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PatchSiren cyber security CVE debrief

CVE-2026-50475 Microsoft CVE debrief

A buffer over-read vulnerability exists in the Windows Kernel, which could allow an authorized attacker to disclose information locally. The vulnerability has a CVSS score of 5.5 and a severity of MEDIUM. This issue affects Windows systems, and administrators should be aware of its existence and take necessary precautions to mitigate its effects. The vulnerability is caused by a buffer over-read in the Windows Kernel, and an authorized attacker could exploit this vulnerability to disclose information locally.

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 mitigate its effects. This vulnerability could allow an authorized attacker to disclose information locally, and its CVSS score is 5.5 with a severity of MEDIUM.

Technical summary

The vulnerability is caused by a buffer over-read in the Windows Kernel. An authorized attacker could 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 vulnerability affects Windows systems, and its CVSS score is 5.5 with a severity of MEDIUM. Evidence is limited; defenders should verify affected scope and vendor guidance, review system logs for potential exploitation attempts, and ensure patches or updates are applied according to vendor instructions.

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 the attack surface
  • Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record was published on 2026-07-14T18:17:53.190Z and was last modified on 2026-07-16T15:16:32.303Z. The NVD entry is currently Undergoing Analysis. This vulnerability affects Windows systems, and its CVSS score is 5.5 with a severity of MEDIUM. The buffer over-read vulnerability in the Windows Kernel could allow an authorized attacker to disclose information locally. Evidence is limited, and defenders should verify affected scope and vendor guidance.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-14T18:17:53.190Z and has not been modified since then. The NVD entry is currently Undergoing Analysis.