CVE-2025-21326

HIGH
2025-01-14 [email protected]
7.8
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 18:03 vuln.today
Patch Released
Mar 28, 2026 - 18:03 nvd
Patch available
CVE Published
Jan 14, 2025 - 18:15 nvd
HIGH 7.8

Tags

RCE Memory Corruption Windows Server 2022 23h2 Windows Server 2025 Microsoft

Description

Internet Explorer Remote Code Execution Vulnerability

Analysis

Internet Explorer Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Access of Resource Using Incompatible Type (Type Confusion) vulnerability could allow attackers to execute arbitrary code by exploiting type confusion in the application.

Technical Context

This vulnerability is classified as Access of Resource Using Incompatible Type (Type Confusion) (CWE-843), which allows attackers to execute arbitrary code by exploiting type confusion in the application. Affected products include: Microsoft Windows Server 2022 23H2, Microsoft Windows Server 2025.

Affected Products

Microsoft Windows Server 2022 23H2, Microsoft Windows Server 2025.

Remediation

A vendor patch is available. Apply the latest security update as soon as possible. Enforce strict type checking, use type-safe languages, validate object types before operations.

Priority Score

40
Low Medium High Critical
KEV: 0
EPSS: +0.6
CVSS: +39
POC: 0

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CVE-2025-21326 vulnerability details – vuln.today
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