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CVE-2026-69338 Microsoft CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-09-08T17:11:05.151Z and has not been modified since then. The Remote Desktop Gateway Service Elevation of Privilege Vulnerability, tracked as CVE-2026-69338, is a high-severity vulnerability affecting multiple Windows versions. This vulnerability allows an authorized attacker to elevate privileges over a network due to a use-after-free issue. Defenders responsible for Windows systems, particularly those using Remote Desktop Gateway Service, should assess exposure and apply patches. The CVE Program and NIST NVD have official records with source-provided CVE metadata and detailed

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
2026-10-08
Advisory published
2026-09-08
Advisory updated
2026-10-08

Who should care

Defenders responsible for Windows systems, particularly those using Remote Desktop Gateway Service, should assess exposure and apply patches.

Why it matters

CVE-2026-69338 is a high-severity elevation of privilege vulnerability in Remote Desktop Gateway Service affecting multiple Windows versions. Defenders should prioritize verifying exposure and applying patches.

  • Verify exposure and apply patches for affected Windows versions to prevent potential privilege elevation
  • Monitor Remote Desktop Gateway Service for suspicious activity to detect potential attacks
  • Review incident response plans to address potential privilege elevation attacks
  • Update vulnerability management processes to include checks for this vulnerability

Technical summary

The Remote Desktop Gateway Service Elevation of Privilege Vulnerability allows an authorized attacker to elevate privileges over a network due to a use-after-free issue. This vulnerability affects multiple Windows versions and has a high-severity CVSS score of 7.1. The vulnerability is caused by a use-after-free issue in the Remote Desktop Gateway Service, which allows an attacker to exploit the vulnerability and elevate privileges. Defenders should prioritize verifying exposure and applying patches for Remote Desktop Gateway Service on affected Windows versions.

Defensive priority

Defenders should prioritize verifying exposure and applying patches for Remote Desktop Gateway Service on affected Windows versions.

Recommended defensive actions

  • Verify exposure of Remote Desktop Gateway Service on affected Windows versions
  • Apply patches from Microsoft for affected versions
  • Monitor Remote Desktop Gateway Service for suspicious activity
  • Review and update incident response plans for potential privilege elevation attacks

Evidence notes

The CVE record and source item provide details on the Remote Desktop Gateway Service Elevation of Privilege Vulnerability, but do not offer specific information on exploitation or impact.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-69338 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-69338

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

  • CVE-2026-69338 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-69338

    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.