CVE-2026-24290

HIGH
2026-03-10 [email protected]
7.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Mar 10, 2026 - 18:18 nvd
HIGH 7.8

Tags

Microsoft Authentication Bypass Windows 11 24h2 Windows Server 2022 23h2 Windows 11 26h1 Windows 11 25h2 Windows 11 23h2 Windows 10 21h2 Windows Server 2025 Windows Server 2019 Windows 10 22h2 Windows 10 1809 Windows Server 2022 Windows

Description

Improper access control in Windows Projected File System allows an authorized attacker to elevate privileges locally.

Analysis

Windows Projected File System in Windows 11 and Server 2022 contains improper access control that enables authenticated local users to escalate privileges to system level. An attacker with valid credentials can exploit this vulnerability to gain elevated permissions without user interaction. …

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Remediation

Within 24 hours: Inventory all systems running Windows Projected File System and assess exposure; communicate risk to system owners. Within 7 days: Implement network segmentation to limit lateral movement and disable Windows Projected File System where operationally feasible. …

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Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +39
POC: 0

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CVE-2026-24290 vulnerability details – vuln.today
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