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PatchSiren cyber security CVE debrief

CVE-2026-61358 Microsoft CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-11T17:18:10.597Z and has not been modified since then. The NVD entry is currently Analyzed. This vulnerability, CVE-2026-61358, is caused by improper link resolution before file access in Windows Accessibility Infrastructure (ATBroker.exe), allowing an authorized attacker to elevate privileges locally. The vulnerability has a CVSS score of 7.8 and is classified as HIGH severity. It affects multiple versions of Windows 10, Windows 11, and Windows Server. Microsoft has released a patch and vendor advisory for mitigation. System administrators and security teams responsible for Windows 10, Windows 11, and Windows Server systems should be aware of this vulnerability and take immediate action to apply the patch and review system configurations. The CVE-2026-61358 record indicates a HIGH severity vulnerability with a CVSS score of 7.8. It affects various versions of Windows 10, Windows 11, and Windows Server. Microsoft has provided a patch and vendor advisory for mitigation.

Vendor
Microsoft
Product
Windows 10 Version 1809
CVSS
HIGH 7.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-11
Original CVE updated
2026-08-16
Advisory published
2026-08-11
Advisory updated
2026-08-16

Who should care

System administrators and security teams responsible for Windows 10, Windows 11, and Windows Server systems should be aware of this vulnerability and take immediate action to apply the patch and review system configurations.

Technical summary

The vulnerability, CVE-2026-61358, is caused by improper link resolution before file access in Windows Accessibility Infrastructure (ATBroker.exe). This allows an authorized attacker to elevate privileges locally. The vulnerability has a CVSS score of 7.8 and is classified as HIGH severity. It affects multiple versions of Windows 10, Windows 11, and Windows Server. Microsoft has released a patch and vendor advisory for mitigation.

Defensive priority

This vulnerability allows an authorized attacker to elevate privileges locally through improper link resolution before file access in Windows Accessibility Infrastructure (ATBroker.exe).

Recommended defensive actions

  • Apply the patch provided by Microsoft
  • Review and implement compensating controls for affected systems
  • Monitor for and respond to potential exploitation attempts
  • Verify and ensure proper configuration of Windows Accessibility Infrastructure

Evidence notes

The CVE-2026-61358 record indicates a HIGH severity vulnerability with a CVSS score of 7.8. It affects various versions of Windows 10, Windows 11, and Windows Server. Microsoft has provided a patch and vendor advisory for mitigation.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-61358 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-61358

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

  • CVE-2026-61358 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-61358

    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.