HIGH
A remote code execution vulnerability exists when Microsoft Edge improperly accesses objects in memory, aka "Microsoft Edge Memory Corruption Vulnerability." This affects Microsoft Edge
Published Oct 10, 2018
7.5
HIGHCVSS 3.0
EPSS 12.79%
Description
A remote code execution vulnerability exists when Microsoft Edge improperly accesses objects in memory, aka "Microsoft Edge Memory Corruption Vulnerability." This affects Microsoft Edge. This CVE ID is unique from CVE-2018-8473.
Affected products
-
- Version Windows 10 Version 1709 for 32-bit SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1709 for x64-based SystemsStatusaffectedConstraints-
- 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
OR
- 1709
- 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.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
7.6 HIGH NVD
AV:N/AC:H/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
12.79% 0.12788
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.12788
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 (40 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 12.79% (0.12788) | 96.17th | v5 (v2026.06.15) |
| Jun 15, 2026 | 13.13% (0.13131) | 95.85th | v5 (v2026.06.15) |
| Mar 28, 2026 | 28.25% (0.28246) | 96.47th | v4 (v2025.03.14) |
| Feb 28, 2026 | 23.85% (0.23853) | 95.90th | v4 (v2025.03.14) |
| Feb 1, 2026 | 18.91% (0.18909) | 95.17th | v4 (v2025.03.14) |
| Oct 4, 2025 | 13.00% (0.13005) | 93.81th | v4 (v2025.03.14) |
| Mar 30, 2025 | 7.49% (0.07485) | 90.94th | v4 (v2025.03.14) |
| Mar 29, 2025 | 64.46% (0.64465) | 97.83th | v4 (v2025.03.14) |
| Mar 19, 2025 | 7.49% (0.07485) | 90.69th | v4 (v2025.03.14) |
| Mar 17, 2025 | 18.35% (0.18349) | 94.72th | v4 (v2025.03.14) |
| Dec 17, 2024 | 64.17% (0.64167) | 98.03th | v3 (v2023.03.01) |
| Sep 19, 2024 | 8.35% (0.08351) | 94.52th | v3 (v2023.03.01) |
| Jun 25, 2024 | 9.72% (0.09716) | 94.84th | v3 (v2023.03.01) |
| May 29, 2024 | 9.58% (0.09577) | 94.76th | v3 (v2023.03.01) |
| Mar 23, 2024 | 9.96% (0.09960) | 94.72th | v3 (v2023.03.01) |
| Mar 2, 2024 | 7.80% (0.07804) | 94.03th | v3 (v2023.03.01) |
| Jan 19, 2024 | 8.67% (0.08673) | 93.92th | v3 (v2023.03.01) |
| Oct 4, 2023 | 7.77% (0.07768) | 93.42th | v3 (v2023.03.01) |
| Sep 1, 2023 | 7.71% (0.07710) | 93.34th | v3 (v2023.03.01) |
| Jul 31, 2023 | 9.84% (0.09842) | 94.03th | v3 (v2023.03.01) |
| Jul 8, 2023 | 7.24% (0.07240) | 93.10th | v3 (v2023.03.01) |
| Jun 27, 2023 | 3.95% (0.03948) | 90.74th | v3 (v2023.03.01) |
| May 26, 2023 | 4.32% (0.04318) | 91.05th | v3 (v2023.03.01) |
| May 6, 2023 | 4.63% (0.04632) | 91.36th | v3 (v2023.03.01) |
| Apr 23, 2023 | 3.82% (0.03820) | 90.52th | v3 (v2023.03.01) |
| Apr 8, 2023 | 4.34% (0.04341) | 91.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.45% (0.03454) | 90.01th | v3 (v2023.03.01) |
| Mar 6, 2023 | 34.60% (0.34599) | 97.77th | v2 (v2022.01.01) |
| Jan 31, 2023 | 34.60% (0.34599) | 97.75th | v2 (v2022.01.01) |
| Nov 10, 2022 | 32.42% (0.32419) | 97.57th | v2 (v2022.01.01) |
| Sep 26, 2022 | 31.10% (0.31104) | 97.47th | v2 (v2022.01.01) |
| Aug 23, 2022 | 27.14% (0.27139) | 97.04th | v2 (v2022.01.01) |
| Jul 17, 2022 | 23.10% (0.23099) | 96.62th | v2 (v2022.01.01) |
| Apr 6, 2022 | 21.36% (0.21361) | 96.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 17.27% (0.17269) | 95.90th | v2 (v2022.01.01) |
| Feb 4, 2022 | 17.27% (0.17269) | 93.17th | v2 (v2022.01.01) |
| Feb 3, 2022 | 14.80% (0.14798) | 89.93th | v1 |
| Jan 6, 2022 | 14.80% (0.14798) | 89.81th | v1 |
| Sep 1, 2021 | 14.80% (0.14798) | 97.21th | v1 |
| Apr 14, 2021 | 14.80% (0.14798) | 0.00th | v1 |
Weaknesses (1)
References (3)
- http://www.securityfocus.com/bid/105462 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041825 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8509 x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105462 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1041825 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8509 | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Oct 10, 2018
Updated Aug 5, 2024
Reserved Mar 14, 2018
Link CVE-2018-8509
CISA Vulnrichment
Updated n/a