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CVE-2022-21926— HEVC Video Extensions Remote Code Execution Vulnerability

Quick assessment

Affected
Microsoft HEVC Video Extension
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Windows Codecs Library是美国微软（Microsoft）公司的微软Windows系统得一个功能库。 Microsoft Windows Codecs Library存在缓冲区错误漏洞。以下产品和版本受到影响：HEVC Video Extension,HEVC Video Extensions

CVSS 7.8 · High EPSS 2.26% · P82

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2022-21926

Vulnerability Information
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Vulnerability Title
HEVC Video Extensions Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
HEVC Video Extensions Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows Codecs Library 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows Codecs Library是美国微软（Microsoft）公司的微软Windows系统得一个功能库。 Microsoft Windows Codecs Library存在缓冲区错误漏洞。以下产品和版本受到影响：HEVC Video Extension,HEVC Video Extensions
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft HEVC Video Extension 1.0.0.0 ~ 1.0.43421.0 -
Microsoft HEVC Video Extensions 1.0.0 ~ 1.0.43422.0 -

II. Public POCs for CVE-2022-21926

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III. Intelligence Information for CVE-2022-21926

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Vendor Advisories for CVE-2022-21926 (1)

Same Patch Batch · Microsoft · 2022-02-09 · 48 CVEs total

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CVE-2022-21984 8.8 HIGH Windows DNS Server Remote Code Execution Vulnerability
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CVE-2022-23256 8.1 HIGH Azure Data Explorer Spoofing Vulnerability
CVE-2022-21991 8.1 HIGH Visual Studio Code Remote Development Extension Remote Code Execution Vulnerability
CVE-2022-21987 8.0 HIGH Microsoft SharePoint Server Spoofing Vulnerability
CVE-2022-21995 7.9 HIGH Windows Hyper-V Remote Code Execution Vulnerability
CVE-2022-22004 7.8 HIGH Microsoft Office ClickToRun Remote Code Execution Vulnerability
CVE-2022-21981 7.8 HIGH Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2022-21996 7.8 HIGH Win32k Elevation of Privilege Vulnerability
CVE-2022-21999 7.8 HIGH Windows Print Spooler Elevation of Privilege Vulnerability
CVE-2022-22000 7.8 HIGH Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2022-22001 7.8 HIGH Windows Remote Access Connection Manager Elevation of Privilege Vulnerability
CVE-2022-22003 7.8 HIGH Microsoft Office Graphics Remote Code Execution Vulnerability
CVE-2022-21927 7.8 HIGH HEVC Video Extensions Remote Code Execution Vulnerability
CVE-2022-22709 7.8 HIGH VP9 Video Extensions Remote Code Execution Vulnerability
CVE-2022-22715 7.8 HIGH Named Pipe File System Elevation of Privilege Vulnerability
CVE-2022-22718 7.8 HIGH Windows Print Spooler Elevation of Privilege Vulnerability
CVE-2022-23276 7.8 HIGH SQL Server for Linux Containers Elevation of Privilege Vulnerability

Showing top 20 of 48 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: HEVC Video Extension
Same vendor: Microsoft

V. Comments for CVE-2022-21926

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