CVE-2018-16794
Microsoft ADFS 4.0 Windows Server 2016 and previous (Active Directory Federation Services) has an...
Microsoft ADFS 4.0 Windows Server 2016 and previous (Active Directory Federation Services) has an SSRF vulnerability via the txtBoxEmail parameter in /adfs/ls.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Microsoft ADFS 4.0 Windows Server 2016 and previous (Active Directory Federation Services) has an SSRF vulnerability via the txtBoxEmail parameter in /adfs/ls.
- Record
CVE-2018-16794- CVSS 3.0
- 8.6 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
CVE List No score
Microsoft ADFS 4.0 Windows Server 2016 and previous (Active Directory Federation Services) has an SSRF vulnerability via the txtBoxEmail parameter in /adfs/ls.
- Record
CVE-2018-16794- Updated
- 2026-11-02
EUVDEUVD-2018-8594 No score
Microsoft ADFS 4.0 Windows Server 2016 and previous (Active Directory Federation Services) has an SSRF vulnerability via the txtBoxEmail parameter in /adfs/ls.
- Record
EUVD-2018-8594- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-59vp-r459-3wcr
Microsoft ADFS 4.0 Windows Server 2016 and previous (Active Directory Federation Services) has an...
Microsoft ADFS 4.0 Windows Server 2016 and previous (Active Directory Federation Services) has an SSRF vulnerability via the txtBoxEmail parameter in /adfs/ls.
- Record
GHSA-59vp-r459-3wcr- CVSS 3.0
- 8.6 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-16794 is a high vulnerability (CVSS 8.6) in Microsoft Active Directory Federation Services, published September 18, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 8.03%, the 94th percentile. No source names a fixed version.