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CVE-2026-61920 Details
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DNS allows an authorized attacker to execute code over a network.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Aug 12, 2026Exploitation: NoneAutomatable: NoTechnical Impact: Total
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-61920 | [email protected] | PatchVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-362 | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | [email protected] |
| CWE-416 | Use After Free | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft windows 10 1607 | < 10.0.14393.9418 |
CPE
Remediation
| |
| microsoft windows 10 1809 | < 10.0.17763.9121 |
CPE
Remediation
| |
| microsoft windows 11 26h1 | < 10.0.28000.2704 |
CPE
Remediation
| |
| microsoft windows server 2012 | r2 |
CPE
Remediation
| |
| microsoft windows server 2016 | < 10.0.14393.9418 |
CPE
Remediation
| |
| microsoft windows server 2019 | < 10.0.17763.9121 |
CPE
Remediation
| |
| microsoft windows server 2022 | < 10.0.20348.5440 |
CPE
Remediation
| |
| microsoft windows server 2025 | < 10.0.26100.33222 |
CPE
Remediation
| |
Change History
7 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 2, 2026 | CVE Modified | [email protected] |
| Aug 17, 2026 | Initial Analysis | [email protected] |
| Aug 16, 2026 | CVE Modified | [email protected] |
| Aug 12, 2026 | CVE Modified | CISA-ADP |
| Aug 12, 2026 | CVE Modified | CISA-ADP |
| Aug 11, 2026 | CVE Modified | [email protected] |
| Aug 11, 2026 | New CVE Received | [email protected] |