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CVE archive

October 2026

Browse CVE records published in October 2026, with severity, affected products, CWE, KEV, and source-backed vulnerability context.

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Showing 50 of 7553 matching CVEs · Page 2 of 152.

High · CVSS 7.8

CVE-2026-87699: Winlogon Elevation of Privilege Vulnerability

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

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7

CVE-2026-85943: Reliable Multicast Transport Driver (RMCAST) Elevation of Privilege Vulnerability

Time-of-check time-of-use (toctou) race condition in Reliable Multicast Transport Driver (RMCAST) allows an authorized attacker to elevate privileges locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7

CVE-2026-85941: Windows Installer Elevation of Privilege Vulnerability

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

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7.8

CVE-2026-85884: Windows Health and Optimized Experiences Service Elevation of Privilege Vulnerability

Missing authentication for critical function in Windows Health and Optimized Experiences Service allows an authorized attacker to elevate privileges locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7.8

CVE-2026-69798: Windows Wired AutoConfig Service Elevation of Privilege Vulnerability

Use after free in Windows Wired AutoConfig Service allows an authorized attacker to elevate privileges locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7.5

CVE-2026-69789: Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability

Heap-based buffer overflow in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent network.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7

CVE-2026-85879: Windows Subsystem for Linux Elevation of Privilege Vulnerability

Time-of-check time-of-use (toctou) race condition in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7.8

CVE-2026-85874: Windows Message Queuing Queue Manager Remote Code Execution Vulnerability

Use after free in Windows Message Queuing Queue Manager allows an authorized attacker to execute code locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7

CVE-2026-62840: Linux Kernel Elevation of Privilege Vulnerability

Time-of-check time-of-use (toctou) race condition in Linux Kernel allows an authorized attacker to elevate privileges locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

Critical · CVSS 9.8

CVE-2026-83935: Microsoft XML Remote Code Execution Vulnerability

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

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 8.8

CVE-2026-83934: Windows GDI+ Remote Code Execution Vulnerability

Stack-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.

Published Oct 13, 2026 · Updated Oct 14, 2026

Medium · CVSS 5.5

CVE-2026-83933: Windows Update Orchestrator Service Information Disclosure Vulnerability

Improper link resolution before file access ('link following') in Windows Update Orchestrator Service allows an authorized attacker to disclose information locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7

CVE-2026-83930: Windows Update Orchestrator Service Elevation of Privilege Vulnerability

Use after free in Windows Update Orchestrator Service allows an authorized attacker to elevate privileges locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7.8

CVE-2026-83931: Windows Hyper-V Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

Medium · CVSS 4.7

CVE-2026-83925: Windows Kernel Information Disclosure Vulnerability

Use of uninitialized resource in Windows Kernel allows an authorized attacker to disclose information locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7

CVE-2026-83924: Windows Kernel Elevation of Privilege Vulnerability

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

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 8.8

CVE-2026-83923: Microsoft OpenSSH for Windows Remote Code Execution Vulnerability

Relative path traversal in OpenSSH for Windows allows an unauthorized attacker to execute code over a network.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7.8

CVE-2026-83918: Windows Kernel Elevation of Privilege Vulnerability

Integer overflow or wraparound in Windows Kernel allows an authorized attacker to elevate privileges locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7

CVE-2026-83915: Windows Diagnostic Policy Service Elevation of Privilege Vulnerability

Use after free in Windows Diagnostic Policy Service allows an authorized attacker to elevate privileges locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7

CVE-2026-85912: Clipboard User Service Elevation of Privilege Vulnerability

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

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7.8

CVE-2026-83913: Windows Kernel Elevation of Privilege Vulnerability

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

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7.8

CVE-2026-85911: Windows StateRepository API Elevation of Privilege Vulnerability

Use after free in Windows StateRepository API allows an authorized attacker to elevate privileges locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

Medium · CVSS 5.5

CVE-2026-85910: Windows StateRepository API Information Disclosure Vulnerability

Buffer over-read in Windows StateRepository API allows an authorized attacker to disclose information locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

Medium · CVSS 5.5

CVE-2026-85909: Windows Universal Disk Format File System Driver (UDFS) Information Disclosure Vulnerability

Out-of-bounds read in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to disclose information locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

