What is the CVSS score of CVE-2021-38644?

CVE-2021-38644 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 2.1%.

Is there a patch available for CVE-2021-38644?

Yes, a patch is available for CVE-2021-38644. Update the affected software to the latest version immediately.

Mpeg 2 Video Extension CVE-2021-38644

HIGH

2021-09-15 secure@microsoft.com

Microsoft RCE Mpeg 2 Video Extension

7.8

CVSS 3.1 · Vendor: microsoft

Severity by source

Vendor (microsoft) PRIMARY

7.8 HIGH

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from Vendor (microsoft) · only source for this CVE.

CVSS VectorVendor: microsoft

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

CVE Published

Sep 15, 2021 - 12:15 cve.org

HIGH 7.8

DescriptionCVE.org

Microsoft MPEG-2 Video Extension Remote Code Execution Vulnerability

AnalysisAI

Microsoft MPEG-2 Video Extension Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.

Technical ContextAI

Microsoft MPEG-2 Video Extension Remote Code Execution Vulnerability Affected products include: Microsoft Mpeg-2 Video Extension.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.