CVE-2026-96183 Windows Health and Optimized Experiences Service Information Disclosure Vulnerability

Medium 5.5 Published Updated

An authorized local attacker can disclose sensitive information due to missing authentication in the Windows Health and Optimized Experiences Service.

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-2026-96183?

CVE-2026-96183 is a medium-severity missing authorization vulnerability in Microsoft Windows 11 24h2, 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

Missing authentication for critical function in Windows Health and Optimized Experiences Service allows an authorized attacker to disclose information locally.

Weakness: CWE-306

Which versions are affected by CVE-2026-96183?

It affects 4 products.

Products include Microsoft Windows 11 24h2, Microsoft Windows 11 25h2, Microsoft Windows 11 26h1, Microsoft Windows 11 26h2.

How do I fix CVE-2026-96183?

No fix has been published for CVE-2026-96183 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-96183 being exploited?

There is no known exploitation of CVE-2026-96183 in the wild and no public exploit code.

All Microsoft Windows 11 24h2 vulnerabilities

Sources

Also known as GHSA-hfcq-93jq-cr32.

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