Critical · CVSS 9.8

CVE-2026-83910: RPC Runtime Library Remote Code Execution Vulnerability

Out-of-bounds write in RPC Runtime allows an unauthorized attacker to execute code over a network.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7.8

CVE-2026-85908: Windows Graphics Component Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7

CVE-2026-83908: RPC Runtime Elevation of Privilege Vulnerability

Release of invalid pointer or reference in RPC Runtime allows an authorized attacker to elevate privileges locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

Medium · CVSS 5.5

CVE-2026-83907: Windows Hello Information Disclosure Vulnerability

Exposure of sensitive system information to an unauthorized control sphere in Windows Hello allows an authorized attacker to disclose information locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7.8

CVE-2026-85906: Windows Direct Composition Elevation of Privilege Vulnerability

Use after free in Windows Direct Composition allows an authorized attacker to elevate privileges locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 8.8

CVE-2026-85905: Windows UI Immersive Server API Elevation of Privilege Vulnerability

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

Published Oct 13, 2026 · Updated Oct 14, 2026

Medium · CVSS 4.7

CVE-2026-83905: Windows Shell Information Disclosure Vulnerability

Exposure of sensitive system information to an unauthorized control sphere in Windows Shell allows an authorized attacker to disclose information locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

Medium · CVSS 5.5

CVE-2026-83904: HID Parser Library Information Disclosure Vulnerability

Out-of-bounds read in HID Parser Library allows an authorized attacker to disclose information locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 8.8

CVE-2026-85903: Windows Domain Name Service Remote Code Execution Vulnerability

Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a network.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7.8

CVE-2026-85902: Windows Direct Composition Elevation of Privilege Vulnerability

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

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7.8

CVE-2026-85901: Windows Graphics Component Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7.8

CVE-2026-85872: Windows Storage VSP Driver Elevation of Privilege Vulnerability

Use after free in Windows Storage VSP Driver allows an authorized attacker to elevate privileges locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7.8

CVE-2026-83903: Windows Direct Composition Elevation of Privilege Vulnerability

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

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7

CVE-2026-83900: Windows Bind Filter Driver Elevation of Privilege Vulnerability

Use after free in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7

CVE-2026-83899: Windows Installer Elevation of Privilege Vulnerability

Improper privilege management in Windows Installer allows an authorized attacker to elevate privileges locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

Medium · CVSS 4.7

CVE-2026-83897: Windows Win32 Kernel Subsystem Information Disclosure Vulnerability

Exposure of sensitive system information to an unauthorized control sphere in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 8.8

CVE-2026-83889: Windows DNS Server Remote Code Execution Vulnerability

Release of invalid pointer or reference in DNS Server allows an authorized attacker to execute code over a network.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7.8

CVE-2026-83873: Windows Shell Elevation of Privilege Vulnerability

Relative path traversal in Windows Shell allows an authorized attacker to elevate privileges locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7.8

CVE-2026-83877: Windows Devices Human Interface Elevation of Privilege Vulnerability

Integer overflow or wraparound in HID Parser Library allows an authorized attacker to elevate privileges locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

Medium · CVSS 6.8

CVE-2026-83895: Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an unauthorized attacker to elevate privileges with a physical attack.

Published Oct 13, 2026 · Updated Oct 14, 2026

Medium · CVSS 5.5

CVE-2026-83870: Windows Aggregated Data Platform Service Information Disclosure Vulnerability

Out-of-bounds read in Windows Aggregated Data Platform Service allows an authorized attacker to disclose information locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

Medium · CVSS 5.5

CVE-2026-83898: HID Parser Library Information Disclosure Vulnerability

Out-of-bounds read in HID Parser Library allows an authorized attacker to disclose information locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

Medium · CVSS 5.5

CVE-2026-83884: Windows Human Interface Device Information Disclosure Vulnerability

Out-of-bounds read in HID Parser Library allows an authorized attacker to disclose information locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

Medium · CVSS 5.5

CVE-2026-83887: HID Parser Library Information Disclosure Vulnerability

Out-of-bounds read in HID Parser Library allows an authorized attacker to disclose information locally.

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7.8

CVE-2026-83881: Windows exFAT File System Elevation of Privilege Vulnerability

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

Published Oct 13, 2026 · Updated Oct 14, 2026

High · CVSS 7.8

CVE-2026-83883: Windows Win32k Elevation of Privilege Vulnerability

Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.

Published Oct 13, 2026 · Updated Oct 14, 2026