CVE-2026-97788 Active Directory Federation Services - Information Disclosure

Active Directory Federation Services contains an information disclosure vulnerability caused by an observable discrepancy, letting unauthorized attackers disclose information over a network, exploit requires network access.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.69% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Information Disclosure
Impact
Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
13 October 2026
Updated
15 October 2026
Weakness
CWE-203

Vendor fix

Update to the latest version of Active Directory Federation Services.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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