What is CVE-2026-33834?

CVE-2026-33834 is a security advisory published by Microsoft Security Response Center (MSRC) with Elevation of Privilege severity. Windows Event Logging Service Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2026-33834 cover?

CVE-2026-33834 covers the following CVE IDs: CVE-2026-33834. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-33834?

CVE-2026-33834 has a CVSS v3 base score of 7.8, published by Microsoft Security Response Center (MSRC).

CVE-2026-33834Elevation of PrivilegeCVSS 7.8

Windows Event Logging Service Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

May 22, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-33834 →

📋 Description

<p>Improper access control in Windows Event Logging Service allows an authorized attacker to elevate privileges locally.</p>