CVE-2026-45200CWE-416

CVE-2026-45200

High · published September 4, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
5.1
In the wild
Unconfirmed
What it is

Software installed and run as a non-privileged user may conduct improper GPU driver IOCTL calls to create an allocation scenario that when freed would cause double free and kernel heap corruption.

Scenario caused by fabricating a specific combination of flags on the allocation interface that would cause an incorrect double free event when freed.

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
CVSS v4.0
Not supplied
EPSS
0.00162 · 5.1th percentile
Weakness
CWE-416 · Use After Free
Published
2026-09-04T06:17Z
References (1)
EPSS history
Timeline
  • 05 SEP 03:42Z
    EPSS moved — → 0%
    epss
  • 04 SEP 01:45Z
    GPU DDK - Double free in _FreeOSPages due to incorrect allocation flag set by _EncodeAllocationFlags
    cvelistv5