PatchSiren cyber security CVE debrief

CVE-2026-50341 Microsoft CVE debrief

A buffer over-read vulnerability exists in Windows NTFS, allowing an authorized attacker to disclose information locally. The vulnerability has a CVSS score of 5.5 and a severity of MEDIUM. This issue is caused by improper handling of file system data, potentially allowing attackers with local access to read sensitive information from the system. Administrators should be aware of this vulnerability and take necessary precautions to prevent exploitation. The CVE record was published on 2026-07-14T18:17:33.740Z and was last modified on 2026-07-16T16:19:11.693Z.

Vendor: Microsoft
Product: Windows 10 Version 1607
CVSS: MEDIUM 5.5
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-07-14
Original CVE updated: 2026-07-16
Advisory published: 2026-07-14
Advisory updated: 2026-07-16

Who should care

Administrators and users of Windows systems should be aware of this vulnerability and take necessary precautions to prevent exploitation. This includes reviewing system configurations, applying patches or updates provided by the vendor, and monitoring system logs for suspicious activity. Additionally, security teams should prioritize patching and verifying compensating controls for exposed systems.

Technical summary

The vulnerability is caused by a buffer over-read in the Windows NTFS component. An authorized attacker can exploit this vulnerability to disclose information locally. The CVSS vector for this vulnerability is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. This issue is related to improper handling of file system data.

Defensive priority

Medium priority

Recommended defensive actions

Apply patches or updates provided by the vendor
Monitor system logs for suspicious activity
Implement compensating controls to limit access to sensitive data
Review system configurations to ensure secure settings
Verify compensating controls for exposed systems

Evidence notes

The CVE record was published on 2026-07-14T18:17:33.740Z and was last modified on 2026-07-16T16:19:11.693Z. The NVD entry is currently Awaiting Analysis. The vulnerability has a CVSS score of 5.5 and a severity of MEDIUM. The CVE record was sourced from nvd_modified.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-14T18:17:33.740Z and has not been modified since then. The NVD entry is currently Awaiting Analysis.