disclosure VulnerabilityCVE-2026-550275.5 Medium
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-550487.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2016 +13 more +15 moreMicrosoft Office Information Disclosure VulnerabilityCVE-2026-550266.2 Medium
- microsoft 365 apps, 365 apps for enterprise, office 2016 +13 more +15 moreMicrosoft Office Remote Code Execution VulnerabilityCVE-2026-551257.8 High
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-550317.8 High
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-550257.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2016 +13 more +15 moreMicrosoft Office Information Disclosure VulnerabilityCVE-2026-550235.5 Medium
- microsoft 365 apps, 365 apps for enterprise, office 2016 +9 more +11 moreMicrosoft Office Remote Code Execution VulnerabilityCVE-2026-550227.8 High
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Information Disclosure VulnerabilityCVE-2026-550465.5 Medium
- microsoft 365 apps, 365 apps for enterprise, office 2016 +9 more +11 moreMicrosoft Office Remote Code Execution VulnerabilityCVE-2026-550187.8 High
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-550247.8 High
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Information Disclosure VulnerabilityCVE-2026-504085.5 Medium
- microsoft 365 apps, 365 apps for enterprise, office 2016 +5 more +7 moreMicrosoft Office Remote Code Execution VulnerabilityCVE-2026-550177.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2016 +9 more +11 moreMicrosoft Office Remote Code Execution VulnerabilityCVE-2026-504677.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2016 +9 more +11 moreMicrosoft Office Remote Code Execution VulnerabilityCVE-2026-503147.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2016 +5 more +7 moreMicrosoft Office Remote Code Execution VulnerabilityCVE-2026-503018.4 High
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Information Disclosure VulnerabilityCVE-2026-485805.5 Medium
- microsoft 365 apps, 365 apps for enterprise, office 2019 +9 more +11 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-476427.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2016 +5 more +7 moreMicrosoft Office Remote Code Execution VulnerabilityCVE-2026-472907.8 High
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-586187.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2016 +9 more +11 moreMicrosoft Office Information Disclosure VulnerabilityCVE-2026-561937.1 High
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-559487.8 High
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-558997.8 High
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Information Disclosure VulnerabilityCVE-2026-549886.1 Medium
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Information Disclosure VulnerabilityCVE-2026-506786.6 Medium
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-506757.8 High
- microsoft office, 365 apps, 365 apps for enterprise +5 more +7 moreMicrosoft Office Click-To-Run Elevation of Privilege VulnerabilityCVE-2026-472937.0 High
- microsoft 365 apps, 365 copilot, 365 apps for enterprise +11 more +13 moreMicrosoft Office Remote Code Execution VulnerabilityCVE-2026-454638.4 High
- microsoft 365 apps, 365 apps for enterprise, office 365 for mac +6 more +8 moreMicrosoft Excel Security Feature Bypass VulnerabilityCVE-2026-454593.3 Low
- microsoft 365 apps, 365 apps for enterprise, office 365 for mac +5 more +7 moreMicrosoft Word Remote Code Execution VulnerabilityCVE-2026-454577.8 High
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Information Disclosure VulnerabilityCVE-2026-454553.3 Low
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Information Disclosure VulnerabilityCVE-2026-448228.2 High
- microsoft 365 apps, 365 apps for enterprise, office 2016 +9 more +11 moreMicrosoft Office Remote Code Execution VulnerabilityCVE-2026-456457.8 High
- microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 moreMicrosoft Word Remote Code Execution VulnerabilityCVE-2026-456437.8 High
- microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 moreMicrosoft Word Information Disclosure VulnerabilityCVE-2026-454663.3 Low
- microsoft 365 apps, 365 copilot, 365 apps for enterprise +11 more +13 moreMicrosoft Office Remote Code Execution VulnerabilityCVE-2026-454618.4 High
- microsoft 365 apps, 365 copilot, 365 apps for enterprise +10 more +12 moreMicrosoft Office Information Disclosure VulnerabilityCVE-2026-454604.7 Medium
- microsoft word, 365 apps, 365 apps for enterprise +14 more +16 moreMicrosoft Outlook and Word Remote Code Execution VulnerabilityCVE-2026-454588.4 High
- microsoft 365 apps, 365 apps for enterprise, office 2019 +14 more +16 moreMicrosoft Outlook and Word Remote Code Execution VulnerabilityCVE-2026-454568.4 High
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