Vulnerabilidades do Microsoft Office Online Server

CVE-2026-55898 Alta · 7.1 CWE-125 14/07/2026

Microsoft Excel Information Disclosure Vulnerability

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

CVE-2026-55141 Alta · 7.8 CWE-121 14/07/2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-55138 Média · 5.5 CWE-822 14/07/2026

Microsoft Excel Information Disclosure Vulnerability

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

CVE-2026-55137 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.

CVE-2026-55136 Alta · 7.8 CWE-822 14/07/2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-55131 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.

CVE-2026-55128 Alta · 7.8 CWE-416 14/07/2026

Microsoft Word Remote Code Execution Vulnerability

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVE-2026-55127 Alta · 7.8 CWE-122 14/07/2026

Microsoft Word Remote Code Execution Vulnerability

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

CVE-2026-55124 Média · 5.5 CWE-20 14/07/2026

Microsoft Word Information Disclosure Vulnerability

Improper validation of specified type of input in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

CVE-2026-55122 Alta · 7.1 CWE-125 14/07/2026

Microsoft Excel Information Disclosure Vulnerability

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

CVE-2026-55058 Alta · 7.8 CWE-125 14/07/2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-55054 Média · 6.5 CWE-125 14/07/2026

Microsoft Excel Information Disclosure Vulnerability

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

CVE-2026-55053 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.

CVE-2026-55050 Média · 5.5 CWE-125 14/07/2026

Microsoft Word Information Disclosure Vulnerability

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

CVE-2026-55048 Alta · 7.8 CWE-122 14/07/2026

Microsoft Excel Remote Code Execution Vulnerability

Integer overflow or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-55047 Média · 5.5 CWE-125 14/07/2026

Microsoft Office Information Disclosure Vulnerability

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

CVE-2026-55046 Média · 5.5 CWE-125 14/07/2026

Microsoft Excel Information Disclosure Vulnerability

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

CVE-2026-55044 Alta · 7.8 CWE-125 14/07/2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-55041 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.

CVE-2026-55039 Alta · 7.8 CWE-122 14/07/2026

Microsoft Excel Remote Code Execution Vulnerability

Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-55037 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.

CVE-2026-55036 Alta · 7.8 CWE-126 14/07/2026

Microsoft Excel Remote Code Execution Vulnerability

Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-55031 Alta · 7.8 CWE-125 14/07/2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-55029 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.

CVE-2026-55025 Alta · 7.8 CWE-843 14/07/2026

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.