CVE-2026-34340CWE-416

Windows Projected File System Elevation of Privilege Vulnerability

High · published May 12, 2026

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

Use after free in Windows Projected File System 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-416 · Use After Free
Published
2026-05-12T16:59Z
EPSS history
Timeline
  • 12 MAY 16:59Z
    Windows Projected File System Elevation of Privilege Vulnerability
    cvelistv5