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CVE-2026-62817 Details

Description

Out-of-bounds write in Windows DNS allows an unauthorized attacker to execute code over an adjacent network.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62817	[email protected]	PatchVendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	[email protected]

Affected Products

Product	Versions
microsoft windows 10 1809	< 10.0.17763.9121
CPE cpe:2.3:o:microsoft:windows_10_1809:::::::x64:* cpe:2.3:o:microsoft:windows_10_1809:::::::x86:* Remediation No remediation found in references.
microsoft windows 10 21h2	< 10.0.19044.7663
CPE cpe:2.3:o:microsoft:windows_10_21h2:::::::arm64:* cpe:2.3:o:microsoft:windows_10_21h2:::::::x64:* cpe:2.3:o:microsoft:windows_10_21h2:::::::x86:* Remediation No remediation found in references.
microsoft windows 10 22h2	< 10.0.19045.7663
CPE cpe:2.3:o:microsoft:windows_10_22h2:::::::arm64:* cpe:2.3:o:microsoft:windows_10_22h2:::::::x64:* cpe:2.3:o:microsoft:windows_10_22h2:::::::x86:* Remediation No remediation found in references.
microsoft windows 11 23h2	< 10.0.22631.7517
CPE cpe:2.3:o:microsoft:windows_11_23h2:::::::arm64:* cpe:2.3:o:microsoft:windows_11_23h2:::::::x64:* Remediation No remediation found in references.
microsoft windows 11 24h2	< 10.0.26100.9106
CPE cpe:2.3:o:microsoft:windows_11_24h2:::::::arm64:* cpe:2.3:o:microsoft:windows_11_24h2:::::::x64:* Remediation No remediation found in references.
microsoft windows 11 25h2	< 10.0.26200.9106
CPE cpe:2.3:o:microsoft:windows_11_25h2:::::::arm64:* cpe:2.3:o:microsoft:windows_11_25h2:::::::x64:* Remediation No remediation found in references.
microsoft windows 11 26h1	< 10.0.28000.2704
CPE cpe:2.3:o:microsoft:windows_11_26h1:::::::arm64:* cpe:2.3:o:microsoft:windows_11_26h1:::::::x64:* Remediation No remediation found in references.
microsoft windows server 2019	< 10.0.17763.9121
CPE cpe:2.3:o:microsoft:windows_server_2019:::::::: Remediation No remediation found in references.
microsoft windows server 2022	< 10.0.20348.5440
CPE cpe:2.3:o:microsoft:windows_server_2022:::::::: Remediation No remediation found in references.
microsoft windows server 2025	< 10.0.26100.33222
CPE cpe:2.3:o:microsoft:windows_server_2025:::::::: Remediation No remediation found in references.

Change History

6 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 11, 2026	CVE Modified	CISA-ADP
Aug 11, 2026	New CVE Received	[email protected]

CVE-2026-62817 Details

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Affected Products

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

Change History

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