Microsoft Windows 10 21H2 vulnerabilities

CVE-2026-70277 [MEDIUM] CWE-125 CVE-2026-70277: Out-of-bounds read in Windows Fast FAT Driver allows an unauthorized attacker to disclose informatio Out-of-bounds read in Windows Fast FAT Driver allows an unauthorized attacker to disclose information locally.

CVE-2026-21222 [MEDIUM] CWE-532 CVE-2026-21222: 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-2025-55336 [MEDIUM] CWE-200 CVE-2025-55336: Exposure of sensitive information to an unauthorized actor in Windows Cloud Files Mini Filter Driver Exposure of sensitive information to an unauthorized actor in Windows Cloud Files Mini Filter Driver allows an authorized attacker to disclose information locally.

CVE-2026-96865 [MEDIUM] CWE-497 CVE-2026-96865: Exposure of sensitive system information to an unauthorized control sphere in Windows Secure Kernel Exposure of sensitive system information to an unauthorized control sphere in Windows Secure Kernel Mode allows an authorized attacker to disclose information locally.

CVE-2025-59509 [MEDIUM] CWE-201 CVE-2025-59509: Insertion of sensitive information into sent data in Windows Speech allows an authorized attacker to Insertion of sensitive information into sent data in Windows Speech allows an authorized attacker to disclose information locally.

CVE-2026-20829 [MEDIUM] CWE-125 CVE-2026-20829: Out-of-bounds read in Windows TPM allows an authorized attacker to disclose information locally. Out-of-bounds read in Windows TPM allows an authorized attacker to disclose information locally.

CVE-2026-57083 [MEDIUM] CWE-908 CVE-2026-57083: Use of uninitialized resource in Microsoft Windows Codecs Library allows an unauthorized attacker to Use of uninitialized resource in Microsoft Windows Codecs Library allows an unauthorized attacker to disclose information locally.

CVE-2025-24068 [MEDIUM] CWE-126 CVE-2025-24068: Buffer over-read in Windows Storage Management Provider allows an authorized attacker to disclose in Buffer over-read in Windows Storage Management Provider allows an authorized attacker to disclose information locally.

CVE-2025-55325 [MEDIUM] CWE-126 CVE-2025-55325: Buffer over-read in Windows Storage Management Provider allows an authorized attacker to disclose in Buffer over-read in Windows Storage Management Provider allows an authorized attacker to disclose information locally.

CVE-2025-49684 [MEDIUM] CWE-126 CVE-2025-49684: Buffer over-read in Storage Port Driver allows an authorized attacker to disclose information locall Buffer over-read in Storage Port Driver allows an authorized attacker to disclose information locally.

CVE-2026-20939 [MEDIUM] CWE-200 CVE-2026-20939: 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-2026-20937 [MEDIUM] CWE-200 CVE-2026-20937: 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-2025-59513 [MEDIUM] CWE-125 CVE-2025-59513: Out-of-bounds read in Windows Bluetooth RFCOM Protocol Driver allows an authorized attacker to discl Out-of-bounds read in Windows Bluetooth RFCOM Protocol Driver allows an authorized attacker to disclose information locally.

CVE-2026-69294 [MEDIUM] CWE-209 CVE-2026-69294: Generation of error message containing sensitive information in Microsoft COM for Windows allows an Generation of error message containing sensitive information in Microsoft COM for Windows allows an authorized attacker to disclose information locally.

CVE-2026-50434 [MEDIUM] CWE-200 CVE-2026-50434: 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-2026-50334 [MEDIUM] CWE-200 CVE-2026-50334: Exposure of sensitive information to an unauthorized actor in Windows Notification allows an authori Exposure of sensitive information to an unauthorized actor in Windows Notification allows an authorized attacker to disclose information locally.

CVE-2026-50339 [MEDIUM] CWE-200 CVE-2026-50339: 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-2026-33842 [MEDIUM] CWE-200 CVE-2026-33842: 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-2026-34349 [MEDIUM] CWE-200 CVE-2026-34349: Exposure of sensitive information to an unauthorized actor in Windows Media allows an authorized att Exposure of sensitive information to an unauthorized actor in Windows Media allows an authorized attacker to disclose information locally.

CVE-2026-50394 [MEDIUM] CWE-200 CVE-2026-50394: Exposure of sensitive information to an unauthorized actor in Windows Media allows an authorized att Exposure of sensitive information to an unauthorized actor in Windows Media allows an authorized attacker to disclose information locally.