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PatchSiren cyber security CVE debrief

CVE-2026-50352 Microsoft CVE debrief

CVE-2026-50352 is a MEDIUM severity vulnerability in Windows Cryptographic Services that allows an authorized attacker to disclose information locally. The vulnerability has a CVSS score of 5.5 and was published on 2026-07-14T18:17:35.090Z. The vulnerability class is related to the exposure of sensitive information to an unauthorized actor. The likely operational impact includes local information disclosure. However, the source corpus does not provide specific details about the affected product deployments or the exact operational impact.

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
2026-07-22
Advisory published
2026-07-14
Advisory updated
2026-07-22

Who should care

System administrators and security teams responsible for Windows Cryptographic Services should be aware of this vulnerability and take necessary actions to mitigate it. They should review the vulnerability details, assess the potential impact on their systems, and plan for the application of patches or mitigations as necessary.

Technical summary

The vulnerability is caused by exposure of sensitive information to an unauthorized actor in Windows Cryptographic Services. An authorized attacker can exploit this vulnerability to disclose information locally. The vulnerability affects multiple versions of Windows, including Windows 10, Windows 11, and Windows Server. However, specific technical details about the vulnerability and the affected systems are limited.

Defensive priority

Medium priority should be given to patching this vulnerability, as it allows for local information disclosure and could potentially be used by attackers to gain unauthorized access to sensitive information.

Recommended defensive actions

  • Apply the patch provided by Microsoft
  • Review and update system configurations to ensure proper security controls are in place
  • Monitor system logs for potential exploitation attempts
  • 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

Evidence notes

The CVE record was published on 2026-07-14T18:17:35.090Z and has not been modified since. The NVD entry is currently Analyzed. The vulnerability affects multiple versions of Windows, including Windows 10, Windows 11, and Windows Server. However, specific details about the versions and the exact nature of the vulnerability are limited in the provided source corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-50352 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-50352

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-50352 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-50352

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.