An elevation of privilege vulnerability exists when Microsoft Cortana allows arbitrary website browsing on the lockscreen, aka "Microsoft Cortana Elevation of Privilege Vulnerability." This affects Windows Server 2016, Windows 10
Published Aug 15, 2018
4.6
MEDIUMCVSS 3.0
EPSS 1.78%
Description
An elevation of privilege vulnerability exists when Microsoft Cortana allows arbitrary website browsing on the lockscreen, aka "Microsoft Cortana Elevation of Privilege Vulnerability." This affects Windows Server 2016, Windows 10.
Affected products
-
- Version Version 1607 for 32-bit SystemsStatusaffectedConstraints-
- Version Version 1607 for x64-based SystemsStatusaffectedConstraints-
- Version
-
- Version (Server Core installation)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 | Windows 10 | n/a |
| |||||||||
| Microsoft | Windows Server 2016 | 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:P/AC:L/PR:N/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 (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.78% (0.01784) | 77.51th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.78% (0.01784) | 75.35th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.74% (0.01738) | 81.24th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.13% (0.00125) | 48.80th | v3 (v2023.03.01) |
| Jul 17, 2024 | 0.13% (0.00127) | 48.02th | v3 (v2023.03.01) |
| Aug 9, 2023 | 0.12% (0.00124) | 46.00th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.11% (0.00108) | 41.98th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.42% (0.06416) | 91.03th | v2 (v2022.01.01) |
| Dec 6, 2022 | 6.42% (0.06416) | 90.75th | v2 (v2022.01.01) |
| Jun 28, 2022 | 5.85% (0.05853) | 89.80th | v2 (v2022.01.01) |
| May 22, 2022 | 5.27% (0.05274) | 88.93th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.79% (0.04794) | 88.19th | v2 (v2022.01.01) |
| Feb 9, 2022 | 4.79% (0.04794) | 74.72th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.00% (0.04004) | 67.82th | v2 (v2022.01.01) |
| Feb 3, 2022 | 9.25% (0.09255) | 86.70th | v1 |
| Jan 6, 2022 | 9.25% (0.09255) | 86.54th | v1 |
| Sep 1, 2021 | 9.25% (0.09255) | 93.94th | v1 |
| Apr 14, 2021 | 9.25% (0.09255) | 0.00th | v1 |
No CWE recorded.
References (3)
- http://www.securityfocus.com/bid/105009 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041477 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8253 x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105009 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1041477 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8253 | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.