PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-50681 Microsoft CVE debrief

CVE-2026-50681 is a MEDIUM severity vulnerability with a CVSS score of 5.5, affecting Windows Cryptographic Services. An authorized attacker can exploit this vulnerability to disclose information locally. The vulnerability is caused by exposure of sensitive information to an unauthorized actor in Windows Cryptographic Services. This allows an authorized attacker 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. System administrators and security teams responsible for Windows Cryptographic Services should be aware of this vulnerability and take necessary actions to mitigate it.

Vendor
Microsoft
Product
Windows Cryptographic Services
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 supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Technical summary

The vulnerability is caused by exposure of sensitive information to an unauthorized actor in Windows Cryptographic Services. This allows an authorized attacker 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. The vulnerability affects Windows Cryptographic Services and has a CVSS score of 5.5.

Defensive priority

Medium priority should be given to patching this vulnerability, as it can lead to local information disclosure.

Recommended defensive actions

  • Apply the patch provided by Microsoft
  • Review and update access controls for Windows Cryptographic Services
  • 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 2026-07-14T18:18:02.647Z and was last modified on 2026-07-22T15:53:55.270Z. The NVD entry is currently Analyzed. This information is based on the NVD entry and the CVE record. The vulnerability affects Windows Cryptographic Services and has a CVSS score of 5.5. The vulnerability allows an authorized attacker to disclose information locally. The CVE record and NVD entry provide further details.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-50681 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-50681

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

  • CVE-2026-50681 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-50681

    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.