HIGH
Internet Explorer in Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows an attacker to bypass Device Guard User Mode Code Integrity (UMCI) policies due to Internet Explorer failing to validate UMCI policies, aka "Internet Explorer Security Feature Bypass Vulnerability"
Published Aug 8, 2017
8.8
HIGHCVSS 3.0
EPSS 15.26%
Description
Internet Explorer in Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows an attacker to bypass Device Guard User Mode Code Integrity (UMCI) policies due to Internet Explorer failing to validate UMCI policies, aka "Internet Explorer Security Feature Bypass Vulnerability".
Affected products
-
- Version Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016.StatusaffectedConstraints-
- 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 | Internet Explorer | n/a |
|
AND
- 11
Running on/with
OR
- n/a
- 1511
- 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.
8.8 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
6.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
15.26% 0.15257
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.15257
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 (32 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 15.26% (0.15257) | 96.67th | v5 (v2026.06.15) |
| Sep 22, 2026 | 15.26% (0.15257) | 96.61th | v5 (v2026.06.15) |
| Sep 21, 2026 | 13.49% (0.13490) | 96.33th | v5 (v2026.06.15) |
| Sep 6, 2026 | 15.26% (0.15257) | 96.54th | v5 (v2026.06.15) |
| Sep 5, 2026 | 13.49% (0.13490) | 96.25th | v5 (v2026.06.15) |
| Aug 30, 2026 | 15.26% (0.15257) | 96.52th | v5 (v2026.06.15) |
| Aug 28, 2026 | 13.49% (0.13490) | 96.22th | v5 (v2026.06.15) |
| Aug 24, 2026 | 15.26% (0.15257) | 96.50th | v5 (v2026.06.15) |
| Aug 23, 2026 | 13.49% (0.13490) | 96.21th | v5 (v2026.06.15) |
| Jun 15, 2026 | 15.26% (0.15257) | 96.33th | v5 (v2026.06.15) |
| Nov 29, 2025 | 69.82% (0.69817) | 98.59th | v4 (v2025.03.14) |
| Nov 21, 2025 | 47.57% (0.47569) | 97.56th | v4 (v2025.03.14) |
| Nov 18, 2025 | 23.88% (0.23880) | 95.66th | v4 (v2025.03.14) |
| Oct 1, 2025 | 47.57% (0.47569) | 97.64th | v4 (v2025.03.14) |
| Mar 30, 2025 | 70.32% (0.70318) | 98.58th | v4 (v2025.03.14) |
| Mar 29, 2025 | 73.97% (0.73965) | 98.46th | v4 (v2025.03.14) |
| Mar 28, 2025 | 70.32% (0.70318) | 98.57th | v4 (v2025.03.14) |
| Mar 27, 2025 | 73.97% (0.73965) | 98.70th | v4 (v2025.03.14) |
| Mar 20, 2025 | 63.84% (0.63845) | 98.31th | v4 (v2025.03.14) |
| Mar 19, 2025 | 73.52% (0.73525) | 98.71th | v4 (v2025.03.14) |
| Mar 17, 2025 | 63.84% (0.63845) | 98.26th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.97% (0.00970) | 84.03th | v3 (v2023.03.01) |
| Apr 20, 2024 | 0.74% (0.00741) | 80.65th | v3 (v2023.03.01) |
| Oct 26, 2023 | 0.99% (0.00994) | 81.90th | v3 (v2023.03.01) |
| May 24, 2023 | 1.08% (0.01084) | 82.20th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.19% (0.01185) | 82.88th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.94% (0.12937) | 95.63th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.94% (0.12937) | 95.25th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.94% (0.12937) | 90.17th | v2 (v2022.01.01) |
| Feb 3, 2022 | 39.31% (0.39311) | 98.18th | v1 |
| Sep 1, 2021 | 39.31% (0.39311) | 99.22th | v1 |
| Apr 14, 2021 | 39.31% (0.39311) | 0.00th | v1 |
Weaknesses (1)
References (5)
- http://www.securityfocus.com/bid/100063 vdb-entryThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039112 vdb-entryThird Party AdvisoryVDB Entry
- https://oddvar.moe/2017/08/13/bypassing-device-guard-umci-using-chm-cve-2017-8625/
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8625 PatchVendor Advisory
- https://posts.specterops.io/umci-vs-internet-explorer-exploring-cve-2017-8625-3946536c6442 ExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/100063 | vdb-entryThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1039112 | vdb-entryThird Party AdvisoryVDB Entry | |
| https://oddvar.moe/2017/08/13/bypassing-device-guard-umci-using-chm-cve-2017-8625/ | ||
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8625 | PatchVendor Advisory | |
| https://posts.specterops.io/umci-vs-internet-explorer-exploring-cve-2017-8625-3946536c6442 | ExploitThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Aug 8, 2017
Updated Sep 16, 2024
Reserved May 3, 2017
Link CVE-2017-8625
CISA Vulnrichment
Updated n/a