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Vulnérabilités connues pour Microsoft Windows 11 version 22H3

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CVE Résumé Score Publiée
CVE-2026-21513 Exploitée Microsoft Internet Explorer Protection Mechanism Failure Vulnerability 8.8 Élevée 10 févr. 2026
CVE-2026-21533 Exploitée Microsoft Windows Improper Privilege Management Vulnerability 7.8 Élevée 10 févr. 2026
CVE-2026-21236 Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate… 7.8 Élevée 10 févr. 2026
CVE-2026-21235 Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally 7.3 Élevée 10 févr. 2026
CVE-2026-21234 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Connected Devices… 7.0 Élevée 10 févr. 2026
CVE-2026-21242 Use after free in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally 7.0 Élevée 10 févr. 2026
CVE-2026-21246 Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally 7.8 Élevée 10 févr. 2026
CVE-2026-21247 Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally 7.3 Élevée 10 févr. 2026
CVE-2026-21248 Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally 7.3 Élevée 10 févr. 2026
CVE-2026-21519 Exploitée Microsoft Windows Type Confusion Vulnerability 7.8 Élevée 10 févr. 2026
CVE-2026-20937 Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to… 5.5 Moyenne 13 janv. 2026
CVE-2026-20939 Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to… 5.5 Moyenne 13 janv. 2026
CVE-2026-20936 Out-of-bounds read in Windows NDIS allows an authorized attacker to disclose information with a physical attack 4.3 Moyenne 13 janv. 2026
CVE-2026-20935 Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an unauthorized attacker… 6.2 Moyenne 13 janv. 2026
CVE-2026-20931 External control of file name or path in Windows Telephony Service allows an authorized attacker to elevate privileges… 8.0 Élevée 13 janv. 2026
CVE-2026-20874 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management… 7.8 Élevée 13 janv. 2026
CVE-2026-20929 Improper access control in Windows HTTP.sys allows an authorized attacker to elevate privileges over a network 7.5 Élevée 13 janv. 2026
CVE-2026-20873 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management… 7.8 Élevée 13 janv. 2026
CVE-2026-20871 Use after free in Desktop Windows Manager allows an authorized attacker to elevate privileges locally 7.8 Élevée 13 janv. 2026
CVE-2026-20872 External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network 6.5 Moyenne 13 janv. 2026
CVE-2026-20867 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management… 7.8 Élevée 13 janv. 2026
CVE-2026-20868 Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to… 8.8 Élevée 13 janv. 2026
CVE-2026-20863 Double free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally 7.0 Élevée 13 janv. 2026
CVE-2026-20866 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management… 7.8 Élevée 13 janv. 2026
CVE-2026-20862 Exposure of sensitive information to an unauthorized actor in Windows Management Services allows an authorized… 5.5 Moyenne 13 janv. 2026

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