CVE-2026-96857 Windows Projected File System Information Disclosure Vulnerability

Medium 5.5 Published Updated

An authorized local attacker can disclose information via Windows Projected File System, requiring a security patch.

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-2026-96857?

CVE-2026-96857 is a medium-severity vulnerability in Microsoft Windows 10 1809, 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

Files or directories accessible to external parties in Windows Projected File System allows an authorized attacker to disclose information locally.

Weakness: CWE-552

Which versions are affected by CVE-2026-96857?

It affects 11 products.

Products include Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 23h2, Microsoft Windows 11 24h2, Microsoft Windows 11 25h2 and 5 more.

How do I fix CVE-2026-96857?

No fix has been published for CVE-2026-96857 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-96857 being exploited?

There is no known exploitation of CVE-2026-96857 in the wild and no public exploit code.

All Microsoft Windows 10 1809 vulnerabilities

Sources

Also known as GHSA-p8mh-75hx-r3fc.

Is CVE-2026-96857 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free