2026 CVE Vulnerabilities

56,990 CVEs published in 2026.

CVE IDSeverityCVSSDescription
CVE-2026-54992HIGH7.8Heap-based buffer overflow in Windows Message Queuing Queue Manager allows an unauthorized attacker to execute code loca...
CVE-2026-54991HIGH7Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Print Driver ...
CVE-2026-54990HIGH8.8Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
CVE-2026-54989HIGH7.8Use after free in Quality Windows Audio/Video Experience (QWAVE) service allows an authorized attacker to elevate privil...
CVE-2026-54988MEDIUM6.1Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-54987HIGH7.8Heap-based buffer overflow in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.
CVE-2026-54986HIGH7.8Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.
CVE-2026-54983HIGH7.5Stack-based buffer overflow in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny serv...
CVE-2026-54982HIGH8.8Integer underflow (wrap or wraparound) in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker t...
CVE-2026-54433CRITICAL10In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, there is Stored Cross-Site Scripting (XSS) via a crafted plai...
CVE-2026-54432MEDIUM4.7Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2 allows Stored Cross-Site Scripting (XSS). The issue occurs becaus...
CVE-2026-54132MEDIUM6.8Heap-based buffer overflow in Windows Kernel allows an unauthorized attacker to elevate privileges with a physical attac...
CVE-2026-54129HIGH7.8Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
CVE-2026-54127HIGH8.4Use after free in Windows Hyper-V allows an unauthorized attacker to elevate privileges locally.
CVE-2026-54122HIGH8.4Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code locally.
CVE-2026-54119HIGH7.5Loop with unreachable exit condition ('infinite loop') in Windows Active Directory allows an unauthorized attacker to de...
CVE-2026-54118CRITICAL9.8Deserialization of untrusted data in SQL Server allows an unauthorized attacker to execute code over a network.
CVE-2026-54117CRITICAL9.8Deserialization of untrusted data in SQL Server allows an unauthorized attacker to execute code over a network.
CVE-2026-54114HIGH7.8Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
CVE-2026-54112HIGH7Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K allows an ...
CVE-2026-54111HIGH7Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Print Driver ...
CVE-2026-54109HIGH7.8Integer overflow or wraparound in Windows Resilient File System (ReFS) allows an authorized attacker to execute code loc...
CVE-2026-54108MEDIUM6.5External control of file name or path in Microsoft Office SharePoint allows an authorized attacker to perform spoofing o...
CVE-2026-54107HIGH7Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K allows an ...
CVE-2026-54058CRITICAL9.1Pillow is a Python imaging library. Prior to 12.3.0, when Pillow loads an uncompressed McIdas AREA image from a filename...

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