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CVE-2026-119957

Local privilege escalation via double free in Windows RDS

CVSS 3.1
7.8 high
EPSS
—
Published
·
Modified
Analyze CVE-2026-119957 with Vani AIImpact, affected versions, exploitation status, mitigations and detection

A double-free flaw in Windows Remote Desktop Services lets an authorized attacker elevate privileges. The attacker must already have a local low-privilege account; no user interaction is required, but the conditions are hard to meet. Success can fully compromise confidentiality, integrity, and availability beyond the service. Microsoft has not listed affected builds or a fixed version.

What to do: Apply Microsoft's update for CVE-2026-119957 when it is available. No workaround is named.

ProductAffected
Microsoft Windows Remote Desktop Services—
Estimated exposure
No basis for an estimate.

Order-of-magnitude estimate by the model from install counts, market share and public scan data it knows; verify before quoting.

Description · NVD

Double free in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.

Weakness
CWE-415
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

In the news

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