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Vulnérabilités connues pour Microsoft Windows Server 2019 (Server Core installation)

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CVE Résumé Score Publiée
CVE-2026-20844 Use after free in Windows Clipboard Server allows an unauthorized attacker to elevate privileges locally 7.4 Élevée 13 janv. 2026
CVE-2026-20847 Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to perform… 6.5 Moyenne 13 janv. 2026
CVE-2026-20840 Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally 7.8 Élevée 13 janv. 2026
CVE-2026-20839 Improper access control in Windows Client-Side Caching (CSC) Service allows an authorized attacker to disclose… 5.5 Moyenne 13 janv. 2026
CVE-2026-20837 Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally 7.8 Élevée 13 janv. 2026
CVE-2026-20836 Concurrent execution using shared resource with improper synchronization ('race condition') in Graphics Kernel allows an… 7.0 Élevée 13 janv. 2026
CVE-2026-20833 Use of a broken or risky cryptographic algorithm in Windows Kerberos allows an authorized attacker to disclose… 5.5 Moyenne 13 janv. 2026
CVE-2026-20834 Absolute path traversal in Windows Shell allows an unauthorized attacker to perform spoofing with a physical attack 4.6 Moyenne 13 janv. 2026
CVE-2026-20832 Windows Remote Procedure Call Interface Definition Language (IDL) Elevation of Privilege Vulnerability 7.8 Élevée 13 janv. 2026
CVE-2026-20829 Out-of-bounds read in Windows TPM allows an authorized attacker to disclose information locally 5.5 Moyenne 13 janv. 2026
CVE-2026-20831 Time-of-check time-of-use (toctou) race condition in Windows Ancillary Function Driver for WinSock allows an… 7.8 Élevée 13 janv. 2026
CVE-2026-20827 Exposure of sensitive information to an unauthorized actor in Tablet Windows User Interface (TWINUI) Subsystem allows an… 5.5 Moyenne 13 janv. 2026
CVE-2026-20828 Out-of-bounds read in Windows Internet Connection Sharing (ICS) allows an unauthorized attacker to disclose… 4.6 Moyenne 13 janv. 2026
CVE-2026-20826 Concurrent execution using shared resource with improper synchronization ('race condition') in Tablet Windows User… 7.8 Élevée 13 janv. 2026
CVE-2026-20824 Protection mechanism failure in Windows Remote Assistance allows an unauthorized attacker to bypass a security feature… 5.5 Moyenne 13 janv. 2026
CVE-2026-20825 Improper access control in Windows Hyper-V allows an authorized attacker to disclose information locally 4.4 Moyenne 13 janv. 2026
CVE-2026-20822 Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally 7.8 Élevée 13 janv. 2026
CVE-2026-20823 Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to… 5.5 Moyenne 13 janv. 2026
CVE-2026-20821 Exposure of sensitive information to an unauthorized actor in Windows Remote Procedure Call allows an unauthorized… 6.2 Moyenne 13 janv. 2026
CVE-2026-20820 Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate… 7.8 Élevée 13 janv. 2026
CVE-2026-20818 Insertion of sensitive information into log file in Windows Kernel allows an unauthorized attacker to disclose… 6.2 Moyenne 13 janv. 2026
CVE-2026-20816 Time-of-check time-of-use (toctou) race condition in Windows Installer allows an authorized attacker to elevate… 7.8 Élevée 13 janv. 2026
CVE-2026-20814 Concurrent execution using shared resource with improper synchronization ('race condition') in Graphics Kernel allows an… 7.0 Élevée 13 janv. 2026
CVE-2026-20812 Improper input validation in Windows LDAP - Lightweight Directory Access Protocol allows an authorized attacker to… 6.5 Moyenne 13 janv. 2026
CVE-2026-20810 Free of memory not on the heap in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate… 7.8 Élevée 13 janv. 2026

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