Kerberos in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, and Windows 10 Gold and 1511 does not properly validate password changes, which allows remote attackers to bypass authentication by deploying a crafted Key Distribution Center (KDC) and then performing a sign-in action, aka "Windows Kerberos Security Feature Bypass."
Published Feb 10, 2016
6.2
MEDIUMCVSS 3.0
EPSS 13.07%
Description
Kerberos in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, and Windows 10 Gold and 1511 does not properly validate password changes, which allows remote attackers to bypass authentication by deploying a crafted Key Distribution Center (KDC) and then performing a sign-in action, aka "Windows Kerberos Security Feature Bypass."
Affected products
No data.
- n/a
- 1511
- n/a
- n/a
- n/a
- r2
- n/a
- r2
- n/a
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:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
AV:L/AC:L/Au:N/C:N/I:P/A:N
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 (23 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 13.07% (0.13068) | 96.24th | v5 (v2026.06.15) |
| Aug 24, 2026 | 13.39% (0.13392) | 96.12th | v5 (v2026.06.15) |
| Aug 23, 2026 | 14.55% (0.14548) | 96.43th | v5 (v2026.06.15) |
| Jun 15, 2026 | 13.39% (0.13392) | 95.92th | v5 (v2026.06.15) |
| Jul 8, 2025 | 4.09% (0.04086) | 88.06th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.03% (0.02030) | 82.19th | v4 (v2025.03.14) |
| Mar 29, 2025 | 13.06% (0.13058) | 90.13th | v4 (v2025.03.14) |
| Mar 28, 2025 | 2.03% (0.02030) | 82.20th | v4 (v2025.03.14) |
| Mar 27, 2025 | 13.06% (0.13058) | 93.10th | v4 (v2025.03.14) |
| Mar 20, 2025 | 2.03% (0.02030) | 82.28th | v4 (v2025.03.14) |
| Mar 19, 2025 | 13.06% (0.13058) | 93.25th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.03% (0.02030) | 82.60th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.81% (0.01812) | 88.66th | v3 (v2023.03.01) |
| Aug 12, 2024 | 1.81% (0.01812) | 88.37th | v3 (v2023.03.01) |
| Aug 11, 2024 | 6.00% (0.06001) | 93.57th | v3 (v2023.03.01) |
| May 12, 2024 | 1.81% (0.01812) | 88.10th | v3 (v2023.03.01) |
| Jan 4, 2024 | 1.29% (0.01285) | 84.30th | v3 (v2023.03.01) |
| Sep 28, 2023 | 1.53% (0.01530) | 85.55th | v3 (v2023.03.01) |
| Aug 25, 2023 | 1.08% (0.01084) | 82.51th | v3 (v2023.03.01) |
| Apr 4, 2023 | 0.94% (0.00935) | 80.70th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.01% (0.01011) | 81.40th | v3 (v2023.03.01) |
| Mar 6, 2023 | 39.68% (0.39684) | 98.13th | v2 (v2022.01.01) |
| Feb 4, 2022 | 39.68% (0.39684) | 97.38th | v2 (v2022.01.01) |
References (5)
- http://packetstormsecurity.com/files/135797/Windows-Kerberos-Security-Feature-Bypass.html x_refsource_MISC
- http://www.securityfocus.com/bid/82535 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1034985 vdb-entryx_refsource_SECTRACK
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-014 vendor-advisoryx_refsource_MS
- https://www.exploit-db.com/exploits/39442/ exploitx_refsource_EXPLOIT-DB
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/135797/Windows-Kerberos-Security-Feature-Bypass.html | x_refsource_MISC | |
| http://www.securityfocus.com/bid/82535 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1034985 | vdb-entryx_refsource_SECTRACK | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-014 | vendor-advisoryx_refsource_MS | |
| https://www.exploit-db.com/exploits/39442/ | exploitx_refsource_EXPLOIT-DB |
Change history (0)
No recorded changes yet.