Microsoft Windows 11 Version 26H1 vulnerabilities

CVE-2026-42970 [MEDIUM] CWE-200 CVE-2026-42970: Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an a Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker to disclose information locally.

CVE-2026-42906 [MEDIUM] CWE-200 CVE-2026-42906: Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized att Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to disclose information locally.

CVE-2026-48566 [MEDIUM] CWE-125 CVE-2026-48566: Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.

CVE-2026-42968 [MEDIUM] CWE-125 CVE-2026-42968: Out-of-bounds read in Windows Telephony Service allows an authorized attacker to disclose informatio Out-of-bounds read in Windows Telephony Service allows an authorized attacker to disclose information locally.

CVE-2026-35419 [MEDIUM] CWE-125 CVE-2026-35419: Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.

CVE-2026-50316 [MEDIUM] CWE-532 CVE-2026-50316: Insertion of sensitive information into log file in Windows Kernel allows an authorized attacker to Insertion of sensitive information into log file in Windows Kernel allows an authorized attacker to disclose information locally.

CVE-2026-50409 [MEDIUM] CWE-200 CVE-2026-50409: Exposure of sensitive information to an unauthorized actor in Windows Overlay Filter allows an autho Exposure of sensitive information to an unauthorized actor in Windows Overlay Filter allows an authorized attacker to disclose information locally.

CVE-2026-32084 [MEDIUM] CWE-200 CVE-2026-32084: Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an author Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.

CVE-2026-32079 [MEDIUM] CWE-200 CVE-2026-32079: Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an author Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.

CVE-2026-44814 [MEDIUM] CWE-122 CVE-2026-44814: Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.

CVE-2026-50295 [MEDIUM] CWE-269 CVE-2026-50295: Improper privilege management in Microsoft Windows DNS allows an authorized attacker to bypass a sec Improper privilege management in Microsoft Windows DNS allows an authorized attacker to bypass a security feature locally.

CVE-2026-21249 [LOW] CWE-73 CVE-2026-21249: External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spo External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing locally.

CVE-2026-50661 [MEDIUM] CWE-693 CVE-2026-50661: Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a securi Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.

CVE-2026-27931 [MEDIUM] CWE-125 CVE-2026-27931: Out-of-bounds read in Windows GDI allows an unauthorized attacker to disclose information locally. Out-of-bounds read in Windows GDI allows an unauthorized attacker to disclose information locally.

CVE-2026-50431 [MEDIUM] CWE-200 CVE-2026-50431: Windows Quality of Service (QoS) Packet Scheduler Information Disclosure Vulnerability Windows Quality of Service (QoS) Packet Scheduler Information Disclosure Vulnerability

CVE-2026-32218 [MEDIUM] CWE-532 CVE-2026-32218: Insertion of sensitive information into log file in Windows Kernel allows an authorized attacker to Insertion of sensitive information into log file in Windows Kernel allows an authorized attacker to disclose information locally.

CVE-2026-32215 [MEDIUM] CWE-532 CVE-2026-32215: Insertion of sensitive information into log file in Windows Kernel allows an authorized attacker to Insertion of sensitive information into log file in Windows Kernel allows an authorized attacker to disclose information locally.

CVE-2026-32217 [MEDIUM] CWE-532 CVE-2026-32217: Insertion of sensitive information into log file in Windows Kernel allows an authorized attacker to Insertion of sensitive information into log file in Windows Kernel allows an authorized attacker to disclose information locally.

CVE-2026-27930 [MEDIUM] CWE-125 CVE-2026-27930: Out-of-bounds read in Windows GDI allows an unauthorized attacker to disclose information locally. Out-of-bounds read in Windows GDI allows an unauthorized attacker to disclose information locally.

CVE-2026-42915 [MEDIUM] CWE-131 CVE-2026-42915: Incorrect calculation of buffer size in Windows VMSwitch allows an authorized attacker to deny servi Incorrect calculation of buffer size in Windows VMSwitch allows an authorized attacker to deny service locally.