Vulnerabilidades do Microsoft Microsoft 365

CVE-2026-81952 Alta · 8.8 CWE-122 08/09/2026

Microsoft Word Remote Code Execution Vulnerability

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

CVE-2026-81951 Alta · 7.8 CWE-122 08/09/2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-81950 Alta · 7.8 CWE-415 08/09/2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-81949 Alta · 7.8 CWE-190 08/09/2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-81948 Alta · 7.8 CWE-122 08/09/2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-81947 Alta · 7.8 CWE-122 08/09/2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-81401 Média · 5.5 CWE-843 08/09/2026

Microsoft Excel Information Disclosure Vulnerability

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

CVE-2026-81400 Média · 5.5 CWE-125 08/09/2026

Microsoft Excel Information Disclosure Vulnerability

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

CVE-2026-81399 Média · 5.5 CWE-126 08/09/2026

Microsoft Excel Information Disclosure Vulnerability

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

CVE-2026-81398 Alta · 7.8 CWE-122 08/09/2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-81397 Alta · 7.8 CWE-122 08/09/2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-81396 Alta · 7.8 CWE-121 08/09/2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-81395 Média · 5.5 CWE-125 08/09/2026

Microsoft Excel Information Disclosure Vulnerability

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

CVE-2026-81394 Média · 5.5 CWE-497 08/09/2026

Microsoft Excel Information Disclosure Vulnerability

Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

CVE-2026-81393 Média · 5.5 CWE-125 08/09/2026

Microsoft Excel Information Disclosure Vulnerability

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

CVE-2026-81392 Média · 5.5 CWE-20 08/09/2026

Microsoft Excel Information Disclosure Vulnerability

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

CVE-2026-81391 Média · 5.5 CWE-908 08/09/2026

Microsoft Excel Information Disclosure Vulnerability

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

CVE-2026-81390 Média · 5.5 CWE-125 08/09/2026

Microsoft Excel Information Disclosure Vulnerability

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

CVE-2026-81389 Alta · 7.0 CWE-122 08/09/2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-81388 Alta · 7.8 CWE-121 08/09/2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-81387 Média · 5.5 CWE-497 08/09/2026

Microsoft Excel Information Disclosure Vulnerability

Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

CVE-2026-81386 Alta · 7.8 CWE-122 08/09/2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-80091 Média · 6.5 CWE-908 08/09/2026

Microsoft Office Information Disclosure Vulnerability

Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information over a network.

CVE-2026-80090 Média · 6.5 CWE-125 08/09/2026

Microsoft Office Word Information Disclosure Vulnerability

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

CVE-2026-80089 Média · 6.5 CWE-125 08/09/2026

Microsoft Office Information Disclosure Vulnerability

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