8.5
HIGH CVSS 4.0
CVE-2026-7791
Amazon WorkSpaces for Windows Skylight Workspace Config Service Privilege Escalation
Description

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.

INFO

Published Date :

May 4, 2026, 10:16 p.m.

Last Modified :

May 4, 2026, 10:16 p.m.

Remotely Exploit :

No

Source :

ff89ba41-3aa1-4d27-914a-91399e9639e5
Affected Products

The following products are affected by CVE-2026-7791 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH ff89ba41-3aa1-4d27-914a-91399e9639e5
CVSS 4.0 HIGH ff89ba41-3aa1-4d27-914a-91399e9639e5
CVSS 4.0 HIGH ff89ba41-3aa1-4d27-914a-91399e9639e5
Solution
Update Skylight Workspace Config Service to version 2.6.2034.0 or later to fix privilege escalation.
  • Update Skylight Workspace Config Service to the latest version.
  • Ensure proper privilege management in log rotation.
  • Apply vendor patches as soon as they are available.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-7791.

URL Resource
https://aws.amazon.com/security/security-bulletins/2026-025-aws/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-7791 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-7791 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-7791 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-7791 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by ff89ba41-3aa1-4d27-914a-91399e9639e5

    May. 04, 2026

    Action Type Old Value New Value
    Added Description 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.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-367
    Added Reference https://aws.amazon.com/security/security-bulletins/2026-025-aws/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.