Microsoft Office 2021 vulnerabilities

• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 more Microsoft Office PowerPoint Information Disclosure Vulnerability CVE-2026-108455 6.5 MediumOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 more Microsoft Office PowerPoint Information Disclosure Vulnerability CVE-2026-108454 6.5 MediumOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 more Microsoft Office PowerPoint Information Disclosure Vulnerability CVE-2026-108453 6.5 MediumOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office ltsc 2021 +3 more +5 more Microsoft Office Word Remote Code Execution Vulnerability CVE-2026-108451 8.8 HighOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office ltsc 2021 +3 more +5 more Microsoft Office Word Remote Code Execution Vulnerability CVE-2026-108450 8.8 HighOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 more Microsoft Office Word Remote Code Execution Vulnerability CVE-2026-108449 8.8 HighOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 more Microsoft Office Outlook Remote Code Execution Vulnerability CVE-2026-108448 7.5 HighOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office ltsc 2021 +3 more +5 more Microsoft Office Word Remote Code Execution Vulnerability CVE-2026-108447 8.8 HighOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-108446 8.8 HighOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 more Microsoft Office Word Remote Code Execution Vulnerability CVE-2026-108445 8.8 HighOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 more Microsoft Office Remote Code Execution Vulnerability CVE-2026-108444 8.8 HighOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 more Microsoft Office Word Remote Code Execution Vulnerability CVE-2026-108443 8.8 HighOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 more Microsoft Office Word Remote Code Execution Vulnerability CVE-2026-108442 8.8 HighOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 more Microsoft Office Word Remote Code Execution Vulnerability CVE-2026-108441 8.8 HighOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 more Microsoft Office Word Remote Code Execution Vulnerability CVE-2026-108440 8.8 HighOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 more Microsoft Office Word Remote Code Execution Vulnerability CVE-2026-108439 8.8 HighOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +5 more +7 more Microsoft Office Word Information Disclosure Vulnerability CVE-2026-108438 6.5 MediumOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office ltsc 2021 +3 more +5 more Microsoft Office Word Remote Code Execution Vulnerability CVE-2026-108437 8.8 HighOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 more Microsoft Office Word Information Disclosure Vulnerability CVE-2026-108436 6.5 MediumOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 more Microsoft Office Word Information Disclosure Vulnerability CVE-2026-108435 6.5 MediumOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 more Microsoft Office Word Information Disclosure Vulnerability CVE-2026-108434 6.5 MediumOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 more Microsoft Office Word Security Feature Bypass Vulnerability CVE-2026-108433 7.8 HighOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 more Microsoft Office Word Remote Code Execution Vulnerability CVE-2026-108432 8.8 HighOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 more Microsoft Office Word Remote Code Execution Vulnerability CVE-2026-108431 8.8 HighOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 more Microsoft Office Word Remote Code Execution Vulnerability CVE-2026-108430 8.8 HighOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office ltsc 2021 +3 more +5 more Microsoft Office Word Remote Code Execution Vulnerability CVE-2026-108429 8.8 HighOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office ltsc 2021 +3 more +5 more Microsoft Office Word Remote Code Execution Vulnerability CVE-2026-108428 8.8 HighOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office ltsc 2021 +3 more +5 more Microsoft Office Word Remote Code Execution Vulnerability CVE-2026-108427 8.8 HighOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office ltsc 2021 +3 more +5 more Microsoft Office Word Remote Code Execution Vulnerability CVE-2026-108426 8.8 HighOctober 15, 2026
• microsoft 365 apps, 365 apps for enterprise, office ltsc 2021 +3 more +5 more Microsoft Office Excel Information Disclosure Vulnerability CVE-2026-69922 6.5 MediumOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-100212 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +6 more +8 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-100211 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-100210 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +6 more +8 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-100209 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97775 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97772 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97768 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97745 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97777 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97763 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97762 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Information Disclosure Vulnerability CVE-2026-97760 6.5 MediumOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97757 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97746 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +5 more +7 more Microsoft Office Excel Information Disclosure Vulnerability CVE-2026-97743 6.5 MediumOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97742 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +5 more +7 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97741 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97738 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +7 more +9 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97011 8.8 HighOctober 13, 2026
• microsoft 365 apps, 365 apps for enterprise, office 365 for mac +8 more +10 more Microsoft Office Excel Remote Code Execution Vulnerability CVE-2026-97010 8.8 HighOctober 13, 2026
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