CVE-2026-85858
7.8HighPublished 13 Oct 2026 · NVD status: Undergoing Analysis · AI triage by gemini-3.8-flash
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
- Impact
- Full C/I/A compromise
- Weakness
- CWE-125
Impact
A local authenticated attacker can elevate privileges to compromise the Windows kernel subsystem. They need valid local credentials to execute the exploit.
Root cause
An out-of-bounds read flaw exists within the Windows Win32 Kernel Subsystem.
Affected systems
Versions not listed — check the vendor advisory.
CVSS v3.1 · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Fix & remediation
Install the Microsoft security update for this advisory from the MSRC portal once released; no interim workarounds or mitigations are provided.
AI-suggested. Run it in staging first and check it against the vendor advisory. Why?
NVD description
Out-of-bounds read in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.