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-2026-83796High
Windows Kernel Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83798Medium
Windows Update Stack Spoofing Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83793High
Windows Update Orchestrator Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83787Medium
Windows DHCP Server Security Feature Bypass Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83784High
Windows Encrypting File System (EFS) Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83782Critical
Windows Shell Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83780Critical
Windows CCFFilter Driver Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83779High
Windows Installer Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83776Medium
Windows Bluetooth Driver Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83775High
Windows Installer Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83768High
Windows Kernel Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83759High
Windows Encrypting File System (EFS) Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83758High
Windows Error Reporting Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83760Medium
Microsoft Bluetooth Driver Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83761High
Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83754High
Microsoft OpenSSH for Windows Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83753High
Windows Camera Frame Server Monitor Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83749High
Windows Overlay Filter Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83748Critical
Windows Error Reporting Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83740High
Windows Hello Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83738High
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83733Medium
Windows Print Spooler Components Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83727High
Windows Overlay Filter Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83726High
Windows DWM Core Library Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83723Medium
Windows Event Logging Service Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83722High
Microsoft Local Security Authority (LSA) Server Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83719Medium
Servicing Stack Updates Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83715High
Windows Error Reporting Tampering Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83713Medium
Windows Universal Disk Format File System Driver (UDFS) Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83712High
Windows NTFS Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83708High
Windows Installer Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83707High
Windows Event Tracing Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83706Medium
Windows NTFS Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83705Medium
HTTP.sys Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83704High
Microsoft Windows Search Component Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83700High
Windows Now Playing Session Manager Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83699High
Windows Client-Side Caching (CSC) Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83693Critical
Windows Error Reporting Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83694High
Windows Volume Manager Extension Driver Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83692High
Windows Bind Filter Driver Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83691High
Windows DHCP Server Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83690High
Windows Kernel Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83688High
Remote Desktop Client Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83687High
Windows Connected User Experiences and Telemetry Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83678High
Windows TCP/IP Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83675High
Windows Kernel Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83669High
Windows Error Reporting Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83671Medium
Windows Hyper-V Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83667Medium
Windows Active Directory Domain Services Denial of Service Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83666High
Active Directory Certificate Services (AD CS) Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83658Medium
Windows Error Reporting Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83657Medium
Windows Modern Device Management (MDM) Tampering Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83655High
Network Policy Server (NPS) Denial of Service Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83654High
Windows Modern Device Management (MDM) Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83652High
Windows NTFS Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83650High
Windows Media Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83649Medium
Windows Local Security Authority Subsystem Service (LSASS) Denial of Service Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83648Medium
Windows Active Directory Domain Services Denial of Service Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83646Medium
Active Directory Federation Services (AD FS) Spoofing Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83644High
Windows Audio Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83642High
Windows Domain Name Service Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83641High
Windows Media Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83635High
Role: DNS Server Denial of Service Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83584High
Windows Smart Card Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83583High
Windows Geotag Broker Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83580High
Windows Client-Side Caching (CSC) Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83578Critical
Microsoft PowerShell Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83575High
Windows Search Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83571Medium
Windows Audio Service Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83521Medium
Windows IKE Extension Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83515Medium
RPC Runtime Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83516High
Windows Local Security Authority Subsystem Service (LSASS) Denial of Service Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83510High
Windows Setup Files Cleanup Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83499High
Windows Server Update Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83500Medium
Windows BitLocker Security Feature Bypass Vulnerability
MS Server · 1 advisory - Added
CVE-2026-81969High
Windows Server Update Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-81964Medium
Windows Update Orchestrator Service Security Feature Bypass Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69882High
Windows Update Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69718High
Windows Update Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69673High
Windows Update Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69633High
Windows Update Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69743High
Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-72969High
Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69650High
Windows Key Distribution Center Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69830High
Windows DHCP Server Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69387High
Windows Error Reporting Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-72934High
Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69354High
Windows Error Reporting Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-70580High
Windows Credential Guard Spoofing Vulnerability
MS Server · 1 advisory - Added
CVE-2026-72955High
Windows Application Compatibility Cache Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69721Medium
Windows iSCSI Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69883Critical
Windows iSCSI Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69644Medium
Windows iSCSI Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69634Critical
Windows iSCSI Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69705Critical
Windows iSCSI Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69521High
Windows iSCSI Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-68836High
Windows kernel32.dll Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-70285High
Windows Win32k Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-70284Medium
Win32k Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-70278High
Microsoft Windows Media Foundation Elevation of Privilege Vulnerability
MS Server · 1 advisory