CVE-2026-85857 Windows Kernel-Mode Drivers Information Disclosure Vulnerability

Medium 5.5 Published Updated

An authorized local attacker can read sensitive information from log files in Windows Kernel-Mode Drivers.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-85857?

CVE-2026-85857 is a medium-severity vulnerability in Microsoft Windows 10 1607, published on 13 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Insertion of sensitive information into log file in Windows Kernel-Mode Drivers allows an authorized attacker to disclose information locally.

Weakness: CWE-532

Which versions are affected by CVE-2026-85857?

It affects 14 products.

Products include Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 23h2, Microsoft Windows 11 24h2 and 8 more.

How do I fix CVE-2026-85857?

No fix has been published for CVE-2026-85857 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-85857 being exploited?

There is no known exploitation of CVE-2026-85857 in the wild and no public exploit code.

All Microsoft Windows 10 1607 vulnerabilities

Sources

Also known as GHSA-g4f7-wc62-qgf4.

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