Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code over a network.

Project Subscriptions

Vendors Products
Microsoft Subscribe
Web Media Extensions Subscribe
Windows 10 21h2 Subscribe
Windows 10 22h2 Subscribe
Windows 11 23h2 Subscribe
Windows 11 24h2 Subscribe
Windows 11 25h2 Subscribe
Windows 11 26h1 Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 23 Sep 2026 15:45:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1
CPEs cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*
Vendors & Products Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1

Wed, 09 Sep 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 08 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Description Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code over a network.
Title Web Media Extensions Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft web Media Extensions
Weaknesses CWE-122
CPEs cpe:2.3:a:microsoft:web_media_extensions:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft web Media Extensions
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-10-14T23:15:03.249Z

Reserved: 2026-08-26T18:40:19.856Z

Link: CVE-2026-81352

cve-icon Vulnrichment

Updated: 2026-09-09T09:52:52.804Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-08T18:20:52.940

Modified: 2026-09-30T17:57:51.983

Link: CVE-2026-81352

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-12T00:15:04Z

Weaknesses