CVE-2026-7791CWE-367

CVE-2026-7791

High · published May 5, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
2.1
In the wild
Unconfirmed
What it is

Improper privilege management in the log rotation mechanism of the Skylight Workspace Config Service in Amazon WorkSpaces for Windows before 2.6.2034.0 allows a local non-admin authenticated user to place arbitrary files into arbitrary locations bypassing file system permission protections, leading to local privilege escalation to SYSTEM.

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
0.00126 · 2.1th percentile
Weakness
CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition
Published
2026-05-05T02:16Z
References (1)
https://aws.amazon.com/security/security-bulletins/2026-025-aws/ · ff89ba41-3aa1-4d27-914a-91399e9639e5
EPSS history
Timeline
  • 04 MAY 22:07Z
    Improper privilege management in the log rotation mechanism of the Skylight Workspace Config Service in Amazon WorkSpaces for Windows before 2.6.2034.0 allows…
    cvelistv5