How to fix CVE-2024-20655?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Is Memory Corruption affected by CVE-2024-20655?

CVE-2024-20655 presents notable security risk, a use-after-free vulnerability rated CVSS 6.6. Exploitation could compromise the security of affected deployments. A patch is available and should be applied during regular vulnerability management.

CVE-2024-20655

MEDIUM

2024-01-09 [email protected]

6.6

CVSS 3.1

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:34 vuln.today

Patch Released

Mar 28, 2026 - 19:34 nvd

Patch available

CVE Published

Jan 09, 2024 - 18:15 nvd

MEDIUM 6.6

Description

Microsoft Online Certificate Status Protocol (OCSP) Remote Code Execution Vulnerability

Analysis

Microsoft Online Certificate Status Protocol (OCSP) Remote Code Execution Vulnerability. Rated medium severity (CVSS 6.6), this vulnerability is remotely exploitable. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Technical Context

This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. Microsoft Online Certificate Status Protocol (OCSP) Remote Code Execution Vulnerability Affected products include: Microsoft Windows Server 2008, Microsoft Windows Server 2012, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022.

Affected Products

Microsoft Windows Server 2008, Microsoft Windows Server 2012, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022.

Remediation

A vendor patch is available. Apply the latest security update as soon as possible. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.4

CVSS: +33

POC: 0

CVE-2024-20655 vulnerability details – vuln.today

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CVE-2024-20655

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Lifecycle Timeline

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Description

Analysis

Technical Context

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CVE-2024-20655

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

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External POC / Exploit Code