The Data Provider for SQL Server in Microsoft .NET Framework 4.6.2 mishandles a developer-supplied key, which allows remote attackers to bypass the Always Encrypted protection mechanism and obtain sensitive cleartext information by leveraging key guessability, aka ".NET Information Disclosure Vulnerability."
Published Dec 20, 2016
7.5
HIGHCVSS 3.0
EPSS 20.01%
Description
The Data Provider for SQL Server in Microsoft .NET Framework 4.6.2 mishandles a developer-supplied key, which allows remote attackers to bypass the Always Encrypted protection mechanism and obtain sensitive cleartext information by leveraging key guessability, aka ".NET Information Disclosure Vulnerability."
Affected products
No data.
- 4.6.2
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:H/I:N/A:N
AV:N/AC:L/Au:N/C:P/I:N/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 | 20.01% (0.20008) | 97.37th | v5 (v2026.06.15) |
| Sep 22, 2026 | 20.01% (0.20008) | 97.32th | v5 (v2026.06.15) |
| Sep 21, 2026 | 17.40% (0.17399) | 97.04th | v5 (v2026.06.15) |
| Sep 6, 2026 | 20.01% (0.20008) | 97.26th | v5 (v2026.06.15) |
| Sep 5, 2026 | 17.40% (0.17399) | 96.98th | v5 (v2026.06.15) |
| Aug 30, 2026 | 20.01% (0.20008) | 97.25th | v5 (v2026.06.15) |
| Aug 28, 2026 | 17.40% (0.17399) | 96.96th | v5 (v2026.06.15) |
| Aug 24, 2026 | 20.01% (0.20008) | 97.23th | v5 (v2026.06.15) |
| Aug 23, 2026 | 17.40% (0.17399) | 96.95th | v5 (v2026.06.15) |
| Jun 15, 2026 | 20.01% (0.20008) | 97.10th | v5 (v2026.06.15) |
| Mar 30, 2025 | 37.04% (0.37038) | 96.84th | v4 (v2025.03.14) |
| Mar 29, 2025 | 44.48% (0.44480) | 96.38th | v4 (v2025.03.14) |
| Mar 19, 2025 | 37.04% (0.37038) | 96.69th | v4 (v2025.03.14) |
| Mar 17, 2025 | 33.81% (0.33808) | 96.57th | v4 (v2025.03.14) |
| Dec 12, 2024 | 5.08% (0.05075) | 93.21th | v3 (v2023.03.01) |
| Nov 13, 2024 | 5.08% (0.05075) | 93.16th | v3 (v2023.03.01) |
| Apr 28, 2024 | 3.95% (0.03947) | 91.89th | v3 (v2023.03.01) |
| Nov 23, 2023 | 2.53% (0.02525) | 89.01th | v3 (v2023.03.01) |
| Sep 2, 2023 | 3.18% (0.03178) | 89.89th | v3 (v2023.03.01) |
| Jun 16, 2023 | 2.10% (0.02101) | 87.53th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.52% (0.02521) | 88.47th | v3 (v2023.03.01) |
| Mar 6, 2023 | 25.09% (0.25090) | 96.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 25.09% (0.25090) | 95.43th | v2 (v2022.01.01) |
References (3)
- http://www.securityfocus.com/bid/94741 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1037455 vdb-entryx_refsource_SECTRACK
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-155 vendor-advisoryx_refsource_MS
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/94741 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1037455 | vdb-entryx_refsource_SECTRACK | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-155 | vendor-advisoryx_refsource_MS |
Change history (0)
No recorded changes yet.