CVE-2026-97788

HIGH
MEDIUM Priority: 0.07 BB Relevance: 75/100
Published: 2026-10-13 Modified: 2026-10-29 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact

CVSS Vector Breakdown

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

Description

Observable discrepancy in Active Directory Federation Services (AD FS) allows an unauthorized attacker to disclose information over a network.

Affected Software (131)

VendorProductVersion
Microsoft Microsoft .NET Framework 3.5 3.5.0 < 2.0.50727.9188 AND 3.0.30729.9171
Microsoft Microsoft .NET Framework 3.5 3.5.0 < 2.0.50727.9188 AND 3.0.30729.9171
Microsoft Microsoft .NET Framework 3.5 3.5.0 < 2.0.50727.9188 AND 3.0.30729.9171
Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 3.0.0.0 < 2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0
Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 3.0.0.0 < 2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0
Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 3.0.0.0 < 2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0
Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 4.7.0 < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0
Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 4.7.0 < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0
Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 4.7.0 < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0
Microsoft Microsoft .NET Framework 3.5 AND 4.8 4.8.0 < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0
Microsoft Microsoft .NET Framework 3.5 AND 4.8 4.8.0 < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0
Microsoft Microsoft .NET Framework 3.5 AND 4.8 4.8.0 < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0
Microsoft Microsoft .NET Framework 3.5 AND 4.8.1 4.8.1 < 2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0
Microsoft Microsoft .NET Framework 3.5 AND 4.8.1 4.8.1 < 2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0
Microsoft Microsoft .NET Framework 3.5 AND 4.8.1 4.8.1 < 2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0
Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.0 < 4.7.4150.0
Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.0 < 4.7.4150.0
Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.0 < 4.7.4150.0
Microsoft Microsoft .NET Framework 4.8 4.8.0 < 4.8.4811.0
Microsoft Microsoft .NET Framework 4.8 4.8.0 < 4.8.4811.0
Microsoft Microsoft .NET Framework 4.8 4.8.0 < 4.8.4811.0
Microsoft Microsoft .NET Framework 4.8.1 4.8.0.0 < 4.8.9363.0
Microsoft Microsoft .NET Framework 4.8.1 4.8.0.0 < 4.8.9363.0
Microsoft Microsoft .NET Framework 4.8.1 4.8.0.0 < 4.8.9363.0
Microsoft Windows 10 Version 1607 10.0.14393.0 < 10.0.14393.9612
Microsoft Windows 10 Version 1607 10.0.14393.0 < 10.0.14393.9612
Microsoft Windows 10 Version 1607 10.0.14393.0 < 10.0.14393.9612
Microsoft Windows 10 Version 1809 10.0.17763.0 < 10.0.17763.9376
Microsoft Windows 10 Version 1809 10.0.17763.0 < 10.0.17763.9376
Microsoft Windows 10 Version 1809 10.0.17763.0 < 10.0.17763.9376
Showing 30 of 131 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:H/I:N/A:N/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.88%
Raw Score 0.008760
Percentile 58.9%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00876
2026-10-28
0.00876

Intelligence Sources

mitre ref →