EUVD-2026-73165
GHSA-rg94-r67x-6vxg
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Network delivery of malicious media with no required privileges, but user must open the file (UI:R); successful exploitation yields full system compromise (C:H/I:H/A:H).
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Out-of-bounds read in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
AnalysisAI
Stack-based buffer overflow (CWE-121) in Windows Media Foundation enables remote code execution across a broad range of Microsoft Windows versions, from Windows 10/Server 2012 through Windows 11/Server 2025. The CVSS vector (AV:N/AC:L/PR:N/UI:R) indicates network-delivered exploitation requiring user interaction, consistent with a malicious media file scenario where a victim opens or previews attacker-controlled content. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | User interaction is required: the victim must open or trigger rendering of a malicious media file on an unpatched Windows system. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The 8.8 CVSS score reflects a high-severity, network-reachable flaw with full C/I/A impact, tempered only by the UI:R requirement. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | The primary fix is to apply the Microsoft security updates released for this vulnerability, available through Windows Update, WSUS, and the Microsoft Update Catalog. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify and inventory all deployed Windows 10, Server 2012, Server 2016, Server 2019, Server 2022, Windows 11, and Server 2025 systems in scope, documenting exposure to untrusted media content. …
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Same weakness CWE-121 – Stack-based Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
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