CVE-2021-27050 - Vulnerability Details - OpenCVE

HEVC Video Extensions Remote Code Execution Vulnerability

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Microsoft	Hevc Video Extensions High Efficiency Video Coding

Configuration 1 [-]

cpe:2.3:a:microsoft:high_efficiency_video_coding:-:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-27050
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27050

History

Wed, 19 Aug 2026 16:45:00 +0000

Type	Values Removed	Values Added
First Time appeared		Microsoft hevc Video Extensions
CPEs		cpe:2.3:a:microsoft:hevc_video_extensions::::::::
Vendors & Products		Microsoft hevc Video Extensions
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-27050

Tue, 01 Oct 2024 16:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2021-03-11T15:45:13.000Z

Updated: 2026-08-19T16:30:41.747Z

Reserved: 2021-02-10T00:00:00.000Z

Link: CVE-2021-27050

Vulnrichment

Updated: 2024-08-03T20:40:47.148Z

NVD

Status : Modified

Published: 2021-03-11T16:15:17.020

Modified: 2026-08-19T17:17:48.163

Link: CVE-2021-27050

Redhat

No data.

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