CVE-2026-83759CWE-94code-injection

CVE-2026-83759

High · published October 13, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
53.2
In the wild
Unconfirmed
What it is

Improper control of generation of code ('code injection') in Windows Encrypting File System (EFS) allows an authorized attacker to execute code over a network.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00716 · 53.2th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-10-13T23:20Z
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83759 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:34Z
    EPSS moved — → 1%
    epss
  • 13 OCT 18:59Z
    Windows Encrypting File System (EFS) Remote Code Execution Vulnerability
    cvelistv5
  • 13 OCT 18:59Z
    Windows Encrypting File System (EFS) Remote Code Execution Vulnerability
    cvelistv5