The forms-based authentication implementation in Active Directory Federation Services (ADFS) 3.0 in Microsoft Windows Server 2012 R2 allows remote attackers to cause a denial of service (daemon outage) via crafted data, aka "Microsoft Active Directory Federation Services Denial of Service Vulnerability."
Published Feb 10, 2016
7.5
HIGHCVSS 3.0
EPSS 25.66%
Description
The forms-based authentication implementation in Active Directory Federation Services (ADFS) 3.0 in Microsoft Windows Server 2012 R2 allows remote attackers to cause a denial of service (daemon outage) via crafted data, aka "Microsoft Active Directory Federation Services Denial of Service Vulnerability."
Affected products
No data.
- r2
- r2
- r2
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 25.66% (0.25661) | 97.90th | v5 (v2026.06.15) |
| Sep 22, 2026 | 25.66% (0.25661) | 97.87th | v5 (v2026.06.15) |
| Sep 21, 2026 | 23.61% (0.23615) | 97.75th | v5 (v2026.06.15) |
| Sep 6, 2026 | 25.66% (0.25661) | 97.82th | v5 (v2026.06.15) |
| Sep 5, 2026 | 23.61% (0.23615) | 97.69th | v5 (v2026.06.15) |
| Aug 30, 2026 | 25.66% (0.25661) | 97.81th | v5 (v2026.06.15) |
| Aug 28, 2026 | 23.61% (0.23615) | 97.68th | v5 (v2026.06.15) |
| Aug 24, 2026 | 26.26% (0.26256) | 97.84th | v5 (v2026.06.15) |
| Aug 23, 2026 | 24.17% (0.24171) | 97.72th | v5 (v2026.06.15) |
| Jun 15, 2026 | 26.26% (0.26256) | 97.73th | v5 (v2026.06.15) |
| May 19, 2026 | 38.16% (0.38155) | 97.28th | v4 (v2025.03.14) |
| Jul 8, 2025 | 43.76% (0.43763) | 97.38th | v4 (v2025.03.14) |
| Mar 30, 2025 | 45.61% (0.45607) | 97.35th | v4 (v2025.03.14) |
| Mar 29, 2025 | 52.14% (0.52140) | 96.96th | v4 (v2025.03.14) |
| Mar 17, 2025 | 45.61% (0.45607) | 97.32th | v4 (v2025.03.14) |
| Mar 6, 2025 | 19.82% (0.19816) | 96.41th | v3 (v2023.03.01) |
| Sep 4, 2024 | 15.02% (0.15024) | 95.92th | v3 (v2023.03.01) |
| May 12, 2024 | 13.74% (0.13739) | 95.59th | v3 (v2023.03.01) |
| Dec 3, 2023 | 11.94% (0.11936) | 94.77th | v3 (v2023.03.01) |
| Jun 19, 2023 | 12.71% (0.12709) | 94.67th | v3 (v2023.03.01) |
| Mar 7, 2023 | 9.97% (0.09969) | 93.89th | v3 (v2023.03.01) |
| Mar 6, 2023 | 37.93% (0.37931) | 97.94th | v2 (v2022.01.01) |
| Dec 14, 2022 | 37.93% (0.37931) | 97.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 36.33% (0.36326) | 96.99th | v2 (v2022.01.01) |
References (3)
- http://www.securityfocus.com/bid/82507 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1034984 vdb-entryx_refsource_SECTRACK
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-020 vendor-advisoryx_refsource_MS
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/82507 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1034984 | vdb-entryx_refsource_SECTRACK | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-020 | vendor-advisoryx_refsource_MS |
Change history (0)
No recorded changes yet.