EUVD-2026-44075
GHSA-h97r-f9mr-hrm6
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Local-only exploit requiring low-privilege session (AV:L, PR:L); no integrity or availability impact confirmed; high confidentiality loss aligns with CWE-200 disclosure.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
2DescriptionCVE.org
Exposure of sensitive information to an unauthorized actor in Windows Media allows an authorized attacker to disclose information locally.
AnalysisAI
Windows Media in Microsoft Windows exposes sensitive information to locally authenticated standard users, allowing disclosure of data the attacker is not authorized to access. Affected platforms span Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 R2 through Server 2025, representing a very broad installed base. No public exploit code has been identified and EPSS at 0.36% (28th percentile) reflects low opportunistic interest, though the local-access requirement is a weaker barrier in shared-access environments such as Remote Desktop Services or VDI deployments.
Technical ContextAI
Windows Media is a multimedia framework component bundled by default across all major Microsoft Windows client and server SKUs. The root cause is CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor), indicating the component fails to enforce proper access boundaries around sensitive data - which may include in-memory content, file system paths, authentication material, or handle values accessible during media processing. The CVSS vector AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N confirms the flaw is exploitable locally with standard user rights, low attack complexity (no race conditions or special environment setup required), and produces high confidentiality impact without integrity or availability loss. The unchanged scope (S:U) means the vulnerability does not grant escape to other security contexts. CPE data confirms affected products span cpe:2.3:a:microsoft:windows_10_version_1607 through cpe:2.3:a:microsoft:windows_server_2016 and beyond per EUVD-2026-44075 version ranges.
RemediationAI
Apply the Microsoft-released cumulative update for your Windows version targeting the minimum fixed builds documented in EUVD-2026-44075: Windows 11 26H1 to 10.0.28000.2269 or later, Windows 11 24H2 and Server 2025 to 10.0.26100.8875 or 10.0.26100.33158 respectively, Windows 11 25H2 to 10.0.26200.8875 or later, Server 2022 to 10.0.20348.5386 or later, Windows 10 and Server 2019 1809 to 10.0.17763.9020 or later, Windows 10 21H2 to 10.0.19044.7548 or later, Windows 10 22H2 to 10.0.19045.7548 or later, Windows 10 and Server 2016 1607 to 10.0.14393.9339 or later, and Server 2012 R2 to 6.3.9600.23291 or later. Consult the MSRC advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50394 for exact KB article numbers. As a compensating control where patching is temporarily infeasible, restrict local interactive logon rights on sensitive systems via Group Policy (User Rights Assignment: Deny log on locally / Deny log on through Remote Desktop Services) to limit the pool of accounts that can satisfy the PR:L requirement; note this will impact legitimate administrative and user workflows and should be scoped carefully.
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Same weakness CWE-200 – Information Exposure
View allSame technique Information Disclosure
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External POC / Exploit Code
Leaving vuln.today