CVEs published in October 2026
2,630 tracked CVEs from 30 vendors had their first vendor advisory published in October 2026: 332 critical, 1,531 high, 15 in CISA KEV. Newest first.
3,707 more from this month are covered only by Red Hat's per-package records, listed on the Red Hat vendor page.
- Added
CVE-2026-83725High
Microsoft Windows Search Component Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83724High
Windows Management Instrumentation Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83721High
Win32k Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83718High
Windows Installer Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83717High
Windows Installer Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83716High
Windows Hyper-V Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83714Medium
HTTP.sys Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83709High
Windows NTLM Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83703Medium
Windows Wi-Fi Driver Denial of Service Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83702High
Windows Installer Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83701High
Windows Now Playing Session Manager Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83698High
Windows Client-Side Caching (CSC) Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83697Medium
Windows Modern Device Management (MDM) Tampering Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83695Medium
Windows Event Logging Service Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83696High
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83689High
Windows Error Reporting Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83686Medium
Microsoft Windows Search Component Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83685Medium
Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83683Medium
Windows Encrypting File System (EFS) Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83682High
Windows TCP/IP Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83680High
Windows Installer Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83679High
Windows Defender Firewall Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83677High
Windows DHCP Client Denial of Service Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83676High
Windows Installer Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83672Medium
Windows Installer Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83670High
Function Discovery Service (fdwsd.dll) Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83668Medium
Windows WLAN Service Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83665High
Windows DHCP Server Denial of Service Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83664Medium
Windows Portable Device File System Driver Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83659High
Windows User Profile Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83656Medium
Windows Modern Device Management (MDM) Tampering Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83651Medium
Windows GDI Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83647High
Windows Active Directory Domain Services Denial of Service Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83645High
Active Directory Federation Services (AD FS) Denial of Service Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83643High
Windows Error Reporting Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83640High
Windows NTFS Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83639High
Windows Sensor Data Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83638High
Windows USB Driver Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83637High
Windows Kernel-Mode Drivers Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83636Medium
Windows Hyper-V Denial of Service Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83634High
Windows BitLocker Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83588High
Windows USB Driver Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83587High
Windows Core Messaging Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83585High
Windows NTFS Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83582Medium
Windows Graphics Kernel Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83579High
Windows Smart Card Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83574High
Windows Search Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83573Medium
Windows Kernel-Mode Driver Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83570High
Windows Search Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83568High
Windows Kernel-Mode Drivers Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83567High
Windows NTFS Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83566High
Windows Win32k Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83565Medium
Windows Encrypting File System (EFS) Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83564High
Windows Search Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83523High
Windows Image Acquisition Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83522High
Windows IKE Extension Spoofing Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83519Critical
Windows Error Reporting Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83517Critical
Microsoft Windows Media Foundation Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83513High
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83514High
Windows Partition Management Driver Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83511High
Active Directory Federation Services (AD FS) Spoofing Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83509High
Windows Setup Files Cleanup Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83507Medium
Windows Update Orchestrator Service Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83508High
Windows NTFS Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83506High
Servicing Stack Updates Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83505High
Windows Setup Files Cleanup Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-81971High
Windows NTFS Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69454High
Microsoft Azure Attestation service and Device Health Attestation Service Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69326High
Graphic Fonts Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-77496High
Windows Imaging Component Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-73027High
Windows Setup Files Cleanup Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69635Medium
Windows Installer Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-78459High
Microsoft Internet Information Services Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69596High
Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69577High
Microsoft Azure Attestation service and Device Health Attestation Service Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69471High
Windows Installer Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69783High
Windows Update Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69733High
Windows Update Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69640Medium
Windows Key Distribution Center Security Feature Bypass Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69765High
Windows Storport Miniport Driver Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69736High
Windows Credential Manager Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-70295Medium
Win32k Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-70294Medium
Win32k Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-70293Medium
Win32k Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-70292Medium
Win32k Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-70288Medium
Win32k Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-70258High
Microsoft Windows Media Foundation Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-70237High
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-70236High
Windows Win32k Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-70232Medium
Windows Kernel Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-70209High
Windows Win32k Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-70208Medium
HTTP.sys Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-70230High
Windows Audio Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-70201Medium
Windows DHCP Server Denial of Service Vulnerability
MS Server · 1 advisory - Added
CVE-2026-70211Medium
Win32k Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-70199Medium
Windows Kernel Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-70157Critical
Windows System Information Console Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-70207High
Network Policy Server (NPS) Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-70144High
Windows Win32k Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-70075Medium
Windows Virtualization-Based Security (VBS) Enclave Security Feature Bypass Vulnerability
MS Server · 1 advisory