CVE-2026-85836
7.8HighPublished 13 Oct 2026 · NVD status: Analyzed · AI triage by gemini-3.8-flash
7.8High
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Impact
- Full C/I/A compromise
- Weakness
- CWE-416
Impact
A local attacker with an existing user account can gain SYSTEM-level code execution on the target Windows machine. No user interaction is required.
Root cause
A use-after-free vulnerability exists in the Windows Kernel.
Affected systems
Versions not listed — check the vendor advisory.
CVSS v3.1 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Fix & remediation
Apply the Windows security update referenced in the Microsoft Security Update Guide advisory; no interim workarounds are documented.
AI-suggested. Run it in staging first and check it against the vendor advisory. Why?
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NVD description
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85836PatchVendor Advisory