Microsoft Microsoft 365 vulnerabilities
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Published CVEs affecting Microsoft Microsoft 365: 356 record(s), with affected versions and fixes.cpe:2.3:a:microsoft:microsoft_365
CVE-2026-55037
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-2026-55036
High · 7.8
CWE-126 Jul 14, 2026
Microsoft Excel Remote Code Execution Vulnerability
Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55035
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-2026-55033
High · 7.8
CWE-122 Jul 14, 2026
Microsoft Word Remote Code Execution Vulnerability
Integer overflow or wraparound in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-55032
High · 7.8
CWE-416 Jul 14, 2026
Microsoft Word Remote Code Execution Vulnerability
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-55031
High · 7.8
CWE-125 Jul 14, 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
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-2026-55028
Medium · 5.5
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-2026-55027
Medium · 5.5
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-2026-55026
Medium · 5.5
CWE-190 Jul 14, 2026
Microsoft Office Information Disclosure Vulnerability
Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVE-2026-55025
High · 7.8
CWE-843 Jul 14, 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-2026-55024
High · 7.8
CWE-843 Jul 14, 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-2026-55023
Medium · 5.5
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-2026-55022
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.