CVE-2026-85870

HighCVSS 7.0/10Last modified Oct 16, 2026

Description

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

Metrics

CVSS 3.1 7.0/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published
Oct 13, 2026
Last modified
Oct 16, 2026
NVD status
Undergoing Analysis

Related CVEs from 2026

CVE-2026-858717.8Heap-based buffer overflow in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.CVE-2026-858727.8Use after free in Windows Storage VSP Driver allows an authorized attacker to elevate privileges locally.CVE-2026-858736.5Improper authorization in Skype for Business and Microsoft Lync allows an authorized attacker to elevate privileges over a network.CVE-2026-858747.8Use after free in Windows Message Queuing Queue Manager allows an authorized attacker to execute code locally.CVE-2026-858755.5Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.CVE-2026-858767.0Use after free in SQL Server allows an authorized attacker to elevate privileges locally.CVE-2026-858778.8Heap-based buffer overflow in Windows Print Spooler Components allows an unauthorized attacker to execute code over a network.CVE-2026-858789.9Improper authorization in Azure Database for PostgreSQL allows an authorized attacker to elevate privileges over a network.CVE-2026-858797.0Time-of-check time-of-use (toctou) race condition in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locallyCVE-2026-858807.8Heap-based buffer overflow in Windows ALPC allows an authorized attacker to elevate privileges locally.CVE-2026-858818.0Stack-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges over a network.CVE-2026-858847.8Missing authentication for critical function in Windows Health and Optimized Experiences Service allows an authorized attacker to elevate pr
CVE-2026-85870: High severity, CVSS 7.0 | Vulnix