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7.8

Windows RPC API Privilege Escalation Vulnerability

CVE-2026-26183
Summary

An attacker with local access can potentially gain elevated privileges on a Windows system, allowing them to perform actions they shouldn't be able to do. This vulnerability affects various Windows versions and requires a malicious actor to be on the same network. To protect your system, ensure all Windows updates are installed and consider implementing additional security measures to limit local access.

Original title
Improper access control in Windows RPC API allows an authorized attacker to elevate privileges locally.
Original description
Improper access control in Windows RPC API allows an authorized attacker to elevate privileges locally.
nvd CVSS3.1 7.8
Vulnerability type
CWE-284 Improper Access Control
Published: 14 Apr 2026 · Updated: 14 Apr 2026 · First seen: 14 Apr 2026