Microsoft Microsoft 365 vulnerabilities
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Published CVEs affecting Microsoft Microsoft 365: 347 record(s), with affected versions and fixes.cpe:2.3:a:microsoft:microsoft_365
CVE-2026-81952
High · 8.8
CWE-122 Sep 8, 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
High · 7.8
CWE-122 Sep 8, 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
High · 7.8
CWE-415 Sep 8, 2026
Microsoft Excel Remote Code Execution Vulnerability
Double free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-81949
High · 7.8
CWE-190 Sep 8, 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
High · 7.8
CWE-122 Sep 8, 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
High · 7.8
CWE-122 Sep 8, 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
Medium · 5.5
CWE-843 Sep 8, 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
Medium · 5.5
CWE-125 Sep 8, 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
Medium · 5.5
CWE-126 Sep 8, 2026
Microsoft Excel Information Disclosure Vulnerability
Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-81398
High · 7.8
CWE-122 Sep 8, 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
High · 7.8
CWE-122 Sep 8, 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
High · 7.8
CWE-121 Sep 8, 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
Medium · 5.5
CWE-125 Sep 8, 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
Medium · 5.5
CWE-497 Sep 8, 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
Medium · 5.5
CWE-125 Sep 8, 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
Medium · 5.5
CWE-20 Sep 8, 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
Medium · 5.5
CWE-908 Sep 8, 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
Medium · 5.5
CWE-125 Sep 8, 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
High · 7.0
CWE-122 Sep 8, 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
High · 7.8
CWE-121 Sep 8, 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
Medium · 5.5
CWE-497 Sep 8, 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
High · 7.8
CWE-122 Sep 8, 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
Medium · 6.5
CWE-908 Sep 8, 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
Medium · 6.5
CWE-125 Sep 8, 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
Medium · 6.5
CWE-125 Sep 8, 2026
Microsoft Office Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information over a network.