Microsoft Win32k in Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an information disclosure vulnerability when it fails to properly handle objects in memory, aka "Win32k Information Disclosure Vulnerability"
Published Aug 8, 2017
5.5
MEDIUMCVSS 3.0
EPSS 2.32%
Description
Microsoft Win32k in Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an information disclosure vulnerability when it fails to properly handle objects in memory, aka "Win32k Information Disclosure Vulnerability".
Affected products
-
- Version Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, 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 | Windows Kernel-Mode Drivers | n/a |
|
- n/a
- 1511
- 1607
- 1703
- n/a
- 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:L/UI:N/S:U/C:H/I:N/A:N
AV:L/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 2, 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 (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.32% (0.02322) | 82.87th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.32% (0.02322) | 81.18th | v5 (v2026.06.15) |
| Nov 21, 2025 | 2.81% (0.02807) | 85.62th | v4 (v2025.03.14) |
| Nov 18, 2025 | 8.00% (0.08000) | 91.21th | v4 (v2025.03.14) |
| Sep 2, 2025 | 2.81% (0.02807) | 85.65th | v4 (v2025.03.14) |
| Mar 30, 2025 | 8.00% (0.08000) | 91.29th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.17% (0.03170) | 78.11th | v4 (v2025.03.14) |
| Mar 17, 2025 | 8.00% (0.08000) | 91.47th | v4 (v2025.03.14) |
| Dec 17, 2024 | 1.24% (0.01239) | 85.20th | v3 (v2023.03.01) |
| Dec 12, 2024 | 0.14% (0.00143) | 51.65th | v3 (v2023.03.01) |
| Jul 11, 2024 | 0.13% (0.00134) | 49.05th | v3 (v2023.03.01) |
| May 29, 2024 | 0.16% (0.00164) | 52.94th | v3 (v2023.03.01) |
| Jun 18, 2023 | 0.20% (0.00197) | 56.29th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.21% (0.00211) | 57.22th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.42% (0.01418) | 73.14th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.42% (0.01418) | 71.15th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.42% (0.01418) | 50.43th | v2 (v2022.01.01) |
| Feb 3, 2022 | 8.76% (0.08756) | 86.41th | v1 |
| Jan 6, 2022 | 8.76% (0.08756) | 86.25th | v1 |
| Sep 1, 2021 | 8.76% (0.08756) | 93.70th | v1 |
| Apr 14, 2021 | 8.76% (0.08756) | 0.00th | v1 |
References (3)
- http://www.securityfocus.com/bid/100089 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039105 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8666 x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/100089 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1039105 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8666 | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.