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CVE-2021-36937

Windows Media MPEG-4 Video Decoder Remote Code Execution Vulnerability

7.8 High

Windows Media MPEG-4 Video Decoder Remote Code Execution Vulnerability

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

2.30%Up 1.4 points since Aug 13, 2021
90%50%10%1%

What each source reports

CVE List Score used 7.8

Windows Media MPEG-4 Video Decoder Remote Code Execution Vulnerability

Windows Media MPEG-4 Video Decoder Remote Code Execution Vulnerability

Record
CVE-2021-36937
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Updated
2026-11-02
EUVDEUVD-2021-23513 7.8

Windows Media MPEG-4 Video Decoder Remote Code Execution Vulnerability

Record
EUVD-2021-23513
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Updated
2026-11-02
GitHub AdvisoriesGHSA-m743-3wjh-838g 7.8

Windows Media MPEG-4 Video Decoder Remote Code Execution Vulnerability

Windows Media MPEG-4 Video Decoder Remote Code Execution Vulnerability

Record
GHSA-m743-3wjh-838g
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
NVD 7.8

Windows Media MPEG-4 Video Decoder Remote Code Execution Vulnerability

Record
CVE-2021-36937
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Updated
2026-11-02

Affected products

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History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-36937 is a high vulnerability (CVSS 7.8) in Microsoft Windows 10 Version 1507, published August 12, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.30%, the 83rd percentile. No source names a fixed version.

References

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