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 May 9, 2018
7.5
HIGHCVSS 3.0
EPSS 50.86%
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-2018-0943, CVE-2018-8130, CVE-2018-8145, CVE-2018-8177.
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 2
- ≤ 1.8.3
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.
50.86% 0.50858
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.50858
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 (43 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 50.86% (0.50858) | 98.89th | v5 (v2026.06.15) |
| Sep 22, 2026 | 50.86% (0.50858) | 98.88th | v5 (v2026.06.15) |
| Sep 21, 2026 | 45.98% (0.45976) | 98.79th | v5 (v2026.06.15) |
| Sep 20, 2026 | 50.86% (0.50858) | 98.87th | v5 (v2026.06.15) |
| Sep 6, 2026 | 50.50% (0.50503) | 98.84th | v5 (v2026.06.15) |
| Sep 5, 2026 | 45.63% (0.45626) | 98.75th | v5 (v2026.06.15) |
| Aug 30, 2026 | 50.50% (0.50503) | 98.83th | v5 (v2026.06.15) |
| Aug 28, 2026 | 45.63% (0.45626) | 98.74th | v5 (v2026.06.15) |
| Aug 24, 2026 | 50.50% (0.50503) | 98.82th | v5 (v2026.06.15) |
| Aug 23, 2026 | 45.63% (0.45626) | 98.74th | v5 (v2026.06.15) |
| Jun 15, 2026 | 50.94% (0.50940) | 98.78th | v5 (v2026.06.15) |
| Jan 29, 2026 | 62.26% (0.62258) | 98.30th | v4 (v2025.03.14) |
| Jan 5, 2026 | 61.15% (0.61153) | 98.23th | v4 (v2025.03.14) |
| Nov 21, 2025 | 69.72% (0.69722) | 98.59th | v4 (v2025.03.14) |
| Nov 18, 2025 | 76.61% (0.76611) | 99.02th | v4 (v2025.03.14) |
| Sep 27, 2025 | 69.72% (0.69722) | 98.63th | v4 (v2025.03.14) |
| Apr 25, 2025 | 60.43% (0.60426) | 98.13th | v4 (v2025.03.14) |
| Mar 30, 2025 | 62.46% (0.62464) | 98.22th | v4 (v2025.03.14) |
| Mar 29, 2025 | 78.28% (0.78276) | 98.74th | v4 (v2025.03.14) |
| Mar 25, 2025 | 62.46% (0.62464) | 98.23th | v4 (v2025.03.14) |
| Mar 17, 2025 | 67.80% (0.67797) | 98.46th | v4 (v2025.03.14) |
| Feb 27, 2025 | 78.84% (0.78840) | 98.55th | v3 (v2023.03.01) |
| Dec 17, 2024 | 88.93% (0.88927) | 98.97th | v3 (v2023.03.01) |
| Dec 12, 2024 | 94.91% (0.94914) | 99.38th | v3 (v2023.03.01) |
| Jul 4, 2024 | 95.30% (0.95300) | 99.37th | v3 (v2023.03.01) |
| May 24, 2024 | 95.72% (0.95719) | 99.42th | v3 (v2023.03.01) |
| Apr 18, 2024 | 96.24% (0.96241) | 99.50th | v3 (v2023.03.01) |
| Mar 18, 2024 | 96.00% (0.96005) | 99.44th | v3 (v2023.03.01) |
| Jan 23, 2024 | 96.32% (0.96318) | 99.44th | v3 (v2023.03.01) |
| Sep 30, 2023 | 96.55% (0.96552) | 99.46th | v3 (v2023.03.01) |
| Jul 8, 2023 | 96.59% (0.96590) | 99.41th | v3 (v2023.03.01) |
| Jun 7, 2023 | 96.47% (0.96470) | 99.33th | v3 (v2023.03.01) |
| May 21, 2023 | 96.46% (0.96462) | 99.32th | v3 (v2023.03.01) |
| May 8, 2023 | 96.57% (0.96570) | 99.36th | v3 (v2023.03.01) |
| May 3, 2023 | 96.69% (0.96685) | 99.41th | v3 (v2023.03.01) |
| Mar 31, 2023 | 96.94% (0.96941) | 99.51th | v3 (v2023.03.01) |
| Mar 15, 2023 | 96.95% (0.96949) | 99.50th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.88% (0.96882) | 99.46th | 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 (9)
- http://www.securityfocus.com/bid/103982 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040844 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://github.com/advisories/GHSA-8rqh-8726-83h7 Advisory
- https://github.com/chakra-core/ChakraCore/commit/1b56f9fedf078ce100d65e9e7661bf1cfdc63502
- https://nvd.nist.gov/vuln/detail/CVE-2018-8133
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8133 x_refsource_CONFIRMPatchVendor Advisory
- https://web.archive.org/web/20210124164259/http://www.securityfocus.com/bid/103982
- https://web.archive.org/web/20211204185256/http://www.securitytracker.com/id/1040844
- https://www.exploit-db.com/exploits/44817/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/103982 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1040844 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://github.com/advisories/GHSA-8rqh-8726-83h7 | Advisory | |
| https://github.com/chakra-core/ChakraCore/commit/1b56f9fedf078ce100d65e9e7661bf1cfdc63502 | ||
| https://nvd.nist.gov/vuln/detail/CVE-2018-8133 | ||
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8133 | x_refsource_CONFIRMPatchVendor Advisory | |
| https://web.archive.org/web/20210124164259/http://www.securityfocus.com/bid/103982 | ||
| https://web.archive.org/web/20211204185256/http://www.securitytracker.com/id/1040844 | ||
| https://www.exploit-db.com/exploits/44817/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published May 9, 2018
Updated Aug 5, 2024
Reserved Mar 14, 2018
Link CVE-2018-8133
CISA Vulnrichment
GHSA-8RQH-8726-83H7 Updated n/a