SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-65777

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

MEDIUM 5.3EPSS 0.29%

Does this matter?

Lower severity and a low EPSS score (0.29%). Track it; it rarely justifies an emergency change on its own.

Description

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

CVSS 3.1
5.3 MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
EPSS
0.29% probability · 21th percentile
CISA KEV
Not listed
Weakness
CWE-326
Affected
microsoft/windows 11 23h2 · microsoft/windows 11 24h2 · microsoft/windows 11 25h2 · microsoft/windows 11 26h1 · microsoft/windows server 2022 · microsoft/windows server 2025
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.