CVE-2026-7791
Local privilege escalation in Skylight Workspace Config Service enables SYSTEM through arbitrary file writes.
Is CVE-2026-7791 being exploited?
Not confirmed. CVE-2026-7791 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.12% probability of exploitation in the next 30 days.
How severe is CVE-2026-7791?
CVE-2026-7791 is rated High with a CVSS score of 8.5. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-7791?
Yes. A fix has been recorded for CVE-2026-7791. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-7791 affect?
CVE-2026-7791 affects Amazon WorkSpaces Windows Skylight Workspace Config Service < 2.6.2034.0. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-7791?
Upgrade to 2.6.2034.0+; verify log rotation perms.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Local non-admin can write to arbitrary file paths, bypassing permissions, elevating to SYSTEM.
Patch when possible