Hyper-V in Microsoft Windows 10 1607 and Windows Server 2016 does not properly validate vSMB packet data, which allows attackers to execute arbitrary code on a target OS, aka "Hyper-V System Data Structure Vulnerability." This vulnerability is different from that described in CVE-2017-0095
Published Mar 17, 2017
9.0
CRITICALCVSS 3.0
EPSS 1.71%
Description
Hyper-V in Microsoft Windows 10 1607 and Windows Server 2016 does not properly validate vSMB packet data, which allows attackers to execute arbitrary code on a target OS, aka "Hyper-V System Data Structure Vulnerability." This vulnerability is different from that described in CVE-2017-0095.
Affected products
-
- Version Hyper-V in Microsoft Windows 10 1607 and Windows Server 2016StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Microsoft Corporation | Hyper-V vSMB | n/a |
|
- 1607
- 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:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
AV:A/AC:L/Au:S/C:C/I:C/A:C
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
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.71% (0.01707) | 76.46th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.71% (0.01707) | 74.24th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.67% (0.00667) | 69.57th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.08% (0.00085) | 37.96th | v3 (v2023.03.01) |
| May 9, 2024 | 0.08% (0.00085) | 35.78th | v3 (v2023.03.01) |
| Mar 29, 2024 | 0.10% (0.00100) | 40.28th | v3 (v2023.03.01) |
| Feb 18, 2024 | 0.08% (0.00085) | 34.46th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00091) | 37.41th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.79% (0.01791) | 77.00th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.79% (0.01791) | 76.95th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.79% (0.01791) | 74.90th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.79% (0.01791) | 54.19th | v2 (v2022.01.01) |
| Feb 3, 2022 | 14.46% (0.14465) | 89.67th | v1 |
| Jan 6, 2022 | 14.46% (0.14465) | 89.55th | v1 |
| Sep 1, 2021 | 14.46% (0.14465) | 97.01th | v1 |
| Apr 14, 2021 | 14.46% (0.14465) | 0.00th | v1 |
No CWE recorded.
References (3)
- http://www.securityfocus.com/bid/96020 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037999 vdb-entryx_refsource_SECTRACK
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0021 x_refsource_CONFIRMMitigationPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/96020 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1037999 | vdb-entryx_refsource_SECTRACK | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0021 | x_refsource_CONFIRMMitigationPatchVendor Advisory |
Change history (0)
No recorded changes yet.