Microsoft Windows Server 2016 vulnerabilities

CVE-2026-83570 High · 7.8 CWE-416 Oct 13, 2026

Windows Search Service Elevation of Privilege Vulnerability

Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.

CVE-2026-83567 High · 7.8 CWE-125 Oct 13, 2026

Windows NTFS Elevation of Privilege Vulnerability

Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-83565 Medium · 5.5 CWE-126 Oct 13, 2026

Windows Encrypting File System (EFS) Information Disclosure Vulnerability

Buffer over-read in Windows Encrypting File System (EFS) allows an authorized attacker to disclose information locally.

CVE-2026-83564 High · 7.0 CWE-416 Oct 13, 2026

Windows Search Service Elevation of Privilege Vulnerability

Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.

CVE-2026-83522 High · 8.1 CWE-807 Oct 13, 2026

Windows IKE Extension Spoofing Vulnerability

Reliance on untrusted inputs in a security decision in Windows IKE Extension allows an unauthorized attacker to perform spoofing over a network.

CVE-2026-83521 Medium · 6.5 CWE-125 Oct 13, 2026

Windows IKE Extension Information Disclosure Vulnerability

Out-of-bounds read in Windows IKE Extension allows an authorized attacker to disclose information over a network.

CVE-2026-83519 Critical · 9.8 CWE-122 Oct 13, 2026

Windows Error Reporting Remote Code Execution Vulnerability

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

CVE-2026-83517 Critical · 9.8 CWE-122 Oct 13, 2026

Microsoft Windows Media Foundation Remote Code Execution Vulnerability

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

CVE-2026-83515 Medium · 6.5 CWE-908 Oct 13, 2026

RPC Runtime Information Disclosure Vulnerability

Use of uninitialized resource in RPC Runtime allows an unauthorized attacker to disclose information over a network.

CVE-2026-83514 High · 7.8 CWE-122 Oct 13, 2026

Windows Partition Management Driver Elevation of Privilege Vulnerability

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

CVE-2026-83513 High · 7.8 CWE-122 Oct 13, 2026

Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability

Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.

CVE-2026-83511 High · 7.4 CWE-1390 Oct 13, 2026

Active Directory Federation Services (AD FS) Spoofing Vulnerability

Weak authentication in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.

CVE-2026-83510 High · 7.0 CWE-367 Oct 13, 2026

Windows Setup Files Cleanup Elevation of Privilege Vulnerability

Time-of-check time-of-use (toctou) race condition in Windows Setup Files Cleanup allows an authorized attacker to elevate privileges locally.

CVE-2026-83509 High · 7.0 CWE-426 Oct 13, 2026

Windows Setup Files Cleanup Elevation of Privilege Vulnerability

Untrusted search path in Windows Setup Files Cleanup allows an authorized attacker to elevate privileges locally.

CVE-2026-83508 High · 7.8 CWE-125 Oct 13, 2026

Windows NTFS Elevation of Privilege Vulnerability

Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-83506 High · 7.8 CWE-426 Oct 13, 2026

Servicing Stack Updates Elevation of Privilege Vulnerability

Untrusted search path in Servicing Stack Updates allows an authorized attacker to elevate privileges locally.

CVE-2026-83505 High · 7.0 CWE-367 Oct 13, 2026

Windows Setup Files Cleanup Elevation of Privilege Vulnerability

Time-of-check time-of-use (toctou) race condition in Windows Setup Files Cleanup allows an authorized attacker to elevate privileges locally.

CVE-2026-83500 Medium · 6.1 CWE-601 Oct 13, 2026

Windows BitLocker Security Feature Bypass Vulnerability

Url redirection to untrusted site ('open redirect') in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.

CVE-2026-83499 High · 7.8 CWE-1220 Oct 13, 2026

Windows Server Update Service Elevation of Privilege Vulnerability

Insufficient granularity of access control in Windows Server Update Service allows an authorized attacker to elevate privileges locally.

CVE-2026-81971 High · 7.0 CWE-362 Oct 13, 2026

Windows NTFS Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-81969 High · 7.8 CWE-1220 Oct 13, 2026

Windows Server Update Service Elevation of Privilege Vulnerability

Insufficient granularity of access control in Windows Server Update Service allows an authorized attacker to elevate privileges locally.

CVE-2026-78459 High · 7.8 CWE-122 Oct 13, 2026

Microsoft Internet Information Services Elevation of Privilege Vulnerability

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

CVE-2026-77496 High · 8.8 CWE-122 Oct 13, 2026

Windows Imaging Component Remote Code Execution Vulnerability

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

CVE-2026-73027 High · 7.8 CWE-15 Oct 13, 2026

Windows Setup Files Cleanup Elevation of Privilege Vulnerability

External control of system or configuration setting in Windows Setup Files Cleanup allows an authorized attacker to elevate privileges locally.

CVE-2026-72968 High · 7.0 CWE-416 Oct 13, 2026

Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability

Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.