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Vulnérabilités connues pour Microsoft Office LTSC 2021

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CVE Résumé Score Publiée
CVE-2026-62870 Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network 8.8 Élevée 3 août 2026
CVE-2026-55121 Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally 5.5 Moyenne 14 juil. 2026
CVE-2026-56195 Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally 5.5 Moyenne 14 juil. 2026
CVE-2026-50665 Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally 7.8 Élevée 14 juil. 2026
CVE-2026-56192 Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally 5.5 Moyenne 14 juil. 2026
CVE-2026-55949 Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 Élevée 14 juil. 2026
CVE-2026-56156 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 Élevée 14 juil. 2026
CVE-2026-55947 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 Élevée 14 juil. 2026
CVE-2026-55898 Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally 6.1 Moyenne 14 juil. 2026
CVE-2026-54131 Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 Élevée 14 juil. 2026
CVE-2026-55120 Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally 7.8 Élevée 14 juil. 2026
CVE-2026-55123 Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally 7.8 Élevée 14 juil. 2026
CVE-2026-55043 Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally 7.8 Élevée 14 juil. 2026
CVE-2026-55139 Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally 5.5 Moyenne 14 juil. 2026
CVE-2026-55042 Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information locally 5.5 Moyenne 14 juil. 2026
CVE-2026-55128 Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally 7.8 Élevée 14 juil. 2026
CVE-2026-55130 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally 7.8 Élevée 14 juil. 2026
CVE-2026-55140 Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally 7.8 Élevée 14 juil. 2026
CVE-2026-55142 Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to disclose information locally 5.5 Moyenne 14 juil. 2026
CVE-2026-55056 Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally 7.8 Élevée 14 juil. 2026
CVE-2026-55134 Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally 7.8 Élevée 14 juil. 2026
CVE-2026-55057 Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to disclose information locally 5.5 Moyenne 14 juil. 2026
CVE-2026-55131 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 Élevée 14 juil. 2026
CVE-2026-55053 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 Élevée 14 juil. 2026
CVE-2026-55122 Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally 7.1 Élevée 14 juil. 2026

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