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Vulnerability1 · 1 read

CVE-2026-118148

Privilege escalation in Active Directory Domain Services

CVSS 3.1
7.5 high
EPSS
—
Published
·
Modified
Analyze CVE-2026-118148 with Vani AIImpact, affected versions, exploitation status, mitigations and detection

Improper authentication in Microsoft Active Directory Domain Services lets an already authorized, low-privilege attacker elevate privileges over the network. No user interaction is required, but the conditions are difficult. Success gives high impact on confidentiality, integrity, and availability of the directory service. Microsoft has not listed affected builds.

What to do: Apply Microsoft's update for CVE-2026-118148. No fixed version or workaround is listed.

ProductAffected
Microsoft Active Directory Domain 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

Improper authentication in Active Directory Domain Services allows an authorized attacker to elevate privileges over a network.

Weakness
CWE-863
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

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