Microsoft Windows 11 26H1 vulnerabilities

CVE-2026-78455 [MEDIUM] CWE-125 CVE-2026-78455: Out-of-bounds read in Xbox allows an unauthorized attacker to disclose information with a physical a Out-of-bounds read in Xbox allows an unauthorized attacker to disclose information with a physical attack.

CVE-2026-45642 [LOW] CWE-20 CVE-2026-45642: Improper input validation in Microsoft Azure Attestation service and Device Health Attestation Servi Improper input validation in Microsoft Azure Attestation service and Device Health Attestation Service allows an authorized attacker to perform spoofing with a physical attack.

CVE-2026-57085 [LOW] CWE-125 CVE-2026-57085: Out-of-bounds read in Windows Print Spooler Components allows an authorized attacker to disclose inf Out-of-bounds read in Windows Print Spooler Components allows an authorized attacker to disclose information locally.

CVE-2026-50419 [LOW] CWE-200 CVE-2026-50419: Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized at Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.

CVE-2026-50416 [LOW] CWE-200 CVE-2026-50416: Exposure of sensitive information to an unauthorized actor in Windows Win32K allows an authorized at Exposure of sensitive information to an unauthorized actor in Windows Win32K allows an authorized attacker to disclose information locally.