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-2026-63524
Medium · 5.5
CWE-125 Aug 11, 2026
Microsoft Office Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVE-2026-63519
High · 7.8
CWE-122 Aug 11, 2026
Microsoft Office Graphics Component Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-63518
High · 7.8
CWE-122 Aug 11, 2026
Microsoft Office Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-63517
Medium · 5.5
CWE-125 Aug 11, 2026
Microsoft Office Graphics Component Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVE-2026-63515
High · 7.8
CWE-125 Aug 11, 2026
Microsoft Office Remote Code Execution Vulnerability
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-63513
High · 7.8
CWE-122 Aug 11, 2026
Microsoft Office Graphics Component Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-62842
Medium · 5.5
CWE-125 Aug 11, 2026
Microsoft Office Graphics Component Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVE-2026-58651
High · 7.8
CWE-122 Aug 11, 2026
Microsoft Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-56195
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-2026-56192
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-2026-56156
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-2026-55949
High · 7.8
CWE-908 Jul 14, 2026
Microsoft Excel Remote Code Execution Vulnerability
Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55947
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-2026-55898
High · 7.1
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-2026-55142
Medium · 5.5
CWE-197 Jul 14, 2026
Microsoft Word Information Disclosure Vulnerability
Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
CVE-2026-55141
High · 7.8
CWE-121 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-2026-55140
High · 7.8
CWE-122 Jul 14, 2026
Microsoft Office Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-55139
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-2026-55138
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-2026-55137
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-2026-55136
High · 7.8
CWE-822 Jul 14, 2026
Microsoft Excel Remote Code Execution Vulnerability
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55134
High · 7.8
CWE-121 Jul 14, 2026
Microsoft Word Remote Code Execution Vulnerability
Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-55133
High · 7.8
CWE-122 Jul 14, 2026
Microsoft OneNote Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office OneNote allows an unauthorized attacker to execute code locally.
CVE-2026-55132
High · 7.8
CWE-415 Jul 14, 2026
Microsoft Word Remote Code Execution Vulnerability
Double free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-55131
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.