MEDIUM · 5.3

CVE-2026-65777

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

Vulnerability Description

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

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
MicrosoftWindows 11 23H2< 10.0.22631.7517
MicrosoftWindows 11 24H2< 10.0.26100.9106
MicrosoftWindows 11 25H2<= 10.0.26200.9106
MicrosoftWindows 11 26H1< 10.0.28000.2704
MicrosoftWindows Server 2022< 10.0.20348.5440
MicrosoftWindows Server 2025< 10.0.26100.33222

Related Weaknesses (CWE)

References

FAQ

What is CVE-2026-65777?

CVE-2026-65777 is a vulnerability with a CVSS score of 5.3 (MEDIUM). Inadequate encryption strength in Windows Active Directory allows an authorized attacker to bypass a security feature over a network.

How severe is CVE-2026-65777?

CVE-2026-65777 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-65777?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows 11 26H1, Microsoft Windows Server 2022.