Microsoft Microsoft 365 vulnerabilities

CVE-2026-55022 High · 7.8 CWE-843 Jul 14, 2026

Microsoft Office Remote Code Execution Vulnerability

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

CVE-2026-55018 High · 7.8 CWE-416 Jul 14, 2026

Microsoft Office Remote Code Execution Vulnerability

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

CVE-2026-54131 High · 7.8 CWE-416 Jul 14, 2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-50665 Low · 3.3 CWE-125 Jul 14, 2026

Microsoft Office Information Disclosure Vulnerability

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

CVE-2026-50467 High · 7.8 CWE-416 Jul 14, 2026

Microsoft Office Remote Code Execution Vulnerability

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

CVE-2026-50408 Medium · 5.5 CWE-125 Jul 14, 2026

Microsoft Excel Information Disclosure Vulnerability

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

CVE-2026-50387 High · 7.8 CWE-121 Jul 14, 2026

Windows GDI Elevation of Privilege Vulnerability

Stack-based buffer overflow in Windows GDI allows an authorized attacker to elevate privileges locally.

CVE-2026-50314 High · 7.8 CWE-416 Jul 14, 2026

Microsoft Office Remote Code Execution Vulnerability

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

CVE-2026-48580 Medium · 5.5 CWE-822 Jul 14, 2026

Microsoft Excel Information Disclosure Vulnerability

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

CVE-2026-47642 High · 7.8 CWE-416 Jul 14, 2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-58618 High · 7.8 CWE-122 Jul 14, 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 Low · 3.3 CWE-125 Jul 14, 2026

Microsoft Office Information Disclosure Vulnerability

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

CVE-2026-55948 High · 7.8 CWE-416 Jul 14, 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 High · 7.8 CWE-20 Jul 14, 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 Medium · 6.1 CWE-125 Jul 14, 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 Low · 3.3 CWE-122 Jul 14, 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 High · 7.8 CWE-122 Jul 14, 2026

Microsoft Excel Remote Code Execution Vulnerability

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

CVE-2026-45645 High · 7.8 CWE-787 Jun 9, 2026

Microsoft Office Remote Code Execution Vulnerability

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

CVE-2026-45643 High · 7.8 CWE-822 Jun 9, 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 High · 7.8 CWE-416 Jun 9, 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 Low · 3.3 CWE-125 Jun 9, 2026

Microsoft Office Information Disclosure Vulnerability

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

CVE-2026-45475 High · 7.8 CWE-122 Jun 9, 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 High · 8.4 CWE-787 Jun 9, 2026

Microsoft Office Remote Code Execution Vulnerability

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

CVE-2026-45472 High · 8.4 CWE-787 Jun 9, 2026

Microsoft Office Remote Code Execution Vulnerability

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

CVE-2026-45471 High · 7.8 CWE-822 Jun 9, 2026

Microsoft Word Remote Code Execution Vulnerability

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