CVE-2026-103576

MEDIUM
MEDIUM Priority: 0.06 BB Relevance: 63/100
Published: 2026-10-13 Modified: 2026-10-29 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth Conf. Impact

CVSS Vector Breakdown

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

Description

Url redirection to untrusted site ('open redirect') in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.

Weakness Classification (1)

Affected Software (9)

VendorProductVersion
Microsoft Windows 10 Version 1607 10.0.14393.0 < 10.0.14393.9612
microsoft windows_10_1607 < 10.0.14393.9612
microsoft windows_10_1607 < 10.0.14393.9612
microsoft windows_10_1809 < 10.0.17763.9376
microsoft windows_10_1809 < 10.0.17763.9376
microsoft windows_server_2016 < 10.0.14393.9612
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

63 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

6.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.86%
Raw Score 0.008560
Percentile 58.3%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00856
2026-10-28
0.00856

Intelligence Sources

mitre ref →
nvd ref →