CVE-2026-62787: Windows DNS Server Remote Code Execution Vulnerability
Use after free in Windows DNS allows an authorized attacker to execute code over a network.
Other sources
Windows DNS Server Remote Code Execution Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.14393.9418Patch KB5120418 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33296Fixed in 10.0.26100.33222Patch KB5120228 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5499Fixed in 10.0.20348.5440Patch KB5120229 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9115Patch KB5120238 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.3.9600.23338Patch KB5120385 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.2.9200.26280Patch KB5120386
Event History
Frequently Asked Questions
What is the severity of CVE-2026-62787?
CVE-2026-62787 has a high severity rating of 7.5.
How do I fix CVE-2026-62787?
To fix CVE-2026-62787, you should apply the latest security updates provided by Microsoft for affected Windows operating systems.
What types of software are affected by CVE-2026-62787?
CVE-2026-62787 affects multiple versions of Microsoft Windows, including Windows 10 and several Windows Server editions.
What is the risk associated with CVE-2026-62787?
CVE-2026-62787 poses a risk as it allows an authorized attacker to execute arbitrary code remotely.
What type of vulnerability is CVE-2026-62787 classified as?
CVE-2026-62787 is classified as a 'Use After Free' vulnerability.