CVE-2026-33834CWE-284

Windows Event Logging Service Elevation of Privilege Vulnerability

High · published May 12, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
21.3
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00298 · 21.3th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-05-12T16:58Z
EPSS history
Timeline
  • 12 MAY 16:58Z
    Windows Event Logging Service Elevation of Privilege Vulnerability
    cvelistv5