Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%

Buy Us a Coffee

CVE-2021-43248— Windows Digital Media Receiver Elevation of Privilege Vulnerability

Quick assessment

Affected

Microsoft Windows 10 Version 1809

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存在权限许可和访问控制问题漏洞。以下产品和版本受到影响：Windows Server 2012 R2 (Server Core installation),Windows 10 Version 1809 for 32-bit Systems,Windows 10 Version 1809 for x64-

CVSS 7.8 · High EPSS 0.53% · P43 Updated Feb 25, 2026

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-43248

Vulnerability Information

Have questions about the vulnerability? See if Shenlong's analysis helps!

View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title

Windows Digital Media Receiver Elevation of Privilege Vulnerability

Source: CVE Program / CVE List V5

Vulnerability Description

Windows Digital Media Receiver Elevation of Privilege Vulnerability

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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 权限许可和访问控制问题漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

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
Microsoft	Windows 10 Version 1809	10.0.0 ~ 10.0.17763.2366	`cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.2366::::::x86:`
Microsoft	Windows Server 2019	10.0.0 ~ 10.0.17763.2366	`cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2366:::::::*`
Microsoft	Windows Server 2019 (Server Core installation)	10.0.0 ~ 10.0.17763.2366	`cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2366:::::::*`
Microsoft	Windows 10 Version 1909	10.0.0 ~ 10.0.18363.1977	`cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1977::::::x86:`
Microsoft	Windows 10 Version 21H1	10.0.0 ~ 10.0.19043.1415	`cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1415::::::x64:`
Microsoft	Windows Server 2022	10.0.0 ~ 10.0.20348.405	`cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.405:::::::*`
Microsoft	Windows 10 Version 2004	10.0.0 ~ 10.0.19041.1415	`cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.1415::::::x64:`
Microsoft	Windows Server version 2004	10.0.0 ~ 10.0.19041.1415	`cpe:2.3:o:microsoft:windows_server_2004:10.0.19041.1415:::::::*`
Microsoft	Windows 10 Version 20H2	10.0.0 ~ 10.0.19042.1415	`cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1415::::::x86:`
Microsoft	Windows Server version 20H2	10.0.0 ~ 10.0.19042.1415	`cpe:2.3:o:microsoft:windows_server_20H2:10.0.19042.1415:::::::*`
Microsoft	Windows 11 version 21H2	10.0.0 ~ 10.0.22000.376	`cpe:2.3:o:microsoft:windows_11_21H2:10.0.22000.376::::::x64:`
Microsoft	Windows 10 Version 21H2	10.0.0 ~ 10.0.19044.1415	`cpe:2.3:o:microsoft:windows_10_21H2:10.0.19044.1415::::::x86:`
Microsoft	Windows 10 Version 1507	10.0.0 ~ 10.0.10240.19145	`cpe:2.3:o:microsoft:windows_10_1507:10.0.10240.19145::::::x86:`
Microsoft	Windows 10 Version 1607	10.0.0 ~ 10.0.14393.4825	`cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4825::::::x86:`
Microsoft	Windows Server 2016	10.0.0 ~ 10.0.14393.4825	`cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4825:::::::*`
Microsoft	Windows Server 2016 (Server Core installation)	10.0.0 ~ 10.0.14393.4825	`cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4825:::::::*`
Microsoft	Windows 8.1	6.3.0 ~ 6.3.9600.20207	`cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20207::::::x86:`
Microsoft	Windows Server 2012	6.2.0 ~ 6.2.9200.23545	`cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23545::::::x64:`
Microsoft	Windows Server 2012 (Server Core installation)	6.2.0 ~ 6.2.9200.23545	`cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23545::::::x64:`
Microsoft	Windows Server 2012 R2	6.3.0 ~ 6.3.9600.20207	`cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20207::::::x64:`
Microsoft	Windows Server 2012 R2 (Server Core installation)	6.3.0 ~ 6.3.9600.20207	`cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20207::::::x64:`

II. Public POCs for CVE-2021-43248

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2021-43248

请登录查看更多情报信息。

Vendor Advisories for CVE-2021-43248 (1)

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43248 x_refsource_MISC

https://www.cve.org/CVERecord?id=CVE-2021-43248

Same Patch Batch · Microsoft · 2021-12-15 · 67 CVEs total

CVE-2021-42313	10.0 CRITICAL	Microsoft Defender for IoT Remote Code Execution Vulnerability
CVE-2021-42311	10.0 CRITICAL	Microsoft Defender for IoT Remote Code Execution Vulnerability
CVE-2021-43215	9.8 CRITICAL	iSNS Server Memory Corruption Vulnerability Can Lead to Remote Code Execution
CVE-2021-43907	9.8 CRITICAL	Visual Studio Code WSL Extension Remote Code Execution Vulnerability
CVE-2021-43899	9.8 CRITICAL	Microsoft 4K Wireless Display Adapter Remote Code Execution Vulnerability
CVE-2021-43905	9.6 CRITICAL	Microsoft Office app Remote Code Execution Vulnerability
CVE-2021-43882	9.0 CRITICAL	Microsoft Defender for IoT Remote Code Execution Vulnerability
CVE-2021-42315	8.8 HIGH	Microsoft Defender for IoT Remote Code Execution Vulnerability
CVE-2021-42314	8.8 HIGH	Microsoft Defender for IoT Remote Code Execution Vulnerability
CVE-2021-41365	8.8 HIGH	Microsoft Defender for IoT Remote Code Execution Vulnerability
CVE-2021-42309	8.8 HIGH	Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2021-43877	8.8 HIGH	ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability
CVE-2021-43217	8.1 HIGH	Windows Encrypting File System (EFS) Remote Code Execution Vulnerability
CVE-2021-42310	8.1 HIGH	Microsoft Defender for IoT Remote Code Execution Vulnerability
CVE-2021-42320	8.0 HIGH	Microsoft SharePoint Server Spoofing Vulnerability
CVE-2021-43232	7.8 HIGH	Windows Event Tracing Remote Code Execution Vulnerability
CVE-2021-43226	7.8 HIGH	Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2021-43231	7.8 HIGH	Windows NTFS Elevation of Privilege Vulnerability
CVE-2021-43223	7.8 HIGH	Windows Remote Access Connection Manager Elevation of Privilege Vulnerability
CVE-2021-43230	7.8 HIGH	Windows NTFS Elevation of Privilege Vulnerability

Showing top 20 of 67 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1809

Same vendor: Microsoft

V. Comments for CVE-2021-43248

No comments yet

Goal Reached Thanks to every supporter — we hit 100%!

CVE-2021-43248— Windows Digital Media Receiver Elevation of Privilege Vulnerability

Quick assessment

Possible ATT&CK Techniques 1 AI

I. Basic Information for CVE-2021-43248

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2021-43248

III. Intelligence Information for CVE-2021-43248

Vendor Advisories for CVE-2021-43248 (1)

Same Patch Batch · Microsoft · 2021-12-15 · 67 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2021-43248

Leave a comment