2026 CVE Vulnerabilities

45,066 CVEs published in 2026.

Filter:HIGHClear
CVE IDSeverityCVSSDescription
CVE-2026-55052HIGH8.8Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
CVE-2026-55049HIGH7.8Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-55048HIGH7.8Integer overflow or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55045HIGH8.4Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-55044HIGH7.8Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55043HIGH7.8Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.
CVE-2026-55041HIGH7.8Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55039HIGH7.8Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally...
CVE-2026-55038HIGH7.8Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-55037HIGH7.8Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55036HIGH7.8Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55034HIGH8.7Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allo...
CVE-2026-55033HIGH7.8Integer overflow or wraparound in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-55032HIGH7.8Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-55031HIGH7.8Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55029HIGH7.8Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55025HIGH7.8Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker ...
CVE-2026-55024HIGH7.8Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker ...
CVE-2026-55022HIGH7.8Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to exe...
CVE-2026-55021HIGH8.7Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allo...
CVE-2026-55018HIGH7.8Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-55017HIGH7.8Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-54131HIGH7.8Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-54128HIGH8.4Use after free in Windows DHCP Client allows an unauthorized attacker to execute code locally.
CVE-2026-54125HIGH7.8Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an...

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