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CVE-2026-118735

Weak authentication privilege escalation in Active Directory Domain Services

CVSS 3.1
7.5 high
EPSS
—
Published
·
Modified
Analyze CVE-2026-118735 with Vani AIImpact, affected versions, exploitation status, mitigations and detection

Weak authentication in Microsoft Active Directory Domain Services lets an already authorized attacker elevate privileges over the network. No user interaction is required, but the attack is complex. A successful attacker can gain high impact on confidentiality, integrity, and availability. Microsoft has not listed affected builds or fixed versions.

What to do: Apply Microsoft's update for CVE-2026-118735. Microsoft has not named a fixed version or workaround.

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

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

Weakness
CWE-1390
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

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