MEDIUM
An information disclosure vulnerability exists when the scripting engine does not properly handle objects in memory in Microsoft browsers, aka "Scripting Engine Information Disclosure Vulnerability." This affects ChakraCore, Internet Explorer 11, Microsoft Edge
Published Sep 13, 2018
4.3
MEDIUMCVSS 3.0
EPSS 5.59%
Description
An information disclosure vulnerability exists when the scripting engine does not properly handle objects in memory in Microsoft browsers, aka "Scripting Engine Information Disclosure Vulnerability." This affects ChakraCore, Internet Explorer 11, Microsoft Edge.
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 7 for 32-bit Systems Service Pack 1StatusaffectedConstraints-
- Version Windows 7 for x64-based Systems Service Pack 1StatusaffectedConstraints-
- Version Windows 8.1 for 32-bit systemsStatusaffectedConstraints-
- Version Windows 8.1 for x64-based systemsStatusaffectedConstraints-
- Version Windows RT 8.1StatusaffectedConstraints-
- Version Windows Server 2008 R2 for x64-based Systems Service Pack 1StatusaffectedConstraints-
- Version Windows Server 2012 R2StatusaffectedConstraints-
- Version Windows Server 2016StatusaffectedConstraints-
- 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 | Internet Explorer 11 | n/a |
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Microsoft Edge | n/a |
|
Configuration 1
AND
- 11
Running on/with
OR
- n/a
- 1607
- 1703
- 1709
- 1803
- n/a
- n/a
- n/a
- r2
- r2
- n/a
Configuration 2
- n/a
Configuration 3
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.
4.3 MEDIUM NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact Low
Integrity Impact None
Availability Impact None
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
5.59% 0.05588
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.05588
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 (31 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.59% (0.05588) | 92.65th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.59% (0.05588) | 91.87th | v5 (v2026.06.15) |
| Mar 1, 2026 | 11.39% (0.11388) | 93.45th | v4 (v2025.03.14) |
| Feb 1, 2026 | 8.95% (0.08954) | 92.42th | v4 (v2025.03.14) |
| Jan 5, 2026 | 7.01% (0.07007) | 91.17th | v4 (v2025.03.14) |
| Sep 7, 2025 | 5.12% (0.05124) | 89.46th | v4 (v2025.03.14) |
| Mar 30, 2025 | 3.06% (0.03057) | 85.50th | v4 (v2025.03.14) |
| Mar 29, 2025 | 18.13% (0.18125) | 92.06th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.06% (0.03057) | 85.79th | v4 (v2025.03.14) |
| Dec 17, 2024 | 1.98% (0.01982) | 88.47th | v3 (v2023.03.01) |
| Dec 12, 2024 | 0.89% (0.00891) | 83.31th | v3 (v2023.03.01) |
| Jun 28, 2024 | 0.96% (0.00959) | 83.36th | v3 (v2023.03.01) |
| May 2, 2024 | 1.13% (0.01132) | 84.52th | v3 (v2023.03.01) |
| Feb 25, 2024 | 1.31% (0.01309) | 85.51th | v3 (v2023.03.01) |
| Feb 3, 2024 | 1.37% (0.01370) | 84.91th | v3 (v2023.03.01) |
| Sep 6, 2023 | 1.54% (0.01535) | 85.50th | v3 (v2023.03.01) |
| Aug 22, 2023 | 1.57% (0.01574) | 85.65th | v3 (v2023.03.01) |
| Jul 19, 2023 | 1.32% (0.01321) | 84.18th | v3 (v2023.03.01) |
| Jul 8, 2023 | 1.39% (0.01394) | 84.55th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.02% (0.01022) | 81.48th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.42% (0.06416) | 91.03th | v2 (v2022.01.01) |
| Jan 3, 2023 | 6.42% (0.06416) | 90.61th | v2 (v2022.01.01) |
| Jul 26, 2022 | 5.85% (0.05853) | 89.97th | v2 (v2022.01.01) |
| Jun 19, 2022 | 5.27% (0.05274) | 89.02th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.79% (0.04794) | 88.19th | v2 (v2022.01.01) |
| Mar 9, 2022 | 4.79% (0.04794) | 74.96th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.00% (0.04004) | 67.82th | v2 (v2022.01.01) |
| Feb 3, 2022 | 9.25% (0.09255) | 86.70th | v1 |
| Jan 6, 2022 | 9.25% (0.09255) | 86.54th | v1 |
| Sep 1, 2021 | 9.25% (0.09255) | 93.94th | v1 |
| Apr 14, 2021 | 9.25% (0.09255) | 0.00th | v1 |
Weaknesses (1)
References (8)
- http://www.securityfocus.com/bid/105252 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-w3qr-8v4r-592m Advisory
- https://github.com/chakra-core/ChakraCore/commit/3f3544801cc01e9f54cab84b20602a3b5e29c3ef
- https://nvd.nist.gov/vuln/detail/CVE-2018-8452
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8452 x_refsource_CONFIRMPatchVendor Advisory
- https://web.archive.org/web/20210124203129/http://www.securityfocus.com/bid/105252
- https://web.archive.org/web/20221128100304/http://www.securitytracker.com/id/1041623
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105252 | 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-w3qr-8v4r-592m | Advisory | |
| https://github.com/chakra-core/ChakraCore/commit/3f3544801cc01e9f54cab84b20602a3b5e29c3ef | ||
| https://nvd.nist.gov/vuln/detail/CVE-2018-8452 | ||
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8452 | x_refsource_CONFIRMPatchVendor Advisory | |
| https://web.archive.org/web/20210124203129/http://www.securityfocus.com/bid/105252 | ||
| https://web.archive.org/web/20221128100304/http://www.securitytracker.com/id/1041623 |
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-2018-8452
CISA Vulnrichment
GHSA-W3QR-8V4R-592M Updated n/a