CVE-2026-45653CWE-122

Windows Kernel Elevation of Privilege Vulnerability

High · published June 9, 2026

CVSS v3.1
7.0
EPSS
0%
Percentile
17.3
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
7.0 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00264 · 17.3th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-06-09T17:05Z
EPSS history
Timeline
  • 09 JUN 17:05Z
    Windows Kernel Elevation of Privilege Vulnerability
    cvelistv5