CVE-2026-7791 | THREATINT

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.

PUBLISHED Reserved 2026-05-04 | Published 2026-05-04 | Updated 2026-05-04 | Assigner AMZN

HIGH: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

HIGH: 8.5CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-367: Time-of-Check Time-of-Use (TOCTOU) Race Condition

Product status

Default status

unaffected

2.6.2034.0

unaffected

References

aws.amazon.com/security/security-bulletins/2026-025-aws/ vendor-advisory

cve.org (CVE-2026-7791)

nvd.nist.gov (CVE-2026-7791)

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