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Vulnérabilités connues pour Microsoft Windows 11 version 26H1

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CVE Résumé Score Publiée
CVE-2026-34343 Heap-based buffer overflow in Windows Application Identity (AppID) Subsystem allows an authorized attacker to elevate… 7.8 Élevée 12 mai 2026
CVE-2026-34333 Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally 7.8 Élevée 12 mai 2026
CVE-2026-34330 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX… 7.8 Élevée 12 mai 2026
CVE-2026-34331 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX… 7.0 Élevée 12 mai 2026
CVE-2026-34329 Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over an adjacent… 8.8 Élevée 12 mai 2026
CVE-2026-33841 Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally 7.8 Élevée 12 mai 2026
CVE-2026-33840 Use after free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally 7.8 Élevée 12 mai 2026
CVE-2026-33839 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX… 7.0 Élevée 12 mai 2026
CVE-2026-33834 Improper access control in Windows Event Logging Service allows an authorized attacker to elevate privileges locally 7.8 Élevée 12 mai 2026
CVE-2026-21530 Double free in Windows Rich Text Edit allows an authorized attacker to elevate privileges locally 6.7 Moyenne 12 mai 2026
CVE-2026-32214 Improper access control in Universal Plug and Play (upnp.dll) allows an authorized attacker to disclose information… 5.5 Moyenne 14 avr. 2026
CVE-2026-33829 Exposure of sensitive information to an unauthorized actor in Windows Snipping Tool allows an unauthorized attacker to… 4.3 Moyenne 14 avr. 2026
CVE-2026-33824 Exploitée Microsoft Internet Key Exchange (IKE) Service Extensions Double Free Vulnerability 9.8 Critique 14 avr. 2026
CVE-2026-33827 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows… 8.1 Élevée 14 avr. 2026
CVE-2026-33104 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX… 7.0 Élevée 14 avr. 2026
CVE-2026-33100 Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges… 7.0 Élevée 14 avr. 2026
CVE-2026-33101 Use after free in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally 7.8 Élevée 14 avr. 2026
CVE-2026-32225 Improper neutralization of special elements used in a command ('command injection') in Windows Shell allows an… 8.8 Élevée 14 avr. 2026
CVE-2026-32164 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows User Interface… 7.8 Élevée 14 avr. 2026
CVE-2026-32162 Acceptance of extraneous untrusted data with trusted data in Windows COM allows an unauthorized attacker to elevate… 8.4 Élevée 14 avr. 2026
CVE-2026-32163 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows User Interface… 7.8 Élevée 14 avr. 2026
CVE-2026-32153 Use after free in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally 7.8 Élevée 14 avr. 2026
CVE-2026-32150 Concurrent execution using shared resource with improper synchronization ('race condition') in Function Discovery… 7.0 Élevée 14 avr. 2026
CVE-2026-32151 Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to disclose… 6.5 Moyenne 14 avr. 2026
CVE-2026-32149 Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally 7.3 Élevée 14 avr. 2026

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