Aug 2026: Windows DNS Elevation of Privilege Vulnerability
CVE-2026-62778 Published on August 11, 2026
Windows DNS Elevation of Privilege Vulnerability
Use after free in Windows DNS allows an unauthorized attacker to elevate privileges over a network.
Weakness Types
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2026-62778 has been classified to as a Dangling pointer vulnerability or weakness.
What is a Race Condition Vulnerability?
The program contains a code sequence that can run concurrently with other code, and the code sequence 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 that is operating concurrently.
CVE-2026-62778 has been classified to as a Race Condition vulnerability or weakness.
Products Associated with CVE-2026-62778
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Affected Versions
Microsoft Windows 10 Version 1607:- Version 10.0.14393.0 and below 10.0.14393.9418 is affected.
- Version 10.0.17763.0 and below 10.0.17763.9115 is affected.
- Version 6.2.9200.0 and below 6.2.9200.26279 is affected.
- Version 6.2.9200.0 and below 6.2.9200.26279 is affected.
- Version 6.3.9600.0 and below 6.3.9600.23337 is affected.
- Version 6.3.9600.0 and below 6.3.9600.23337 is affected.
- Version 10.0.14393.0 and below 10.0.14393.9418 is affected.
- Version 10.0.14393.0 and below 10.0.14393.9418 is affected.
- Version 10.0.17763.0 and below 10.0.17763.9115 is affected.
- Version 10.0.17763.0 and below 10.0.17763.9115 is affected.
- Version 10.0.20348.0 and below 10.0.20348.5499 is affected.
- Version 10.0.26100.0 and below 10.0.26100.33296 is affected.
- Version 10.0.26100.0 and below 10.0.26100.33296 is affected.