Microsoft 365 vulnerabilities, page 5
368 vulnerabilities
Known vulnerabilities in Microsoft 365, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.
CVE-2026-88184microsoft365_apps+9
EPSS score0.63%
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.CVE-2026-88183microsoft365_apps+9EPSS score0.83%
Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.CVE-2026-88178microsoft365_apps+9EPSS score0.95%
Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.CVE-2026-88175microsoft365_apps+7EPSS score0.83%
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.CVE-2026-88169microsoft365_apps+9EPSS score0.83%
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.CVE-2026-88167microsoft365_apps+9EPSS score0.83%
Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.CVE-2026-88156microsoft365_apps+9EPSS score0.98%
Stack-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.CVE-2026-88154microsoft365_apps+7EPSS score0.83%
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.CVE-2026-88150microsoft365_apps+9EPSS score0.72%
Use of uninitialized resource in Microsoft Office Word allows an unauthorized attacker to execute code over a network.CVE-2026-88145microsoft365_apps+9EPSS score0.72%
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.CVE-2026-88144microsoft365_apps+9EPSS score0.78%
Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.CVE-2026-83891microsoft365_apps+9EPSS score0.76%
Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.CVE-2026-77902microsoft365_apps+9EPSS score0.79%
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.CVE-2026-70302microsoft365_apps+9EPSS score0.79%
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.CVE-2026-70301microsoft365_apps+9EPSS score0.79%
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.CVE-2026-70291microsoft365_apps+9EPSS score1.01%
Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.CVE-2026-70287microsoft365_apps+9EPSS score0.79%
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.CVE-2026-70281microsoft365_apps+9EPSS score0.99%
Out-of-bounds read in Microsoft Office Outlook allows an unauthorized attacker to disclose information over a network.CVE-2026-70269microsoft365_apps+9EPSS score0.70%
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.CVE-2026-70268microsoft365_apps+9EPSS score0.79%
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.