Dashboard / CVE-2026-50647

CVE-2026-50647

HIGH
MEDIUM Priority: 0.09 BB Relevance: 75/100
Published: 2026-07-14 Modified: 2026-10-28 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

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

Description

Loop with unreachable exit condition ('infinite loop') in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.

Weakness Classification (1)

Affected Software (82)

VendorProductVersion
Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 4.7.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0
Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 4.7.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0
Microsoft Microsoft .NET Framework 3.5 AND 4.8 4.8.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0
Microsoft Microsoft .NET Framework 3.5 AND 4.8 4.8.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0
Microsoft Microsoft .NET Framework 3.5 AND 4.8.1 4.8.1 < 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0
Microsoft Microsoft .NET Framework 3.5 AND 4.8.1 4.8.1 < 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0
Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.0 < 4.7.4143.0
Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.0 < 4.7.4143.0
Microsoft Microsoft .NET Framework 4.8 4.8.0 < 4.8.4803.0
Microsoft Microsoft .NET Framework 4.8 4.8.0 < 4.8.4803.0
Microsoft Microsoft .NET Framework 4.8.1 4.8.0.0 < 4.8.9340.0
Microsoft Microsoft .NET Framework 4.8.1 4.8.0.0 < 4.8.9340.0
Microsoft Windows 10 Version 1607 10.0.14393.0 < 10.0.14393.9339
Microsoft Windows 10 Version 1607 10.0.14393.0 < 10.0.14393.9339
Microsoft Windows 10 Version 1809 10.0.17763.0 < 10.0.17763.9020
Microsoft Windows 10 Version 1809 10.0.17763.0 < 10.0.17763.9020
Microsoft Windows 10 Version 21H2 10.0.19044.0 < 10.0.19044.7548
Microsoft Windows 10 Version 21H2 10.0.19044.0 < 10.0.19044.7548
Microsoft Windows 10 Version 22H2 10.0.19045.0 < 10.0.19045.7548
Microsoft Windows 10 Version 22H2 10.0.19045.0 < 10.0.19045.7548
Microsoft Windows 11 Version 24H2 10.0.26100.0 < 10.0.26100.8875
Microsoft Windows 11 Version 24H2 10.0.26100.0 < 10.0.26100.8875
Microsoft Windows 11 Version 25H2 10.0.26200.0 < 10.0.26200.8875
Microsoft Windows 11 Version 25H2 10.0.26200.0 < 10.0.26200.8875
Microsoft Windows 11 version 26H1 10.0.28000.0 < 10.0.28000.2525
Microsoft Windows 11 version 26H1 10.0.28000.0 < 10.0.28000.2525
Microsoft Windows Server 2012 6.2.9200.0 < 6.2.9200.26226
Microsoft Windows Server 2012 6.2.9200.0 < 6.2.9200.26226
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 < 6.2.9200.26226
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 < 6.2.9200.26226
Showing 30 of 82 entries

References & Advisories (1)

Bug Bounty Relevance

75 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

EPSS — Exploitation Probability

1.17%
Raw Score 0.011740
Percentile 67.4%
Date 2026-10-29

EPSS Trend

2026-10-29
0.01174
2026-10-28
0.01174

Intelligence Sources

mitre ref →

External Links