6.6

CVE-2026-61920

Medienbericht

Windows DNS Server Remote Code Execution Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DNS allows an authorized attacker to execute code over a network.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Windows 10 1607 HwPlatformx64 Version < 10.0.14393.9418
Microsoft ≫ Windows 10 1607 HwPlatformx86 Version < 10.0.14393.9418
Microsoft ≫ Windows 10 1809 HwPlatformx64 Version < 10.0.17763.9121
Microsoft ≫ Windows 10 1809 HwPlatformx86 Version < 10.0.17763.9121
Microsoft ≫ Windows 11 26h1 HwPlatformarm64 Version < 10.0.28000.2704
Microsoft ≫ Windows 11 26h1 HwPlatformx64 Version < 10.0.28000.2704
Microsoft ≫ Windows Server 2016 Version < 10.0.14393.9418
Microsoft ≫ Windows Server 2019 Version < 10.0.17763.9121
Microsoft ≫ Windows Server 2022 Version < 10.0.20348.5440
Microsoft ≫ Windows Server 2025 Version < 10.0.26100.33222
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.48% 0.396
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Microsoft 6.6 0.7 5.9
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

CWE-416 Use After Free

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

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VulnDex Intel
Media Report
11.08.2026 20:25
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-61920
Patch
Vendor Advisory