Microsoft Windows 11 26H1 vulnerabilities

CVE-2026-50303 [MEDIUM] CWE-1240 CVE-2026-50303: Use of a cryptographic primitive with a risky implementation in Windows Key Guard allows an authoriz Use of a cryptographic primitive with a risky implementation in Windows Key Guard allows an authorized attacker to bypass a security feature locally.

CVE-2026-108466 [MEDIUM] CWE-125 CVE-2026-108466: Out-of-bounds read in Windows Kernel allows an unauthorized attacker to deny service over a network. Out-of-bounds read in Windows Kernel allows an unauthorized attacker to deny service over a network.

CVE-2026-69474 [MEDIUM] CWE-126 CVE-2026-69474: Use after free in Windows Overlay Filter allows an authorized attacker to disclose information over Use after free in Windows Overlay Filter allows an authorized attacker to disclose information over a network.

CVE-2026-59130 [MEDIUM] CWE-1303 CVE-2026-59130: No cwe for this issue in AMD Zen allows an authorized attacker to disclose information locally. No cwe for this issue in AMD Zen allows an authorized attacker to disclose information locally.

CVE-2026-70044 [MEDIUM] CWE-125 CVE-2026-70044: Out-of-bounds read in Microsoft Windows Media Foundation allows an unauthorized attacker to disclose Out-of-bounds read in Microsoft Windows Media Foundation allows an unauthorized attacker to disclose information locally.

CVE-2026-59131 [MEDIUM] CWE-1303 CVE-2026-59131: No cwe for this issue in AMD Zen allows an authorized attacker to disclose information locally. No cwe for this issue in AMD Zen allows an authorized attacker to disclose information locally.

CVE-2026-57084 [MEDIUM] CWE-908 CVE-2026-57084: Use of uninitialized resource in Windows File Explorer allows an unauthorized attacker to disclose i Use of uninitialized resource in Windows File Explorer allows an unauthorized attacker to disclose information locally.

CVE-2026-96944 [MEDIUM] CWE-538 CVE-2026-96944: Insertion of sensitive information into externally-accessible file or directory in Windows Storage a Insertion of sensitive information into externally-accessible file or directory in Windows Storage allows an authorized attacker to disclose information locally.

CVE-2026-68852 [MEDIUM] CWE-200 CVE-2026-68852: Use of uninitialized resource in Microsoft Account allows an authorized attacker to disclose informa Use of uninitialized resource in Microsoft Account allows an authorized attacker to disclose information locally.

CVE-2026-69406 [MEDIUM] CWE-497 CVE-2026-69406: Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an authorized attacker to disclose information locally.

CVE-2026-50681 [MEDIUM] CWE-200 CVE-2026-50681: Exposure of sensitive information to an unauthorized actor in Windows Cryptographic Services allows Exposure of sensitive information to an unauthorized actor in Windows Cryptographic Services allows an authorized attacker to disclose information locally.

CVE-2026-50352 [MEDIUM] CWE-200 CVE-2026-50352: Exposure of sensitive information to an unauthorized actor in Windows Cryptographic Services allows Exposure of sensitive information to an unauthorized actor in Windows Cryptographic Services allows an authorized attacker to disclose information locally.

CVE-2026-34328 [MEDIUM] CWE-200 CVE-2026-34328: Exposure of sensitive information to an unauthorized actor in Windows Audio Service allows an author Exposure of sensitive information to an unauthorized actor in Windows Audio Service allows an authorized attacker to disclose information locally.

CVE-2026-50350 [MEDIUM] CWE-200 CVE-2026-50350: Exposure of sensitive information to an unauthorized actor in Windows Trusted Runtime Interface Driv Exposure of sensitive information to an unauthorized actor in Windows Trusted Runtime Interface Driver allows an authorized attacker to disclose information locally.

CVE-2026-50483 [MEDIUM] CWE-200 CVE-2026-50483: Exposure of sensitive information to an unauthorized actor in Microsoft Graphics Component allows an Exposure of sensitive information to an unauthorized actor in Microsoft Graphics Component allows an authorized attacker to disclose information locally.

CVE-2026-70097 [MEDIUM] CWE-362 CVE-2026-70097: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to perform spoofing locally.

CVE-2026-83695 [MEDIUM] CWE-908 CVE-2026-83695: Use of uninitialized resource in Windows Event Logging Service allows an authorized attacker to disc Use of uninitialized resource in Windows Event Logging Service allows an authorized attacker to disclose information locally.

CVE-2026-85793 [MEDIUM] CWE-497 CVE-2026-85793: Exposure of sensitive system information to an unauthorized control sphere in Windows Sysmain Servic Exposure of sensitive system information to an unauthorized control sphere in Windows Sysmain Service allows an authorized attacker to disclose information locally.

CVE-2026-69967 [MEDIUM] CWE-125 CVE-2026-69967: Out-of-bounds read in Windows Overlay Filter allows an authorized attacker to disclose information l Out-of-bounds read in Windows Overlay Filter allows an authorized attacker to disclose information locally.

CVE-2026-70292 [MEDIUM] CWE-125 CVE-2026-70292: Out-of-bounds read in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose infor Out-of-bounds read in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.