PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-50470 Microsoft CVE debrief

CVE-2026-50470 is an out-of-bounds read vulnerability in Windows Network Policy Server SNMP. This vulnerability allows an unauthorized attacker to disclose information over a network. The vulnerability has a CVSS score of 7.5 and a severity of HIGH. It affects various versions of Windows 10, Windows 11, and Windows Server. System administrators and security professionals should review the CVE and NVD entries for further details and apply necessary mitigations.

Vendor
Microsoft
Product
Windows 10 Version 1607
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-14
Original CVE updated
2026-07-21
Advisory published
2026-07-14
Advisory updated
2026-07-21

Who should care

System administrators and security professionals responsible for Windows Network Policy Server SNMP systems should be aware of this vulnerability and take necessary actions to mitigate it. This includes reviewing system configurations, applying patches, and monitoring for potential exploitation attempts.

Technical summary

The vulnerability, CVE-2026-50470, is an out-of-bounds read issue in Windows Network Policy Server SNMP. This allows an unauthorized attacker to disclose information over a network. It has a CVSS score of 7.5 and a severity of HIGH. The vulnerability affects various versions of Windows 10, Windows 11, and Windows Server. To mitigate, system administrators and security professionals should review system configurations, apply patches, and monitor for potential exploitation attempts. The CVE and NVD entries provide further details. Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up. Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed. Review compensating controls for exposed systems while remediation is scheduled and verified. Check relevant monitoring, detection, and logs for exposed assets that need extra review.

Defensive priority

High

Recommended defensive actions

  • Apply the patch provided by Microsoft
  • Review and update Windows Network Policy Server SNMP configurations
  • Monitor system logs for potential exploitation attempts
  • Implement additional security measures to prevent unauthorized access
  • Review compensating controls for exposed systems while remediation is scheduled and verified

Evidence notes

The CVE record was published on 2026-07-14T18:17:52.500Z and last modified on 2026-07-21T03:36:57.867Z. The NVD entry is currently Analyzed. The vulnerability has been confirmed in various versions of Windows 10, Windows 11, and Windows Server. However, specific details about the affected configurations and potential mitigations are limited in the current CVE and NVD entries.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-14T18:17:52.500Z and has not been modified since then. The NVD entry is currently Analyzed.