Vulnerabilidades do Microsoft Office 2021

CVE-2026-45459 Baixa · 3.3 CWE-693 09/06/2026

Microsoft Excel Security Feature Bypass Vulnerability

Protection mechanism failure in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.

CVE-2026-45458 Alta · 8.4 CWE-416 09/06/2026

Microsoft Outlook and Word Remote Code Execution Vulnerability

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

CVE-2026-45457 Alta · 7.8 CWE-125 09/06/2026

Microsoft Word Remote Code Execution Vulnerability

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

CVE-2026-45456 Alta · 8.4 CWE-843 09/06/2026

Microsoft Outlook and Word Remote Code Execution Vulnerability

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

CVE-2026-45455 Média · 4.3 CWE-125 09/06/2026

Microsoft Excel Information Disclosure Vulnerability

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

CVE-2026-44824 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-2026-44823 Alta · 7.8 CWE-197 09/06/2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-44822 Alta · 8.2 CWE-125 09/06/2026

Microsoft Excel Information Disclosure Vulnerability

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

CVE-2026-44821 Média · 5.5 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-2026-44820 Alta · 7.8 CWE-125 09/06/2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-44819 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-2026-44818 Alta · 7.0 CWE-362 09/06/2026

Microsoft Excel Remote Code Execution Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-44817 Alta · 7.8 CWE-843 09/06/2026

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-2023-35311 Alta · 8.8 KEV Alta · 56 CWE-367 11/07/2023

Microsoft Outlook Security Feature Bypass Vulnerability

CVE-2021-42292 Alta · 7.8 KEV Alta · 62 Exploit público 09/11/2021

Microsoft Excel Security Feature Bypass

Microsoft Excel Security Feature Bypass Vulnerability