HIGH
An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser, aka "Microsoft Edge Elevation of Privilege Vulnerability." This affects Microsoft Edge
Published Sep 13, 2018
7.4
HIGHCVSS 3.0
EPSS 15.42%
Description
An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser, aka "Microsoft Edge Elevation of Privilege Vulnerability." This affects Microsoft Edge. This CVE ID is unique from CVE-2018-8469.
Affected products
-
- Version Windows 10 Version 1803 for 32-bit SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1803 for x64-based SystemsStatusaffectedConstraints-
- 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 | Microsoft Edge | n/a |
|
AND
Running on/with
- 1803
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.
7.4 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Impact None
Integrity Impact High
Availability Impact None
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
15.42% 0.15417
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.15417
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 (37 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 15.42% (0.15417) | 96.69th | v5 (v2026.06.15) |
| Sep 22, 2026 | 15.42% (0.15417) | 96.63th | v5 (v2026.06.15) |
| Sep 21, 2026 | 13.18% (0.13185) | 96.25th | v5 (v2026.06.15) |
| Sep 6, 2026 | 15.42% (0.15417) | 96.56th | v5 (v2026.06.15) |
| Sep 5, 2026 | 13.18% (0.13185) | 96.17th | v5 (v2026.06.15) |
| Aug 30, 2026 | 15.42% (0.15417) | 96.54th | v5 (v2026.06.15) |
| Aug 28, 2026 | 13.18% (0.13185) | 96.15th | v5 (v2026.06.15) |
| Aug 24, 2026 | 15.42% (0.15417) | 96.52th | v5 (v2026.06.15) |
| Aug 23, 2026 | 13.18% (0.13185) | 96.14th | v5 (v2026.06.15) |
| Jun 15, 2026 | 15.42% (0.15417) | 96.36th | v5 (v2026.06.15) |
| Jun 5, 2026 | 25.37% (0.25374) | 96.32th | v4 (v2025.03.14) |
| Feb 1, 2026 | 20.34% (0.20340) | 95.40th | v4 (v2025.03.14) |
| Nov 21, 2025 | 17.64% (0.17641) | 94.83th | v4 (v2025.03.14) |
| Nov 18, 2025 | 9.98% (0.09975) | 92.25th | v4 (v2025.03.14) |
| Aug 4, 2025 | 18.46% (0.18459) | 94.97th | v4 (v2025.03.14) |
| Jun 8, 2025 | 15.02% (0.15018) | 94.19th | v4 (v2025.03.14) |
| Mar 30, 2025 | 16.55% (0.16546) | 94.34th | v4 (v2025.03.14) |
| Mar 29, 2025 | 21.40% (0.21401) | 92.99th | v4 (v2025.03.14) |
| Mar 17, 2025 | 16.55% (0.16546) | 94.39th | v4 (v2025.03.14) |
| Dec 17, 2024 | 1.76% (0.01765) | 87.67th | v3 (v2023.03.01) |
| Jun 28, 2024 | 0.35% (0.00349) | 71.97th | v3 (v2023.03.01) |
| May 2, 2024 | 0.42% (0.00420) | 73.95th | v3 (v2023.03.01) |
| Apr 16, 2024 | 0.57% (0.00575) | 77.70th | v3 (v2023.03.01) |
| Feb 3, 2024 | 0.57% (0.00575) | 75.68th | v3 (v2023.03.01) |
| Sep 6, 2023 | 0.65% (0.00647) | 76.74th | v3 (v2023.03.01) |
| Aug 22, 2023 | 0.61% (0.00614) | 76.03th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.60% (0.00598) | 75.49th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.34% (0.00343) | 66.95th | v3 (v2023.03.01) |
| Mar 6, 2023 | 9.15% (0.09150) | 94.16th | v2 (v2022.01.01) |
| Jul 26, 2022 | 9.15% (0.09150) | 93.84th | v2 (v2022.01.01) |
| Jun 19, 2022 | 8.27% (0.08274) | 93.10th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.54% (0.07542) | 92.03th | v2 (v2022.01.01) |
| Mar 9, 2022 | 7.54% (0.07542) | 81.26th | v2 (v2022.01.01) |
| Feb 4, 2022 | 6.33% (0.06329) | 77.92th | v2 (v2022.01.01) |
| Feb 3, 2022 | 36.42% (0.36423) | 98.05th | v1 |
| Sep 1, 2021 | 36.42% (0.36423) | 99.14th | v1 |
| Apr 14, 2021 | 36.42% (0.36423) | 0.00th | v1 |
Weaknesses (0)
No CWE recorded.
References (4)
- http://www.securityfocus.com/bid/105260 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041623 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8463 x_refsource_CONFIRMPatchVendor Advisory
- https://www.exploit-db.com/exploits/45502/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105260 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1041623 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8463 | x_refsource_CONFIRMPatchVendor Advisory | |
| https://www.exploit-db.com/exploits/45502/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Sep 13, 2018
Updated Aug 5, 2024
Reserved Mar 14, 2018
Link CVE-2018-8463
CISA Vulnrichment
Updated n/a