CVE Catalog

CVE-2026-85905

HighCVSS 8.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.32%

23th percentile - higher than 23% of all known CVEs

Summary

Heap-based buffer overflow in Windows UI Immersive Server allows an authorized attacker to elevate privileges locally.

Risk Assessment

An attacker with valid credentials can exploit this flaw to elevate privileges, creating a risk of system compromise.

Recommendation

Immediately install Microsoft updates for Windows UI Immersive Server and limit the ability to run untrusted code locally.

Related vulnerabilities

Original NVD description (English source)

Heap-based buffer overflow in Windows UI Immersive Server allows an authorized attacker to elevate privileges locally.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS