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As of 10/19/2026, Microsoft Office 365 for Mac recorded 195 security vulnerabilities in the last 90 days, of which 120 are rated High or Critical. None of these vulnerabilities is actively exploited (KEV) according to CISA's catalog. CyStack recommends that organizations and individual users apply patches as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of Microsoft Office 365 for Mac and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
CVE-2026-108455Microsoft Office PowerPoint Information Disclosure VulnerabilityCVE-2026-108454Microsoft Office PowerPoint Information Disclosure VulnerabilityCVE-2026-108453Microsoft Office PowerPoint Information Disclosure VulnerabilityCVE-2026-108449Microsoft Office Word Remote Code Execution VulnerabilityCVE-2026-108448Microsoft Office Outlook Remote Code Execution Vulnerability| Vulnerability | Exploitation status | Fix | Published | Severity |
|---|---|---|---|---|
CVE-2026-108455Microsoft Office PowerPoint Information Disclosure Vulnerability | Exploitation statusNot exploited | FixYes | Published10/15/2026 | SeverityMedium |
CVE-2026-108454Microsoft Office PowerPoint Information Disclosure Vulnerability | Exploitation statusNot exploited | FixYes | Published10/15/2026 | SeverityMedium |
CVE-2026-108453Microsoft Office PowerPoint Information Disclosure Vulnerability | Exploitation statusNot exploited | FixYes | Published10/15/2026 | SeverityMedium |
CVE-2026-108449Microsoft Office Word Remote Code Execution Vulnerability | Exploitation statusNot exploited | FixYes | Published10/15/2026 | SeverityHigh |
CVE-2026-108448Microsoft Office Outlook Remote Code Execution Vulnerability | Exploitation statusNot exploited | FixYes | Published10/15/2026 | SeverityHigh |
CVE-2026-108446Microsoft Office Excel Remote Code Execution Vulnerability | Exploitation statusNot exploited | FixYes | Published10/15/2026 | SeverityHigh |
CVE-2026-108445Microsoft Office Word Remote Code Execution Vulnerability | Exploitation statusNot exploited | FixYes | Published10/15/2026 | SeverityHigh |
CVE-2026-108444Microsoft Office Remote Code Execution Vulnerability | Exploitation statusNot exploited | FixYes | Published10/15/2026 | SeverityHigh |
CVE-2026-108443Microsoft Office Word Remote Code Execution Vulnerability | Exploitation statusNot exploited | FixYes | Published10/15/2026 | SeverityHigh |
CVE-2026-108442Microsoft Office Word Remote Code Execution Vulnerability | Exploitation statusNot exploited | FixYes | Published10/15/2026 | SeverityHigh |
375 Results | Page 1 of 38