Vulnerabilidades do Microsoft Office Online Server

CVE-2026-68817 Alta · 7.8 CWE-121 11/08/2026

Microsoft Excel Remote Code Execution Vulnerability

Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-68816 Alta · 7.8 CWE-121 11/08/2026

Microsoft Excel Remote Code Execution Vulnerability

Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-68815 Alta · 7.8 CWE-122 11/08/2026

Microsoft Excel Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-68814 Alta · 7.8 CWE-125 11/08/2026

Microsoft Excel Remote Code Execution Vulnerability

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-68812 Alta · 7.8 CWE-122 11/08/2026

Microsoft Excel Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-68811 Alta · 7.8 CWE-843 11/08/2026

Microsoft Excel Remote Code Execution Vulnerability

Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-68810 Alta · 7.8 CWE-822 11/08/2026

Microsoft Excel Remote Code Execution Vulnerability

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-68808 Média · 5.5 CWE-125 11/08/2026

Microsoft Excel Information Disclosure Vulnerability

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

CVE-2026-68807 Alta · 7.8 CWE-122 11/08/2026

Microsoft Excel Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-68806 Alta · 7.8 CWE-787 11/08/2026

Microsoft Excel Remote Code Execution Vulnerability

Out-of-bounds write in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-68805 Alta · 7.8 CWE-122 11/08/2026

Microsoft Excel Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-68804 Alta · 7.8 CWE-122 11/08/2026

Microsoft Excel Remote Code Execution Vulnerability

Numeric truncation error in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-68803 Alta · 7.8 CWE-843 11/08/2026

Microsoft Excel Remote Code Execution Vulnerability

Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-68802 Média · 5.5 CWE-125 11/08/2026

Microsoft Excel Information Disclosure Vulnerability

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

CVE-2026-68801 Alta · 7.8 CWE-122 11/08/2026

Microsoft Excel Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-68800 Alta · 7.8 CWE-122 11/08/2026

Microsoft Excel Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-68799 Média · 5.5 CWE-908 11/08/2026

Microsoft Excel Information Disclosure Vulnerability

Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

CVE-2026-68797 Média · 5.5 CWE-125 11/08/2026

Microsoft Excel Information Disclosure Vulnerability

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

CVE-2026-68796 Alta · 7.8 CWE-122 11/08/2026

Microsoft Excel Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-68795 Alta · 7.8 CWE-121 11/08/2026

Microsoft Excel Remote Code Execution Vulnerability

Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-68794 Alta · 7.8 CWE-122 11/08/2026

Microsoft Excel Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-68793 Alta · 7.8 CWE-125 11/08/2026

Microsoft Excel Remote Code Execution Vulnerability

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-65807 Alta · 8.8 CWE-843 11/08/2026

Microsoft Excel Remote Code Execution Vulnerability

Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2026-55949 Alta · 7.8 CWE-908 14/07/2026

Microsoft Excel Remote Code Execution Vulnerability

Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-55947 Alta · 7.8 CWE-122 14/07/2026

Microsoft Excel Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.