CVE-2026-65777 - Vulnerability Details - OpenCVE

Inadequate encryption strength in Windows Active Directory allows an authorized attacker to bypass a security feature over a network.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Vendors	Products
Microsoft	Windows 11 23h2 Windows 11 24h2 Windows 11 25h2 Windows 11 26h1 Windows Server 2022 Windows Server 2025

No data.

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References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65777

History

Tue, 11 Aug 2026 17:15:00 +0000

Type	Values Removed	Values Added
Description		Inadequate encryption strength in Windows Active Directory allows an authorized attacker to bypass a security feature over a network.
Title		Active Directory Security Feature Bypass Vulnerability
First Time appeared		Microsoft Microsoft windows 11 23h2 Microsoft windows 11 24h2 Microsoft windows 11 25h2 Microsoft windows 11 26h1 Microsoft windows Server 2022 Microsoft windows Server 2025
Weaknesses		CWE-326
CPEs		cpe:2.3:o:microsoft:windows_11_23H2:::::::arm64:* cpe:2.3:o:microsoft:windows_11_23H2:::::::x64:* cpe:2.3:o:microsoft:windows_11_24H2:::::::arm64:* cpe:2.3:o:microsoft:windows_11_25H2:::::::arm64:* cpe:2.3:o:microsoft:windows_11_26H1:::::::x64:* cpe:2.3:o:microsoft:windows_server_2022:::::::: cpe:2.3:o:microsoft:windows_server_2025::::::::
Vendors & Products		Microsoft Microsoft windows 11 23h2 Microsoft windows 11 24h2 Microsoft windows 11 25h2 Microsoft windows 11 26h1 Microsoft windows Server 2022 Microsoft windows Server 2025
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65777
Metrics		cvssV3_1 `{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-08-11T17:06:52.680Z

Updated: 2026-08-11T18:51:55.062Z

Reserved: 2026-07-22T21:30:09.119Z

Link: CVE-2026-65777

Vulnrichment

No data.

NVD

Status : Awaiting Analysis

Published: 2026-08-11T17:18:57.050

Modified: 2026-08-11T18:53:42.910

Link: CVE-2026-65777

Redhat

No data.

OpenCVE Enrichment

No data.

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