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Vulnérabilités connues pour Microsoft Office Online Server

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CVE Résumé Score Publiée
CVE-2026-47642 Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 Élevée 14 juil. 2026
CVE-2026-58618 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 Élevée 14 juil. 2026
CVE-2026-55948 Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 Élevée 14 juil. 2026
CVE-2026-55899 Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 Élevée 14 juil. 2026
CVE-2026-54988 Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally 6.1 Moyenne 14 juil. 2026
CVE-2026-50678 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to disclose information locally 6.6 Moyenne 14 juil. 2026
CVE-2026-50675 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 Élevée 14 juil. 2026
CVE-2026-45455 Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally 3.3 Faible 9 juin 2026
CVE-2026-44822 Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network 8.2 Élevée 9 juin 2026
CVE-2026-44823 Numeric truncation error in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 Élevée 9 juin 2026
CVE-2026-44820 Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 Élevée 9 juin 2026
CVE-2026-44818 Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Office Excel… 7.0 Élevée 9 juin 2026
CVE-2026-44817 Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized… 7.8 Élevée 9 juin 2026
CVE-2026-45469 Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 Élevée 9 juin 2026
CVE-2026-40362 Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 Élevée 12 mai 2026
CVE-2026-40359 Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 Élevée 12 mai 2026
CVE-2026-40360 Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally 7.8 Élevée 12 mai 2026
CVE-2026-32199 Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 Élevée 14 avr. 2026
CVE-2026-32197 Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 Élevée 14 avr. 2026
CVE-2026-32198 Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 Élevée 14 avr. 2026
CVE-2026-32189 Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 Élevée 14 avr. 2026
CVE-2026-32188 Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally 7.1 Élevée 14 avr. 2026
CVE-2026-26109 Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally 8.4 Élevée 10 mars 2026
CVE-2026-26107 Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 Élevée 10 mars 2026
CVE-2026-26108 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 Élevée 10 mars 2026

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