Microsoft Windows Server 2016 vulnerabilities

CVE-2026-83848 High · 7.8 CWE-822 Oct 13, 2026

Windows COM+ Event System Service Elevation of Privilege Vulnerability

Untrusted pointer dereference in Windows COM+ Event System Service allows an authorized attacker to elevate privileges locally.

CVE-2026-83847 High · 7.8 CWE-122 Oct 13, 2026

Microsoft Account Elevation of Privilege Vulnerability

Heap-based buffer overflow in Microsoft Account allows an authorized attacker to elevate privileges locally.

CVE-2026-83843 High · 7.5 CWE-125 Oct 13, 2026

Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability

Out-of-bounds read in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.

CVE-2026-83842 High · 7.0 CWE-415 Oct 13, 2026

Windows TCP/IP Elevation of Privilege Vulnerability

Double free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.

CVE-2026-83840 High · 7.8 CWE-1390 Oct 13, 2026

Windows Error Reporting Elevation of Privilege Vulnerability

Weak authentication in Windows Error Reporting allows an authorized attacker to elevate privileges locally.

CVE-2026-83838 High · 8.0 CWE-191 Oct 13, 2026

Windows Bluetooth A2DP driver Elevation of Privilege Vulnerability

Integer underflow (wrap or wraparound) in Windows Bluetooth A2DP driver allows an authorized attacker to elevate privileges over an adjacent network.

CVE-2026-83837 High · 7.8 CWE-441 Oct 13, 2026

Windows Kernel-Mode Drivers Elevation of Privilege Vulnerability

Improper access control in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.

CVE-2026-83836 High · 7.8 CWE-122 Oct 13, 2026

Windows Event Tracing Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Event Tracing allows an unauthorized attacker to execute code locally.

CVE-2026-83835 Medium · 5.5 CWE-126 Oct 13, 2026

Windows Common Log File System Driver Information Disclosure Vulnerability

Buffer over-read in Windows Common Log File System Driver allows an authorized attacker to disclose information locally.

CVE-2026-83834 High · 7.0 Public exploit CWE-367 Oct 13, 2026

Windows Kernel-Mode Drivers Elevation of Privilege Vulnerability

Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.

CVE-2026-83833 High · 7.8 CWE-122 Oct 13, 2026

Windows Kernel Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-83830 High · 7.8 CWE-122 Oct 13, 2026

Windows COM+ Event System Service Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows COM+ Event System Service allows an authorized attacker to elevate privileges locally.

CVE-2026-83829 High · 7.8 CWE-122 Oct 13, 2026

Microsoft Windows Search Component Elevation of Privilege Vulnerability

Heap-based buffer overflow in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.

CVE-2026-83827 High · 7.0 CWE-122 Oct 13, 2026

Windows Bluetooth Port Driver Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Bluetooth Port Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-83798 Medium · 5.5 CWE-20 Oct 13, 2026

Windows Update Stack Spoofing Vulnerability

Improper verification of cryptographic signature in Windows Update Stack allows an authorized attacker to perform spoofing locally.

CVE-2026-83795 High · 7.5 CWE-122 Oct 13, 2026

Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability

Heap-based buffer overflow in Windows IKE Extension allows an unauthorized attacker to deny service over a network.

CVE-2026-83794 Medium · 5.5 CWE-125 Oct 13, 2026

Windows Portable Device MTP Driver Information Disclosure Vulnerability

Out-of-bounds read in Windows Portable Device MTP Driver allows an authorized attacker to disclose information locally.

CVE-2026-83789 High · 8.8 CWE-122 Oct 13, 2026

Windows SMB Client Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows SMB Client allows an unauthorized attacker to elevate privileges over a network.

CVE-2026-83788 Medium · 4.6 CWE-126 Oct 13, 2026

Windows rndismp6.sys Information Disclosure Vulnerability

Buffer over-read in Windows RNDIS allows an unauthorized attacker to disclose information with a physical attack.

CVE-2026-83787 Medium · 5.5 CWE-288 Oct 13, 2026

Windows DHCP Server Security Feature Bypass Vulnerability

Insufficient verification of data authenticity in Windows DHCP Server allows an authorized attacker to bypass a security feature locally.

CVE-2026-83786 Medium · 4.7 CWE-209 Oct 13, 2026

Windows NTFS Information Disclosure Vulnerability

Generation of error message containing sensitive information in Windows NTFS allows an authorized attacker to disclose information locally.

CVE-2026-83785 High · 7.0 CWE-416 Oct 13, 2026

Windows COM+ Event System Service Elevation of Privilege Vulnerability

Use after free in Windows COM+ Event System Service allows an authorized attacker to elevate privileges locally.

CVE-2026-83784 High · 8.8 CWE-36 Oct 13, 2026

Windows Encrypting File System (EFS) Elevation of Privilege Vulnerability

Absolute path traversal in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges over a network.

CVE-2026-83783 High · 7.8 CWE-122 Oct 13, 2026

Windows Management Instrumentation Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Management Instrumentation allows an authorized attacker to elevate privileges locally.

CVE-2026-83782 Critical · 9.8 CWE-122 Oct 13, 2026

Windows Shell Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Shell allows an unauthorized attacker to execute code over a network.