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Known vulnerabilities in Microsoft Windows 11 Version 25H2

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CVE Summary Score Published
CVE-2026-40400 Relative path traversal in Windows PowerShell allows an authorized attacker to execute code over a network 8.0 High Jul 14, 2026
CVE-2026-40422 Use of uninitialized resource in Windows File Explorer allows an authorized attacker to disclose information locally 5.5 Medium Jul 14, 2026
CVE-2026-41087 Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to… 5.5 Medium Jul 14, 2026
CVE-2026-33842 Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to… 5.5 Medium Jul 14, 2026
CVE-2026-34328 Exposure of sensitive information to an unauthorized actor in Windows Audio Service allows an authorized attacker to… 5.5 Medium Jul 14, 2026
CVE-2026-58640 Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally 7.3 High Jul 14, 2026
CVE-2026-58635 Improper neutralization of special elements used in a command ('command injection') in Windows Narrator Braille allows… 7.8 High Jul 14, 2026
CVE-2026-58610 Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-58614 Out-of-bounds read in Windows Kernel allows an authorized attacker to bypass a security feature locally 5.5 Medium Jul 14, 2026
CVE-2026-58609 Out-of-bounds read in Microsoft Graphics Component allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-58602 Use after free in Windows Kernel Mode Driver allows an authorized attacker to elevate privileges locally 7.8 High Jul 14, 2026
CVE-2026-58608 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Print Spooler… 8.8 High Jul 14, 2026
CVE-2026-58601 Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate… 7.8 High Jul 14, 2026
CVE-2026-58526 Use after free in Windows Storage allows an authorized attacker to elevate privileges locally 7.0 High Jul 14, 2026
CVE-2026-57976 Null pointer dereference in Active Directory Domain Services allows an authorized attacker to deny service over a… 6.5 Medium Jul 14, 2026
CVE-2026-57979 Out-of-bounds read in Windows RDP allows an unauthorized attacker to disclose information over a network 6.5 Medium Jul 14, 2026
CVE-2026-57097 Untrusted search path in Microsoft XML allows an unauthorized attacker to bypass a security feature with a physical… 6.4 Medium Jul 14, 2026
CVE-2026-50694 Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attacker to execute code over a… 8.1 High Jul 14, 2026
CVE-2026-54127 Use after free in Windows Hyper-V allows an unauthorized attacker to elevate privileges locally 7.4 High Jul 14, 2026
CVE-2026-55144 Missing cryptographic step in Windows CryptoAPI allows an authorized attacker to perform tampering locally 7.1 High Jul 14, 2026
CVE-2026-54122 Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code locally 8.4 High Jul 14, 2026
CVE-2026-55003 Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network 6.5 Medium Jul 14, 2026
CVE-2026-54995 Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a… 8.1 High Jul 14, 2026
CVE-2026-54997 Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information locally 5.5 Medium Jul 14, 2026
CVE-2026-54999 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows… 8.8 High Jul 14, 2026

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