CVE-2026-65777

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 51/100
Published: 2026-08-11 Modified: 2026-10-28 First seen: 2026-10-29 Status: active

Attack Surface

Network No Interaction Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: High
PR: Low
UI: None
S: Unchanged
C: None
I: High
A: None

Description

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

Affected Software (26)

VendorProductVersion
Microsoft Windows 11 Version 23H2 10.0.22631.0 < 10.0.22631.7517
Microsoft Windows 11 Version 23H2 10.0.22631.0 < 10.0.22631.7517
Microsoft Windows 11 Version 24H2 10.0.26100.0 < 10.0.26100.9168
Microsoft Windows 11 Version 24H2 10.0.26100.0 < 10.0.26100.9168
Microsoft Windows 11 Version 25H2 10.0.26200.0 < 10.0.26200.9168
Microsoft Windows 11 Version 25H2 10.0.26200.0 < 10.0.26200.9168
Microsoft Windows 11 version 23H2 10.0.22631.0 < 10.0.22631.7517
Microsoft Windows 11 version 23H2 10.0.22631.0 < 10.0.22631.7517
Microsoft Windows 11 version 26H1 10.0.28000.0 < 10.0.28000.2704
Microsoft Windows 11 version 26H1 10.0.28000.0 < 10.0.28000.2704
Microsoft Windows Server 2022 10.0.20348.0 < 10.0.20348.5499
Microsoft Windows Server 2022 10.0.20348.0 < 10.0.20348.5499
Microsoft Windows Server 2025 10.0.26100.0 < 10.0.26100.33296
Microsoft Windows Server 2025 10.0.26100.0 < 10.0.26100.33296
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 < 10.0.26100.33296
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 < 10.0.26100.33296
microsoft windows_11_23h2 < 10.0.22631.7517
microsoft windows_11_23h2 < 10.0.22631.7517
microsoft windows_11_24h2 < 10.0.26100.9106
microsoft windows_11_24h2 < 10.0.26100.9106
microsoft windows_11_25h2 < 10.0.26200.9106
microsoft windows_11_25h2 < 10.0.26200.9106
microsoft windows_11_26h1 < 10.0.28000.2704
microsoft windows_11_26h1 < 10.0.28000.2704
microsoft windows_server_2022 < 10.0.20348.5440
microsoft windows_server_2025 < 10.0.26100.33222

References & Advisories (1)

Bug Bounty Relevance

51 / 100
✓ Network accessible
✓ No user interaction

CVSS Score

5.3 / 10.0 v3.1
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

EPSS — Exploitation Probability

0.36%
Raw Score 0.003600
Percentile 29.7%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00360
2026-10-28
0.00360

Intelligence Sources

mitre ref →