CRITICAL
A remote code execution vulnerability exists in the way that the Chakra JavaScript engine renders when handling objects in memory, aka "Scripting Engine Memory Corruption Vulnerability"
Published Aug 11, 2017
9.8
CRITICALCVSS 3.0
EPSS 20.07%
Description
A remote code execution vulnerability exists in the way that the Chakra JavaScript engine renders when handling objects in memory, aka "Scripting Engine Memory Corruption Vulnerability".
Affected products
-
- Version ChakraCore V1.7.1StatusaffectedConstraints-
- 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 | ChakraCore | n/a |
|
- ≤ 1.7.0
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.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
10.0 HIGH NVD
AV:N/AC:L/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Low
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.
20.07% 0.20066
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.20066
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 (39 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 20.07% (0.20066) | 97.38th | v5 (v2026.06.15) |
| Sep 22, 2026 | 20.07% (0.20066) | 97.33th | v5 (v2026.06.15) |
| Sep 21, 2026 | 18.75% (0.18754) | 97.21th | v5 (v2026.06.15) |
| Sep 6, 2026 | 20.07% (0.20066) | 97.27th | v5 (v2026.06.15) |
| Sep 5, 2026 | 18.75% (0.18754) | 97.15th | v5 (v2026.06.15) |
| Aug 30, 2026 | 20.07% (0.20066) | 97.25th | v5 (v2026.06.15) |
| Aug 28, 2026 | 18.75% (0.18754) | 97.14th | v5 (v2026.06.15) |
| Aug 24, 2026 | 20.07% (0.20066) | 97.24th | v5 (v2026.06.15) |
| Aug 23, 2026 | 18.75% (0.18754) | 97.13th | v5 (v2026.06.15) |
| Jun 15, 2026 | 20.07% (0.20066) | 97.10th | v5 (v2026.06.15) |
| May 15, 2026 | 33.57% (0.33566) | 96.99th | v4 (v2025.03.14) |
| Nov 21, 2025 | 36.01% (0.36011) | 96.91th | v4 (v2025.03.14) |
| Nov 18, 2025 | 33.57% (0.33566) | 96.70th | v4 (v2025.03.14) |
| May 3, 2025 | 36.01% (0.36011) | 96.87th | v4 (v2025.03.14) |
| Mar 30, 2025 | 29.89% (0.29889) | 96.24th | v4 (v2025.03.14) |
| Mar 29, 2025 | 48.24% (0.48243) | 96.69th | v4 (v2025.03.14) |
| Mar 17, 2025 | 29.89% (0.29889) | 96.25th | v4 (v2025.03.14) |
| Dec 17, 2024 | 1.78% (0.01783) | 87.74th | v3 (v2023.03.01) |
| Jul 13, 2024 | 19.29% (0.19293) | 96.32th | v3 (v2023.03.01) |
| May 31, 2024 | 22.48% (0.22482) | 96.50th | v3 (v2023.03.01) |
| Apr 22, 2024 | 21.17% (0.21167) | 96.35th | v3 (v2023.03.01) |
| Mar 13, 2024 | 22.23% (0.22226) | 96.35th | v3 (v2023.03.01) |
| Feb 4, 2024 | 16.26% (0.16264) | 95.52th | v3 (v2023.03.01) |
| Nov 14, 2023 | 18.29% (0.18291) | 95.67th | v3 (v2023.03.01) |
| Aug 26, 2023 | 16.24% (0.16239) | 95.30th | v3 (v2023.03.01) |
| Jul 21, 2023 | 11.85% (0.11848) | 94.56th | v3 (v2023.03.01) |
| Jun 20, 2023 | 9.60% (0.09603) | 93.91th | v3 (v2023.03.01) |
| May 26, 2023 | 6.37% (0.06371) | 92.55th | v3 (v2023.03.01) |
| Apr 26, 2023 | 4.85% (0.04851) | 91.51th | v3 (v2023.03.01) |
| Mar 30, 2023 | 4.78% (0.04777) | 91.43th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.23% (0.04232) | 90.92th | v3 (v2023.03.01) |
| Mar 6, 2023 | 18.19% (0.18192) | 96.30th | v2 (v2022.01.01) |
| May 7, 2022 | 18.19% (0.18192) | 95.99th | v2 (v2022.01.01) |
| Apr 1, 2022 | 14.54% (0.14545) | 95.49th | v2 (v2022.01.01) |
| Feb 4, 2022 | 14.54% (0.14545) | 91.14th | v2 (v2022.01.01) |
| Feb 3, 2022 | 11.50% (0.11504) | 88.31th | v1 |
| Jan 6, 2022 | 11.50% (0.11504) | 88.17th | v1 |
| Sep 1, 2021 | 11.50% (0.11504) | 95.62th | v1 |
| Apr 14, 2021 | 11.50% (0.11504) | 0.00th | v1 |
Weaknesses (1)
References (7)
- http://www.securityfocus.com/bid/100036 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://github.com/advisories/GHSA-8v2h-4jpm-3wfm Advisory
- https://github.com/chakra-core/ChakraCore/commit/2500e1cdc12cb35af73d5c8c9b85656aba6bab4d
- https://github.com/chakra-core/ChakraCore/pull/3509
- https://nvd.nist.gov/vuln/detail/CVE-2017-8658
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8658 x_refsource_CONFIRMPatchVendor Advisory
- https://web.archive.org/web/20210124090857/http://www.securityfocus.com/bid/100036
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/100036 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://github.com/advisories/GHSA-8v2h-4jpm-3wfm | Advisory | |
| https://github.com/chakra-core/ChakraCore/commit/2500e1cdc12cb35af73d5c8c9b85656aba6bab4d | ||
| https://github.com/chakra-core/ChakraCore/pull/3509 | ||
| https://nvd.nist.gov/vuln/detail/CVE-2017-8658 | ||
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8658 | x_refsource_CONFIRMPatchVendor Advisory | |
| https://web.archive.org/web/20210124090857/http://www.securityfocus.com/bid/100036 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Aug 11, 2017
Updated Sep 17, 2024
Reserved May 3, 2017
Link CVE-2017-8658
CISA Vulnrichment
GHSA-8V2H-4JPM-3WFM Updated n/a