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CVE-2026-69482 Microsoft CVE debrief

CVE-2026-69482 is a high-severity vulnerability in Windows Error Reporting that allows an authorized attacker to perform tampering locally. The vulnerability has a CVSS score of 7.1 and is classified as CWE-379. Microsoft has released a patch for this vulnerability. System administrators and security teams should apply patches immediately, review system configurations, and monitor system logs. The vulnerability is caused by the creation of temporary files in directories with insecure permissions in Windows Error Reporting.

Vendor
Microsoft
Product
Windows 10 Version 1607
CVSS
HIGH 7.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-08
Original CVE updated
2026-09-28
Advisory published
2026-09-08
Advisory updated
2026-09-28

Who should care

System administrators and security teams responsible for Windows systems, especially those with high-risk exposure, should apply patches immediately, review system configurations, and monitor system logs for suspicious activity related to Windows Error Reporting. This includes verifying patch deployment, assessing system configurations to ensure secure permissions for temporary files, and monitoring system logs for

Why it matters

CVE-2026-69482 is a high-severity vulnerability in Windows Error Reporting that allows an authorized attacker to perform tampering locally. System administrators and security teams should apply patches immediately, review system configurations, and monitor system logs.

  • Verify patch deployment to prevent tampering
  • Assess system configurations to ensure secure permissions for temporary files
  • Monitor system logs for suspicious activity related to Windows Error Reporting

Technical summary

The vulnerability is caused by the creation of temporary files in directories with insecure permissions in Windows Error Reporting. This allows an authorized attacker to perform tampering locally. The vulnerability has a CVSS score of 7.1 and is classified as CWE-379.

Defensive priority

Apply patches immediately, especially for systems with high-risk exposure

Recommended defensive actions

  • Apply patches immediately, especially for systems with high-risk exposure
  • Review system configurations to ensure secure permissions for temporary files
  • Monitor system logs for suspicious activity related to Windows Error Reporting

Evidence notes

The vulnerability is caused by the creation of temporary files in directories with insecure permissions in Windows Error Reporting. This allows an authorized attacker to perform tampering locally.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-69482 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-69482

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

  • CVE-2026-69482 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-69482

    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.