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-2026-87698Medium
Windows Remote Access Service Infrastructure Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-87709Medium
Windows Host Guardian Service Tampering Vulnerability
MS Server · 1 advisory - Added
CVE-2026-87694High
Windows Installer Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-87693High
Windows Installer Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-87705High
Windows Hyper-V Security Feature Bypass Vulnerability
MS Server · 1 advisory - Added
CVE-2026-88076High
Windows Installer Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-87699High
Winlogon Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-85943High
Reliable Multicast Transport Driver (RMCAST) Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-85941High
Windows Installer Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69798High
Windows Wired AutoConfig Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-69789High
Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-85874High
Windows Message Queuing Queue Manager Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83935Critical
Microsoft XML Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83934High
Windows GDI+ Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83933Medium
Windows Update Orchestrator Service Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83930High
Windows Update Orchestrator Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83931High
Windows Hyper-V Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83925Medium
Windows Kernel Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83924High
Windows Kernel Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83923High
Microsoft OpenSSH for Windows Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83918High
Windows Kernel Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83915High
Windows Diagnostic Policy Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-85912High
Clipboard User Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83913High
Windows Kernel Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-85911High
Windows StateRepository API Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-85910Medium
Windows StateRepository API Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-85909Medium
Windows Universal Disk Format File System Driver (UDFS) Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83910Critical
RPC Runtime Library Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-85908High
Windows Graphics Component Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83908High
RPC Runtime Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-85906High
Windows Direct Composition Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-85905High
Windows UI Immersive Server API Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83905Medium
Windows Shell Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83904Medium
HID Parser Library Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-85903High
Windows Domain Name Service Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-85902High
Windows Direct Composition Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-85901High
Windows Graphics Component Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-85872High
Windows Storage VSP Driver Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83903High
Windows Direct Composition Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83900High
Windows Bind Filter Driver Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83899High
Windows Installer Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83897Medium
Windows Win32 Kernel Subsystem Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83889High
Windows DNS Server Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83873High
Windows Shell Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83877High
Windows Devices Human Interface Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83895Medium
Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83898Medium
HID Parser Library Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83884Medium
Windows Human Interface Device Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83887Medium
HID Parser Library Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83881High
Windows exFAT File System Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83883High
Windows Win32k Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83874High
Windows Event Tracing Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83863High
Servicing Stack Updates Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83861High
Windows Remote Desktop Protocol Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83860High
Windows GDI Denial of Service Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83859High
Windows NTFS Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83857High
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83856High
Windows Event Logging Service Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83850High
Microsoft Windows Search Component Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83845High
Windows Internet (wininet.dll) Spoofing Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83841High
Windows Win32k Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83840High
Windows Error Reporting Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83837High
Windows Kernel-Mode Drivers Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83835Medium
Windows Common Log File System Driver Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83830High
Windows COM+ Event System Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83829High
Microsoft Windows Search Component Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83797High
Windows Partition Management Driver Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83795High
Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83794Medium
Windows Portable Device MTP Driver Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83792High
Windows Device Install Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83791High
Windows Virtual Input Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83789High
Windows SMB Client Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83788Medium
Windows rndismp6.sys Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83786Medium
Windows NTFS Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83781High
Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83785High
Windows COM+ Event System Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83783High
Windows Management Instrumentation Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83777High
Windows Bluetooth Service Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83778High
Microsoft Internet Messaging API Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83774Medium
Windows Win32 Kernel Subsystem Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83771High
Windows Camera Frame Server Monitor Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83770Critical
Windows Text Shaping Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83767High
Windows Installer Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83766Medium
Windows Hyper-V Security Feature Bypass Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83763High
Windows Input System Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83764Medium
Windows Clipboard User Service Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83765Medium
Windows DWM Core Library Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83762High
Win32k Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83757High
Win32k Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83756High
Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83755Medium
Win32k Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83752High
Windows Installer Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83750High
Windows Error Reporting Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83747Medium
Windows Error Reporting Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83737Medium
Windows NTFS Information Disclosure Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83735High
Windows Kernel Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83736Medium
Windows Kernel Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83739High
Windows Bluetooth Service Remote Code Execution Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83732High
Win32k Elevation of Privilege Vulnerability
MS Server · 1 advisory - Added
CVE-2026-83728High
Windows Hyper-V Spoofing Vulnerability
MS Server · 1 advisory