Summary
Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
What type of information could be disclosed by this vulnerability?
The vulnerable component uses a weak encryption algorithm or cipher. Traffic sent over a network by the vulnerable component could be decrypted and expose information related to a user or service's active session.
Security updates
10.0.14393.9612 — https://support.microsoft.com/help/5126868
6.2.9200.26434 — https://support.microsoft.com/help/5126835
10.0.19044.7807 — https://support.microsoft.com/help/5126657
10.0.22631.7652 — https://support.microsoft.com/help/5126653
10.0.26100.9711 — https://support.microsoft.com/help/5127648
10.0.28000.3231 — https://support.microsoft.com/help/5127646
6.3.9600.23470 — https://support.microsoft.com/help/5126836
10.0.17763.9376 — https://support.microsoft.com/help/5126651
10.0.20348.5761 — https://support.microsoft.com/help/5126655
10.0.26100.33650 — https://support.microsoft.com/help/5126646
2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0 — https://support.microsoft.com/help/5127689
2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0 — https://support.microsoft.com/help/5127690
4.8.9363.0 — https://support.microsoft.com/help/5127691
2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0 — https://support.microsoft.com/help/5127692
2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0 — https://support.microsoft.com/help/5127693
2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.10008.0 — https://support.microsoft.com/help/5127694
2.0.50727.9188 AND 3.0.30729.9171 — https://support.microsoft.com/help/5127696
2.0.50727.8987 AND 3.0.30729.8982 — https://support.microsoft.com/help/5127660
2.0.50727.8987 AND 3.0.30729.8982 — https://support.microsoft.com/help/5127664
2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0 — https://support.microsoft.com/help/5127666
2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0 — https://support.microsoft.com/help/5127685
2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.4811.0 — https://support.microsoft.com/help/5127683
2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.4811.0 — https://support.microsoft.com/help/5127687
4.7.4150.0 — https://support.microsoft.com/help/5127667
4.7.4150.0 — https://support.microsoft.com/help/5127668
Vulnerabilities 1
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High 7.5
Active Directory Federation Services (AD FS) Information Disclosure Vulnerability
Observable discrepancy in Active Directory Federation Services (AD FS) allows an unauthorized attacker to disclose information over a network.
Revision history
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#1
Information published.
References
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CVE-2026-97788 Active Directory Federation Services (AD FS) Information Disclosure Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97788
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss