HIGH
A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka "Chakra Scripting Engine Memory Corruption Vulnerability." This affects Microsoft Edge, ChakraCore
Published Sep 13, 2018
7.5
HIGHCVSS 3.0
EPSS 69.02%
Description
A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka "Chakra Scripting Engine Memory Corruption Vulnerability." This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2018-8367, CVE-2018-8465, CVE-2018-8466.
Affected products
-
- Version ChakraCoreStatusaffectedConstraints-
- Version
-
- Version Windows 10 Version 1607 for 32-bit SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1607 for x64-based SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1703 for 32-bit SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1703 for x64-based SystemsStatusaffectedConstraints-
- 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 Windows 10 for 32-bit SystemsStatusaffectedConstraints-
- Version Windows 10 for x64-based SystemsStatusaffectedConstraints-
- Version 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 | ChakraCore | n/a |
| ||||||||||||||||||||||||||||||||||||
| Microsoft | Microsoft Edge | n/a |
|
Configuration 1
- n/a
Configuration 2
AND
Running on/with
OR
- n/a
- 1607
- 1703
- 1709
- 1803
- 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.
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.
69.02% 0.69019
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.69019
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 (42 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 69.02% (0.69019) | 99.33th | v5 (v2026.06.15) |
| Sep 22, 2026 | 69.02% (0.69019) | 99.32th | v5 (v2026.06.15) |
| Sep 21, 2026 | 63.72% (0.63716) | 99.21th | v5 (v2026.06.15) |
| Sep 6, 2026 | 69.02% (0.69019) | 99.30th | v5 (v2026.06.15) |
| Sep 5, 2026 | 63.72% (0.63716) | 99.19th | v5 (v2026.06.15) |
| Aug 30, 2026 | 69.02% (0.69019) | 99.30th | v5 (v2026.06.15) |
| Aug 28, 2026 | 63.72% (0.63716) | 99.19th | v5 (v2026.06.15) |
| Aug 24, 2026 | 69.02% (0.69019) | 99.30th | v5 (v2026.06.15) |
| Aug 23, 2026 | 63.72% (0.63716) | 99.18th | v5 (v2026.06.15) |
| Jun 15, 2026 | 69.02% (0.69019) | 99.26th | v5 (v2026.06.15) |
| May 9, 2026 | 85.09% (0.85092) | 99.36th | v4 (v2025.03.14) |
| Nov 21, 2025 | 79.87% (0.79871) | 99.05th | v4 (v2025.03.14) |
| Nov 18, 2025 | 84.90% (0.84900) | 99.43th | v4 (v2025.03.14) |
| Jun 29, 2025 | 80.17% (0.80167) | 99.05th | v4 (v2025.03.14) |
| Mar 17, 2025 | 81.30% (0.81297) | 99.13th | v4 (v2025.03.14) |
| Mar 9, 2025 | 87.32% (0.87318) | 98.94th | v3 (v2023.03.01) |
| Dec 17, 2024 | 84.68% (0.84684) | 98.72th | v3 (v2023.03.01) |
| Dec 12, 2024 | 94.03% (0.94029) | 99.27th | v3 (v2023.03.01) |
| Sep 28, 2024 | 94.64% (0.94635) | 99.29th | v3 (v2023.03.01) |
| Jun 28, 2024 | 95.88% (0.95883) | 99.47th | v3 (v2023.03.01) |
| May 29, 2024 | 96.29% (0.96293) | 99.54th | v3 (v2023.03.01) |
| May 2, 2024 | 96.35% (0.96351) | 99.54th | v3 (v2023.03.01) |
| Apr 8, 2024 | 96.48% (0.96478) | 99.56th | v3 (v2023.03.01) |
| Feb 3, 2024 | 96.61% (0.96606) | 99.55th | v3 (v2023.03.01) |
| Oct 11, 2023 | 96.67% (0.96675) | 99.51th | v3 (v2023.03.01) |
| Sep 24, 2023 | 96.45% (0.96453) | 99.41th | v3 (v2023.03.01) |
| Sep 6, 2023 | 96.56% (0.96561) | 99.44th | v3 (v2023.03.01) |
| Aug 4, 2023 | 96.84% (0.96839) | 99.53th | v3 (v2023.03.01) |
| Jul 19, 2023 | 96.81% (0.96807) | 99.51th | v3 (v2023.03.01) |
| Jul 3, 2023 | 96.73% (0.96727) | 99.47th | v3 (v2023.03.01) |
| Jun 13, 2023 | 96.39% (0.96390) | 99.31th | v3 (v2023.03.01) |
| May 10, 2023 | 96.81% (0.96813) | 99.48th | v3 (v2023.03.01) |
| Apr 28, 2023 | 96.86% (0.96861) | 99.49th | v3 (v2023.03.01) |
| Apr 8, 2023 | 96.65% (0.96649) | 99.37th | v3 (v2023.03.01) |
| Mar 26, 2023 | 96.75% (0.96748) | 99.41th | v3 (v2023.03.01) |
| Mar 11, 2023 | 96.45% (0.96455) | 99.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.66% (0.96656) | 99.34th | v3 (v2023.03.01) |
| Mar 6, 2023 | 90.21% (0.90212) | 99.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 90.21% (0.90212) | 99.83th | v2 (v2022.01.01) |
| Feb 3, 2022 | 49.38% (0.49383) | 99.02th | v1 |
| Sep 1, 2021 | 49.38% (0.49383) | 99.63th | v1 |
| Apr 14, 2021 | 49.38% (0.49383) | 0.00th | v1 |
Weaknesses (1)
References (10)
- http://www.securityfocus.com/bid/105244 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041623 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://github.com/advisories/GHSA-xxp7-423f-hcp4 Advisory
- https://github.com/chakra-core/ChakraCore/commit/07a72e2849aab95ccdc178afbdab442cfee75368
- https://github.com/chakra-core/ChakraCore/pull/5688
- https://nvd.nist.gov/vuln/detail/CVE-2018-8467
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8467 x_refsource_CONFIRMPatchVendor Advisory
- https://web.archive.org/web/20210124202946/http://www.securityfocus.com/bid/105244
- https://web.archive.org/web/20210517133345/http://www.securitytracker.com/id/1041623
- https://www.exploit-db.com/exploits/45572/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105244 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1041623 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://github.com/advisories/GHSA-xxp7-423f-hcp4 | Advisory | |
| https://github.com/chakra-core/ChakraCore/commit/07a72e2849aab95ccdc178afbdab442cfee75368 | ||
| https://github.com/chakra-core/ChakraCore/pull/5688 | ||
| https://nvd.nist.gov/vuln/detail/CVE-2018-8467 | ||
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8467 | x_refsource_CONFIRMPatchVendor Advisory | |
| https://web.archive.org/web/20210124202946/http://www.securityfocus.com/bid/105244 | ||
| https://web.archive.org/web/20210517133345/http://www.securitytracker.com/id/1041623 | ||
| https://www.exploit-db.com/exploits/45572/ | 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-2018-8467
CISA Vulnrichment
GHSA-XXP7-423F-HCP4 Updated n/a