CVE-2026-70005

MEDIUM
MEDIUM Priority: 0.04 BB Relevance: 62/100
Published: 2026-10-13 Modified: 2026-10-29 First seen: 2026-10-29 Status: active

Attack Surface

Network No Auth No Interaction Integ. Impact

CVSS Vector Breakdown

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

Description

Weak authentication in Active Directory Federation Services (AD FS) allows an unauthorized attacker to bypass a security feature over a network.

Weakness Classification (1)

Affected Software (4)

VendorProductVersion
Microsoft Windows Server 2019 10.0.17763.0 < 10.0.17763.9376
microsoft windows_server_2019 < 10.0.17763.9376
microsoft windows_server_2022 < 10.0.20348.5761
microsoft windows_server_2025 < 10.0.26100.33650

References & Advisories (1)

Bug Bounty Relevance

62 / 100
✓ Network accessible
✓ No authentication
✓ No user interaction

CVSS Score

5.9 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.63%
Raw Score 0.006280
Percentile 50.0%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00628
2026-10-28
0.00642

Intelligence Sources

mitre ref →
nvd ref →