CVE-2026-24283

HIGH
2026-03-10 [email protected]
8.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
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 8.8

Tags

Buffer Overflow Heap Overflow Microsoft Windows 11 24h2 Windows 11 26h1 Windows Server 2022 23h2 Windows Server 2025 Windows 11 25h2 Windows

Description

Heap-based buffer overflow in Windows File Server allows an authorized attacker to elevate privileges locally.

Analysis

Privilege escalation in Windows 11 (24h2, 26h1) and Windows Server 2022 (23h2) via heap overflow allows authenticated local users to gain system-level access. The vulnerability requires valid credentials but no user interaction, making it a direct path to complete system compromise. …

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Remediation

Within 24 hours: Inventory all Windows File Servers in production and restrict File Server access to only essential personnel; document baseline configurations. Within 7 days: Implement network segmentation to isolate file servers, enforce multi-factor authentication for administrative access, and increase logging/monitoring on file server activities for privilege escalation attempts. …

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Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +44
POC: 0

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CVE-2026-24283 vulnerability details – vuln.today
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