Skip to contentMicrosoft Office 2021 vulnerabilities
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-448237.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2016 +13 more +15 moreMicrosoft Office Information Disclosure VulnerabilityCVE-2026-448215.5 Medium
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-448207.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2016 +13 more +15 moreMicrosoft Office Remote Code Execution VulnerabilityCVE-2026-448197.8 High
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-448187.0 High
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-448177.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2016 +13 more +15 moreMicrosoft Office Information Disclosure VulnerabilityCVE-2026-454853.3 Low
- microsoft 365 apps, 365 apps for enterprise, office 365 for mac +5 more +7 moreMicrosoft Word Remote Code Execution VulnerabilityCVE-2026-454867.8 High
- microsoft 365 apps, 365 copilot, 365 apps for enterprise +11 more +13 moreMicrosoft Office Remote Code Execution VulnerabilityCVE-2026-454748.4 High
- microsoft word, 365 apps, 365 apps for enterprise +14 more +16 moreMicrosoft Word Remote Code Execution VulnerabilityCVE-2026-454717.8 High
- microsoft 365 apps, 365 apps for enterprise, office 2016 +13 more +15 moreMicrosoft Office Remote Code Execution VulnerabilityCVE-2026-454757.8 High
- microsoft 365 apps, 365 copilot, 365 apps for enterprise +11 more +13 moreMicrosoft Office Remote Code Execution VulnerabilityCVE-2026-454728.4 High
- microsoft excel, 365 apps, 365 apps for enterprise +11 more +13 moreMicrosoft Excel Remote Code Execution VulnerabilityCVE-2026-454697.8 High
- microsoft outlook, 365 apps, 365 apps for enterprise +6 more +8 moreMicrosoft Outlook Security Feature Bypass VulnerabilityCVE-2023-35311In KEVEPSS 15.5%8.8 High
- microsoft excel, 365 apps, 365 apps for enterprise +10 more +12 moreMicrosoft Excel Security Feature Bypass VulnerabilityCVE-2021-42292In KEVPublic exploitEPSS 43.0%7.8 High