Vulnerabilidades do Microsoft Office 2021

CVE-2026-50301 Alta · 7.8 CWE-122 14/07/2026

Microsoft Office Remote Code Execution Vulnerability

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

CVE-2026-48580 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-2026-47642 Alta · 7.8 CWE-416 14/07/2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-47290 Alta · 7.8 CWE-416 14/07/2026

Microsoft Office Remote Code Execution Vulnerability

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

CVE-2026-58618 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-2026-56193 Baixa · 3.3 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-2026-55948 Alta · 7.8 CWE-416 14/07/2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-55899 Alta · 7.8 CWE-20 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-2026-54988 Média · 6.1 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-2026-50678 Baixa · 3.3 CWE-122 14/07/2026

Microsoft Excel Information Disclosure Vulnerability

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

CVE-2026-50675 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-2026-47293 Alta · 7.0 CWE-416 09/06/2026

Microsoft Office Click-To-Run Elevation of Privilege Vulnerability

Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.

CVE-2026-45645 Alta · 7.8 CWE-787 09/06/2026

Microsoft Office Remote Code Execution Vulnerability

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

CVE-2026-45643 Alta · 7.8 CWE-822 09/06/2026

Microsoft Word Remote Code Execution Vulnerability

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

CVE-2026-45486 Alta · 7.8 CWE-416 09/06/2026

Microsoft Word Remote Code Execution Vulnerability

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

CVE-2026-45485 Baixa · 3.3 CWE-125 09/06/2026

Microsoft Office Information Disclosure Vulnerability

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

CVE-2026-45475 Alta · 7.8 CWE-122 09/06/2026

Microsoft Office Remote Code Execution Vulnerability

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

CVE-2026-45474 Alta · 8.4 CWE-787 09/06/2026

Microsoft Office Remote Code Execution Vulnerability

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

CVE-2026-45472 Alta · 8.4 CWE-787 09/06/2026

Microsoft Office Remote Code Execution Vulnerability

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

CVE-2026-45471 Alta · 7.8 CWE-822 09/06/2026

Microsoft Word Remote Code Execution Vulnerability

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

CVE-2026-45469 Alta · 7.8 CWE-122 09/06/2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-45466 Baixa · 3.3 CWE-122 09/06/2026

Microsoft Word Information Disclosure Vulnerability

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

CVE-2026-45463 Alta · 8.4 CWE-121 09/06/2026

Microsoft Office Remote Code Execution Vulnerability

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

CVE-2026-45461 Alta · 8.4 CWE-787 09/06/2026

Microsoft Office Remote Code Execution Vulnerability

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

CVE-2026-45460 Média · 4.7 CWE-126 09/06/2026

Microsoft Office Information Disclosure Vulnerability

Buffer over-read in Microsoft Office allows an unauthorized attacker to disclose information locally.