Microsoft Office 2021 vulnerabilities, page 5
465 vulnerabilities
Known vulnerabilities in Microsoft Office 2021, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.
CVE-2026-97007microsoft365_apps+10
EPSS score0.72%
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.CVE-2026-97005microsoft365_apps+9EPSS score0.38%
Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.CVE-2026-97004microsoft365_apps+10EPSS score0.72%
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.CVE-2026-97003microsoft365_apps+10EPSS score0.72%
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.CVE-2026-97001microsoft365_apps+9EPSS score0.42%
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.CVE-2026-96997microsoft365_apps+9EPSS score0.30%
Use after free in Microsoft Office OneNote allows an authorized attacker to elevate privileges locally.CVE-2026-96996microsoft365_apps+5EPSS score0.32%
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.CVE-2026-96995microsoft365_apps+9EPSS score0.30%
Stack-based buffer overflow in Microsoft Office Word allows an authorized attacker to elevate privileges locally.CVE-2026-94506microsoft365_apps+5EPSS score0.83%
Out-of-bounds read in Microsoft Office Access allows an unauthorized attacker to disclose information over a network.CVE-2026-88210microsoft365_apps+8EPSS score0.42%
Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally.CVE-2026-88207microsoft365_apps+9EPSS score0.46%
Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.CVE-2026-88203microsoft365_apps+5EPSS score0.83%
Untrusted pointer dereference in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.CVE-2026-88202microsoft365_apps+9EPSS score0.72%
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.CVE-2026-88201microsoft365_apps+5EPSS score0.63%
Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.CVE-2026-88197microsoft365_apps+9EPSS score0.52%
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.CVE-2026-88196microsoft365_apps+9EPSS score0.72%
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.CVE-2026-88195microsoft365_apps+5EPSS score0.63%
Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.CVE-2026-88192microsoft365_apps+9EPSS score0.83%
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.CVE-2026-88190microsoft365_apps+5EPSS score0.83%
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.CVE-2026-88186microsoft365_apps+9EPSS score0.72%
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.