Name: CVE-2026-97788: Observable Discrepancy
Creator: Rapid7
Published: 2026-10-13T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-97788, CWE-203, CVSS 7.5, EPSS 0.00693

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

CVSS Details

CVSS 3.1 Base Score: 7.5
CVSS 3.1 Vector: (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)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Microsoft Dot_net_framework	—	Apply update KB5127683 for Microsoft .NET Framework 3.5\4.8Apply update KB5127687 for Microsoft .NET Framework 3.5\4.8Apply update KB5127660 for Microsoft .NET Framework 3.5Apply update KB5127685 for Microsoft .NET Framework 3.5\4.8Apply update KB5127689 for Microsoft .NET Framework 3.5\4.8.1Apply update KB5127691 for Microsoft .NET Framework 4.8.1Apply update KB5127696 for Microsoft .NET Framework 3.5Apply update KB5127692 for Microsoft .NET Framework 3.5\4.8.1Apply update KB5127690 for Microsoft .NET Framework 3.5\4.8.1Apply update KB5127693 for Microsoft .NET Framework 3.5\4.8.1Apply update KB5126868 for Microsoft .NET Framework 3.5\4.6.2\4.7\4.7.1\4.7.2Apply update KB5127686 for Microsoft .NET Framework 4.8Apply update KB5127667 for Microsoft .NET Framework 4.6.2\4.7\4.7.1\4.7.2Apply update KB5127684 for Microsoft .NET Framework 4.8Apply update KB5127694 for Microsoft .NET Framework 3.5\4.8.1Apply update KB5127666 for Microsoft .NET Framework 3.5\4.7.2	Oct 13, 2026	Oct 13, 2026
Microsoft Windows	—	2026-10 Cumulative Update for Microsoft Windows Server 2016, version 1607 (KB5126868)2026-10 Cumulative Update for Microsoft Windows 11, version 25H2 (KB5127648)2026-10 Cumulative Update for Microsoft Windows 10, version 1607 (KB5126868)2026-10 Cumulative Update for Microsoft Windows 11, version 24H2 (KB5127648)2026-10 Cumulative Update for Microsoft Windows Server 2025, version 24H2 (KB5126646)2026-10 Cumulative Update for Microsoft Windows Server 2022, version 22H2 (KB5126655)2026-10 Cumulative Update for Microsoft Windows 10, version 1809 (KB5126651)2026-10 Cumulative Update for Microsoft Windows Server 2012 (KB5126835)2026-10 Cumulative Update for Microsoft Windows Server 2022, version 21H2 (KB5126655)2026-10 Cumulative Update for Microsoft Windows Server 2012 R2 (KB5126836)2026-10 Cumulative Update for Microsoft Windows Server 2019, version 1809 (KB5126651)2026-10 Cumulative Update for Microsoft Windows 10, version 21H2 (KB5126657)2026-10 Cumulative Update for Microsoft Windows 11, version 23H2 (KB5126653)2026-10 Cumulative Update for Microsoft Windows 11, version 26H1 (KB5127646)	Oct 13, 2026	Oct 13, 2026

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CVSS Details

Covered by Rapid7

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